HEALTH PRIORITIES IN AUSTRALIA
Critical Question 1 - How are priority issues for Australia’s health identified?
Measuring Health Status
Role of Epidemiology The collection and analysis of the data used to make this assessment is known as Epidemiology. Measures of Epidemiology Morbidity: The rates, distribution and trends of illness, disease and injury in a given
population. Mortality: The number of deaths for a given cause in a given population, over a set time-
period. Infant Mortality: The number of deaths in the first year of life per 1000 live births. Life Expectancy: An estimate of the number of years a person can expect to live at any
particular age.
Identifying Priority Health Issues
Social Justice PrinciplesEquityDiversitySupportive environmentsPriority Population GroupsPrevalence of conditionPotential for prevention and early interventionCosts to the individual and community
Direct individual costs include the financial burden that is associated with illness and disability such as ongoing medical costs (hospital charges, medical professional fees, medications, travel etc.) and loss of employmentIn-direct individual costs include persistent pain and loss of quality of life, possible exclusion from social activities, increased pressure on families to offer support and the emotional toll of chronic illnessDirect community costs include the vast funding of the Australian health care system (which is projected to markedly increase with an ageing and growing population). Most of this supports primary health care and pharmaceuticals, and the nature of chronic illness tends to require high degrees of medical intervention to manage themIn-direct community costs include the premature loss of contributing and valuable members of society and the cost for employers in absenteeism, decreased productivity and re-training
Critical Question 2 - What are the priority issues for improving Australia’s health?
These determinants can be categorised as either: Sociocultural determinants (E.g. family, peers, media, religion and culture) Socioeconomic determinants (E.g. education, employment and income) Environmental determinants (E.g. geographical location and access to health services
and technology)
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Groups experiencing health inequities
Aboriginal and Torres Strait Islander peoplesSocioeconomically disadvantaged (Low SES)People living in rural and remote communitiesOverseas-born peopleElderlyPeople with disabilities
High levels of preventable chronic disease, injury and mental health problems
Cardiovascular Disease
Nature Cardiovascular Disease (CVD) refers to all diseases of the heart and blood vessels, caused by a build up of fatty tissue inside the blood vessels (i.e. atherosclerosis) and the hardening of the blood vessels (i.e. arteriosclerosis) 3 types of CVD include Coronary heart Disease, Cerebrovascular Disease, Peripheral Vascular Disease
Extent The leading cause of death and sickness Both mortality and morbidity is decreasing for males and females
Risk Factors and Protective FactorsNon-Modifiable Risk
FactorsModifiable Risk Factors Protective Factors
- Age: rates increase sharply over 65 years of age- Being male- Family history
- Smoking and alcohol abuse- Diet high in fat, salt and sugar- Low physical activity levels- High blood pressure and cholesterol levels- Being overweight
- Nutritious and balanced diet- Daily physical activity- Responsible use of alcohol - No smoking- Maintain healthy weight- Control stress levels
DeterminantsSociocultural Determinants
Socioeconomic Determinants
Environmental Determinants
- Family history- Indigenous: higher rates of all risk factors- Males: less likely to engage in preventative health measures
- Low levels of disposable income- Unemployed- Low level of education
- People who live in rural and remote communities
Groups at Risk Indigenous Australians Socioeconomically disadvantaged communities People who live in rural and remote regions of Australia Elderly
Cancer
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Nature A group of diseases leading to the uncontrolled growth of abnormal body cells. Skin, Breast and Lung cancers are of most concern to health authorities
Extent Mortality and morbidity rates are both increasing. The most commonly occurring cancer is non-melanoma skin cancer (which is mostly non-life threatening). The most common life threatening cancers include: Men: prostate, colorectal, lung and melanoma and Women: breast, colorectal, lung and melanoma
Risk Factors and Protective FactorsNon-Modifiable Risk
FactorsModifiable Risk Factors Protective Factors
- Gender: specific cancers- Age: leads to increased risk- Family history- Genetic makeup e.g. being fair skinned
- Exposure to carcinogens (cancer causing agents), such as smoke, asbestos, UV radiation from the sun- Lifestyle behaviours, such as smoking, alcohol misuse and poor dietary habits
- Avoid carcinogen e.g. Slip, Slop, Slap, Wrap- Personal screening habits e.g. breast and testicular- Public screening e.g. breast mammograms and prostate blood test- Seeking early medical intervention
DeterminantsSociocultural Determinants
Socioeconomic Determinants
Environmental Determinants
- Smoking amongst young females- Tanning habits, such as excessive sun exposure
- Unemployed: higher rates of smoking - Low levels of education e.g. awareness of warning signs and personal testing
- People who work outdoors- People who live in rural and remote communities- Exposure to chemicals in the workplace
Groups at Risk Indigenous Australians Socioeconomically disadvantaged communities People who live in rural and remote regions of Australia Males and Females Other minor groups include smokers, outdoor workers, young adults and people with fair skin
Diabetes
Nature A disease that affects the body’s ability to take glucose from the bloodstream to use it for energy Caused by a malfunctioning of the pancreas leading to insufficient insulin levels, the hormone responsible for regulation of blood glucose levels (BGL) 3 types:1. Insulin Dependent Diabetes (IDDM) – Known as Type 1 – usually presents early in life
and patients require insulin injections and must monitor diet and physical activity to maintain a safe BGL
2. Non-Insulin Dependent Diabetes (NIDDM) – Known as Type 2 – usually presents later in life, as a result of long-term poor health behaviours related to diet and exercise. Requires medication and lifestyle modifications
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3. Gestational Diabetes (GD) – occurs during pregnancy The long-term effect s of each type include vision problems, kidney disease, circulatory
issues in arms and legs and a strong link to CVD (similar risk factors)
Extent World’s fastest growing disease – similar issues are evident in Australia Prevalence increases with age, especially NIDDM Type 2 The age of onset is decreasing which is a growing concern, especially for young people.
Due to unhealthy lifestyles 3.5% of all Australians have Diabetes
Risk Factors and Protective FactorsModifiable Risk Factors Non-Modifiable Risk
FactorsProtective Factors
- High blood pressure- Having CVD or its risk factors- Having diabetes in pregnancy- Being overweight
- Over 55 years of age- Family History- Over 45 years with CVD risk factors- Over 35 and being of Aboriginal, Chinese, India or Pacific Islander descent
- Maintaining a healthy weight- A balanced and nutritious diet, full of Low GI foods. Eating 5-6 smaller meals per day- Healthy use of alcohol- Daily physical activity
DeterminantsSociocultural Determinants
Socioeconomic Determinants
Environmental Determinants
- Indigenous – 10-30% may have diabetes – much is undiagnosed- Being Chinese, Indian or Pacific Islander- Social acceptance of binge drinking- Ageing population- Being ‘time poor’ – leads to increased reliance on ‘convenient’ food
- Low SES – more likely to have poor diet, drink excessive alcohol, be physically inactive and be overweight- Low education – less awareness of prevention strategies and health lifestyle behaviours
- Technology has lead to a more passive society e.g. popularity of video games- People from rural and remote and Indigenous – have difficulty in accessing medical services- Junk food advertising to children
Groups at Risk Elderly Indigenous Australians Socioeconomically disadvantaged People from rural and remote regions
Mental Health Problems
Nature Any illness that negatively affects a person’s emotional stability, perceptions, behaviour and social well-being, such as depression, anxiety, addictions, obsessive compulsive disorder, bipolar disorder, eating disorders and dementia
Extent 20% of people suffer form a mental health problem at some stage of life Prevalence is increasing and much is unreported
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18-24 years olds have the highest rates, especially substance abuse and depression
Risk Factors and Protective FactorsModifiable Risk Factors Non-Modifiable Risk
FactorsProtective Factors
- Drug use- Chronic disease e.g. arthritis- Perceived self-worth and sense of identity- Coping skills Stressful situations e.g. family breakdown and occupational stress- Grief
- Age – increased risk of dementia- Males suffer mostly depression and addictions (substance abuse)- Females suffer mostly depression and anxiety- Uncontrolled life changes e.g. death or abuse- Family history
- Social acceptance as legitimate health concerns- Awareness of social support structures e.g. GP, online help, telephone counseling- Strong sense of connectedness with family, friends, work mates and neighbours- Personal resiliency skills
DeterminantsSociocultural Determinants
Socioeconomic Determinants
Environmental Determinants
- Family breakdown – lack of support- Difficult life circumstances e.g. abuse- ABTSI – Increased alcohol and drug abuse, and difficult life circumstances - Elderly people – increased social isolation and grief
- Unemployed – higher rates of depression - Low education – risk factors - People in financial distress e.g. farmers during a drought
- Living in remote regions – lack of support and medical services- Stigma amongst males as well as common stoical attitudes- Lack of emotional support e.g. family breakdown
Groups at Risk Elderly Indigenous Australians Socioeconomically disadvantaged People from rural and remote regions People born overseas, especially refugees People with a disability
Respiratory Diseases
Nature Common diseases that affect the respiratory system include: Asthma, Chronic Obstructive Pulmonary Diseases, Hay fever
Extent 6 million Australians have a long-term respiratory disease Morbidity rates are now decreasing, a result of reduced smoking Mortality is also decreasing, due to effective education programs Asthma is the leading burden of disease amongst children
Risk Factors and Protective FactorsModifiable Risk Factors Non-Modifiable Risk
FactorsProtective Factors
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- Use of preventative medication for asthma- Exposure to environmental hazards, e.g. chemicals- Stress- Passive smoking in homes and cars
- Environmental changes e.g. pollen in spring and cold and dry weather patterns
- Awareness of personal asthma triggers e.g. exercise- Education about personal prevention strategies and plans for asthma attacks- No smoking
DeterminantsSociocultural Determinants
Socioeconomic Determinants
Environmental Determinants
- Indigenous Australians – higher rates of smoking- Family history
- Increased smoking amongst low SES- Low income – less money for preventative medication- Low SES – more likely to be exposed to occupational hazards
- Higher rates of pollution in cities- People who live in remote region are further from emergency services- Children’s exposure to passive smoke
Groups at Risk Indigenous Australians Socioeconomically disadvantaged People from rural and remote regions Smokers
Injury
Nature There are many types of injuries, which affect all stages of life. They often result in ling-term harm of one’s physical, emotional and social well being. Examples include:1. Road injuries and Motor Vehicle Accidents (MVA’s)2. Suicide and self-harm3. Injuries around the home e.g. poisonings, falls, drowning, cuts, fires4. Workplace accidents5. Acts of violence6. Sports and recreational injuries
Extent Leading cause of death in 1-44 years age group (particularly MVA’s and suicide amongst
males) Greatest cause of potential life lost under 65 years Major cause of hospitalisation Deaths from injuries are decreasing in frequency, especially MVA’s The elderly are prone to injuries such as falls, which has a significant impact on their
quality of life
Risk Factors and Protective FactorsModifiable Risk Factors Non-Modifiable Risk
FactorsProtective Factors
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- Driving behaviour and attitudes- Inadequate supervision of childrenOccupational hazardsUnsafe home environment e.g. chemicals, pool fencing and trip hazards- Safe roads and effective road laws- Safe use of alcohol
- Age – elderly are more at risk of falls - Gender – higher rates of risk taking behaviour and suicide
- Minimising driving distractions e.g. Mobile phones and GPS- Effective driver education- Positive attitude towards road and OHS rules and regulations- Home modifications for the elderly- Strong social support to prevent suicide
DeterminantsSociocultural Determinants
Socioeconomic Determinants
Environmental Determinants
- Indigenous people suffer more injuries- Attitudes towards driving and risk taking amongst males- Family breakdown, leading to social isolation of young people- Societal pressure for tougher road laws e.g. P plate regulations- Societal awareness of hazardous environments
- Low SES – higher rates of hospitalisation from injuries- Low education – less awareness of dangers around the home- Low income – makes it harder to purchase safety equipment- MVA’s are highest amongst low SES populations
- Workplace injuries are most common in agricultural settings- Suicide is highest amongst males from rural and remote regions- Unsafe home environment of elderly people and children can lead to increased risk of injury
Groups at Risk Elderly (Falls) Indigenous Australians (MVA’s and self-harm) People from rural and remote regions (occupational injuries) Children (poisoning and drowning) Young Adults (MVA’s, sport and recreational injuries and self-harm) Males (Suicide and MVA’s)
A growing and ageing population
A number of significant trends have been observed in Australia’s population in the last 50 years: A decrease in the birth rate over this time A decline in mortality rates, along with an increase in life expectancy Sustained rates of immigration from overseasThe percentage of people aged over 70 years is set to double to 20% over the next forty years. Also, the total population is expected to double to 40 million people in the same time.
Healthy AgeingEnabling and empowering people to live a healthy, productive and contributing life for as long as possible, is a key strategy of the government. Increased Population Living with Chronic Disease and DisabilityA larger elderly population inevitably leads to more people living with chronic disease and disability.
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Demand for Health Services and Workforce ShortagesTo meet the demands placed upon our government and society by a growing and ageing population, the full range of health services will need to expand dramatically. This increase needs to include; more specialist health professionals and GP’s, more primary and emergency health services such as ambulances and public hospitals and more housing and accommodation for people who require assistance with basic living needs.
Availability of Carers and VolunteersCarers provide informal care of people living with chronic diseases and disability. The contribution of volunteers is also recognised as essential in meeting the demands of our ageing population. They assist with activities such as transport, shopping, meals on wheels and social activities.
Critical Question 3 - What role do health care facilities and services play in achieving better health for all Australians?
Health care in Australia
Range and types of health facilities and servicesCategory Examples Public health services Cancer screening
Immunisation programs Primary and community health care GP’s
Ambulance services Royal Flying Doctor Service Dental
Hospitals Public Private Mental
Specialised health services Specialised medical practitioners Reproductive health Mental health Palliative care
Responsibility for health facilities and servicesHealth care provider Facilities and/or services providedCommonwealth Government Formation of national health policies
Collection of taxes to finance the health system Provision of funds to state/territory
governments Special concern for ATSI Pharmaceutical funding
State/Territory Government Hospital services Mental health Home and community care Family health services Dental health Women’s health Health promotion Regulating health industry providers
Local Government Vary from state to state Environmental control
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Antenatal clinics Meals on Wheels
Private organisations Private hospitals Dentists Alternative health services (physiotherapy,
chiropractor, etc)Community groups Local needs basis
Cancer Council, Dads in Distress, Diabetes Australia, etc
Equity of access to health facilities and servicesAll Australians should have equal access to health care facilities and services. This is achieved in Australia through Medicare.
Health care expenditure versus expenditure on early intervention and preventionHealth-care expenditure incorporates private health insurance, households, individuals and all levels of government. In 2007-08 Health-care expenditure was $103.6 billion (Australia’s Health 2010, AIHW). Less than 2% of this figure was spent on preventable services or health promotion.
Reasons for increasing funding for preventative health strategies include: Cost effectiveness Improvement to quality of life Containment of increasing costs Use of existing resources Reinforcement of individual responsibility Maintenance of social equity Reduced mortality and morbidity
Impact of emerging new treatments and technologies on health care, e.g. cost and access, benefits of early detectionNew treatments and technologies have the potential to significantly improve the health status of Australians. Examples of developments in emerging treatments and technologies include: development of new machinery, image technology in keyhole surgery, improvement in materials, drug advancements, prosthetic limb development, artificial organs and transplant technology.
Health insurance: Medicare and privateHealth care in Australia is provided by the public sector (Medicare) or through private health insurance. Medicare is the health-care system for all Australians. Its aim is to provide equity in terms of cost and access for health care services. Funding for Medicare comes from income tax (1.5% of taxable income) and the Medicare levy surcharge (1% for high income earners). Every Australian is covered for 85% of the scheduled fee. Bulk Billing allows patients to pay nothing and the doctor receives the scheduled fee from Medicare.
People have the option of increasing the health insurance they have by taking out private health insurance. The extra insurance covers private hospital and ancillary or extras (dental, physiotherapy, naturopathy, etc).
Reasons for choosing private health insurance include:- Shorter waiting times- Hospital choice
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- Own doctor of choice- Ancillary benefits such as physiotherapy- Peace of mind- Private rooms in hospital- Health cover while overseas- Avoiding increase tax
To combat falling private health insurance numbers the Commonwealth Government has implemented several schemes.- 30% tax rebate for people with private health insurance- 1% Medicare levy surcharge- Lifetime health-care incentive with lower premiums to those who join before age 30
Medicare Private health insurancePayment Commonwealth Government
TaxpayersCommonwealth GovernmentIndividuals and families
Payment type Income tax Levy surcharge
Annual, monthly, fortnightly premiums
Benefits Basic public hospital servicesBasic medical servicesSome specialist services85% of scheduled feeAvailability of bulk billing
Hospital cover- Hospital services- Choice of doctor- Choice of hospital- Private or public hospitalAmbulance coverAncillary cover- Physiotherapy- Chiropractor- Naturopathy, etcSome special benefits such as gym membershipOverseas cover
Complementary and alternative health care approaches
Reasons for growth of complementary and alternative health products and servicesWorld Health Organization recognitionRecognition of Eastern culturesMarketing strategiesProven results for many when traditional medicine had failedDesire for natural medicinesHolistic nature Addition to ancillary benefits by private health insurersSocietal changes with multiculturalismSocietal changes with globalisationSocietal changes with demographicsFormal qualifications enhancing credibility
Range of products and services availableAlternative health-care approach DescriptionAcupuncture Involves inserting needles into skinAromatherapy Use of pure essential oils to influence the
mind, body or spirit
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Bowen therapeutic technique System of muscle and connective tissue movements that realigns the body and balances energy flow
Chiropractic Adjustments are made to the spine to realign correct body function
Herbalism Uses plants and herbsHomeopathy System that recognises the symptoms are
unique to an individualIridology Analysis of the human eye to detect signs of
wellbeing or otherwiseMassage Includes remedial, Swedish, sportsMeditation State of inner stillnessNaturopathy Holistic treatment aiming to treat the
underlying cause as well as the symptoms of the illness
How to make informed consumer choicesIt is important to investigate and critique health-care providers and services. This can include: what is it they offer, what are the benefits, experience, qualifications, governing body and cost.
Critical Question 4 - What actions are needed to address Australia’s health priorities?
Health promotion based on the five action areas of the Ottawa Charter
The five action areas of the Ottawa Charter are:- Developing personal skills- Creating supportive environment- Strengthening community action- Reorienting health services- Building healthy public policy
Levels of responsibility for health promotionThe Australian government, state and local governments, non-government organisations, communities and individuals are all responsible for promoting health.
The benefits of partnerships in health promotionThe chance of successful health promotion is greatly increased when all levels of government, non-government organisations, communities and individuals work together towards one common goal.
How health promotion based on the Ottawa Charter promotes social justiceHealth promotion to be effective needs to address the social justice principles (equity, diversity and supportive environments).
Equity Diversity Supportive environment
Developing personal skills Mandatory PDHPE K - 10
Access to MedicareCommunity based support
Media campaigns
Creating supportive environments
Provision of health enhancing items
Destigmatising health conditions
Legislative bansProvision of health enhancing items
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Strengthening community action
Lobby groups Lobby groups Lobby groups
Reorienting health services Health services for ATSI
Language assistance
Partnerships with the community
Building healthy public policy
Bulk billingPBS
AbstudyHealth care card
Health campaigns
The Ottawa Charter in actionApplication of the Ottawa Charter requires critical analysis of the 5 areas of the Ottawa Charter: developing personal skills, strengthening community action, creating supportive environments, reorienting health services, building healthy public policy.Examples of health promotions that are based on the Ottawa Charter to an extent include: Closing the Gap, Fresh Tastes @ School, National Tobacco Strategy, National Action Plan on Mental Health, Measure Up and Swap It – Don’t Stop It.
HSC Core 2: FACTORS AFFECTING PERFORMANCE
Critical Question 1 - How does training affect performance?
Energy Systems
Alactacid system (ATP/PC)
Lactic Acid system
Aerobic system
Source of fuel Creatine phosphate CarbohydrateGlycogen
CarbohydrateFatProtein
Efficiency of ATP production
Less than 1 ATP molecule
Approximately 2 ATP molecules
Glucose – 36 ATP moleculesFatty acid – 130 ATP molecule
Duration 5 - 10 seconds 30 - 45 seconds Unlimited depending upon intensity
Cause of fatigue Depletion of PC Increased accumulation of hydrogen ions
Depletion of fuel sources
By-products None Lactic acid Carbon dioxidewater
Process and rate of recovery
PC replenishment in 2 – 5 minutes
Removal of lactic acid with active recovery in 15 – 30 mins
Restoration of glycogen – up to 48 hours
Types of training and training methods
AerobicAerobic training generally follows the FITT principle.F = frequency – at least 3 sessions per week are required for aerobic training to be effective. Serious athletes may complete 12 sessions.I = intensity – usually measured using heart rate. Aerobic training usually occurs between 70% and 85% of max HR.
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T = time – will depend upon the intensity but needs to be at least 20 minutes duration.T = type – there are a range of training types one can utilise to develop aerobic capacityContinuous training – requires training without rest for at least 20 minutes. Fartlek training – or ‘speed play’ involves continuous exercise with sprints or a higher intensity effort (e.g. Hill climb) interspersed throughout the session. Aerobic interval training – involves alternating repetitions of an exercise and a period of rest or recovery. Circuit training – involves a series of exercises that are performed one after the other with little or no rest in between each exercise.
AnaerobicAnaerobic training involves exercise of high intensity and therefore short duration. Interval training is a very common form of anaerobic training usually requiring maximal effort. Generally the recovery rate ratio will determine the type of training and aims of the sessions. Speed, acceleration and agility are components that can be developed through anaerobic training. Plyometrics is a very common training style to develop anaerobic power. Plyometrics involves exercises that produce an explosive muscular contraction.
FlexibilityFlexibility is the ability to move a muscle through its full range of motion. Good flexibility will assist:- Prevention of injury- Improved coordination- Muscular relaxation- Decreasing muscle sorenessStatic stretching – the muscle is slowly and smoothly taken to the end of its range of motion and held for approximately 30 seconds. This method is useful for rehabilitation, warm up and cool down.Dynamic stretching – involves a series of movements that replicate game movements and take the muscle through its full range of motion. It is popular for warm-ups.Ballistic stretching – involves a bouncing action at the end of the range of motion. This form of stretching activates the stretch reflex. The force of the movement takes the muscle beyond its preferred length. Therefore, this type of stretching has risks and is only recommended for elite athletes.PNF stretching – proprioceptive neuromuscular facilitation involves lengthening a muscle against a resistance. Generally it involves a static stretch, followed by an isometric contraction then a period of rest before being repeated. Used often during rehabilitation.
Strength trainingStrength is the maximal force generated by a single muscular contraction.Hypertrophy – an increase in the size of the muscle fibres and connective tissuesIsotonic – involves exercises where the muscle shortens and lengthensIsometric – involves exercises where the muscle does not change lengthIsokinetic – involves exercises where the load remains constant throughoutMachine weights – very popular method allowing for isotonic contractions and are very simple to use. It is very easy to isolate muscle groups using this method of training.Free weights – include dumbbells, barbells, medicine balls and kettlebells. Allow a wide range of exercises, muscle groups and types of contractions to be catered for. Good techniques are needed to avoid injury.Resistance bands – are often used in rehabilitation but have become a popular form of training lately due to their convenience. They allow for a range of contractions and a wide range of muscle groups.
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Stability balls – have become popular of late. Their focus is to develop the core muscles and majority of free weight exercises can be adapted to be performed incorporating the stability ball.Hydraulic resistance – effort is made against an opposing force. Resistance is constant through the entire movement.
Principles of training
Progressive overloadTo continue to have training improvements, progressive overload needs to occur. The body adapts to the training it undergoes. When this adaptation occurs the training needs to be increased to stress the body beyond its current capabilities to achieve further training gains. It also needs to be progressive so that the stress placed on the athlete does not cause injury or fatigue. Overload can be achieved by increasing intensity, resistance, repetitions, duration, frequency, etc.
SpecificityExercise needs to be specific for the energy systems, muscles, movement patterns, etc required for the athlete’s sport.
ReversibilityTraining adaptations are lost once training ceases or lowers below the current capacity of the athlete. A detraining effect results in the physiological adaptations gained through training being ‘reversed’.
VarietyCompleting the same or similar activities can lead to boredom which in turn may result in a reduced training effort. Therefore it is important for training sessions to incorporate a range of training types, settings, activities and drills.
Training thresholdsTraining thresholds are the upper limits of a training zone and when passed take the athlete to a new level.The aerobic threshold (Lactate transition 1) is approx 70% of MHR. This level is sufficient to cause a training effect.The aerobic training zone is when athlete is working above the aerobic threshold and below the anaerobic threshold. The anaerobic threshold (Lactate transition 2 or Onset Blood Lactate Accumulation OBLA) is approx 85% of MHR. Exercise beyond this point will see a marked increase of lactic acid build up and therefore fatigue and the cessation of exercise.
Warm up and cool downFor most sports a warm up will last approximately 20 minutes. This will incorporate a general warm up followed by a more specific warm up. The aim of the warm up is to prepare the body both physically and mentally for optimal performance.The general warm up will contain some running or aerobic activities and dynamic stretching. The specific component of the warm up will contain activities relating to the sport.The cool down is recommended to form part of the active recovery for the athlete. Generally this will involve low intensity exercise. The aim of the cool down is to decrease blood lactate levels and to minimise muscle soreness.
Physiological adaptations in response to trainingAdaptation
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Resting heart rate Decreased resting heart rate due to more efficient stroke volume
Stroke volume Increased at rest and throughout exerciseCardiac output Increased maximal cardiac outputOxygen uptake Increased due to an increase in capillaries,
myoglobin, mitochondria and enzyme activity
Lung capacity Increased maximal ventilation but remains relatively unchanged
Haemoglobin level Increased due to an increase in blood plasma and RBC numbers
Muscle hypertrophy Increased size with resistance trainingEffect on slow-twitch muscle fibres No change to percentage
Increased hypertrophy, capillary supply, mitochondrial function, myoglobin content enzymes and glycogen stores
Effect on fast-twitch muscle fibres No change to percentageIncreased ATP and PC supply, enzymes, hypertrophy and lactic acid tolerance
Critical Question 2 - How can psychology affect performance?
Motivation
Positive and negativePositive motivation is the desire to be successful in a pursuit that will result in happiness, satisfaction and pleasure. An example of this is for a high jumper to hope to compete at the Olympics. Negative motivation is the desire to be successful with the aim of avoiding unpleasant consequences. The motivation is to avoid something ‘bad’ happening as opposed to a positive outcome. An example is training hard and playing trying to avoid being dropped from the team.
Intrinsic and extrinsicIntrinsic motivation is internal motivation. It is emphasised by feelings of satisfaction and enjoyment. It is self-sustaining and is usually associated with an orientation towards the task. This type of motivation promotes longevity as external factors are not driving the athlete, for example continuing to play football despite regularly being in a lower grade and losing. Extrinsic motivation is motivation that comes from external sources. This includes things like trophies, money and praise. It tends to have an outcome orientation. This generally does not promote longevity as the money and praise are not often sustainable. Extrinsic rewards can deter from intrinsic motivation.
Anxiety and arousalTrait and state anxietyAnxiety is a negative emotional state. It is the result of perceiving situations as threatening. State anxiety is feelings of tension related to a specific event or moment in time. For example an athlete prior to the start of a 100m race feels nervous and anxious. The tension and anxiousness is related to the event, the bigger event the bigger the anxiety.Trait anxiety is a behavioural or personality disposition to display anxiety and to perceive various situations as threatening. A person with high trait anxiety often displays high state anxiety in competitive situations.
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Sources of stressStress is the imbalance between what is expected of a person and their perceived ability to meet those expectations. When there is a large imbalance then the person becomes stressed. There are many sources of stress and these include: financial concerns, selection concerns, injury concerns, contract concerns, crowds, preparation and expectations.
Optimal arousalOptimal arousal is the physical and emotional response related to a specific moment or event. Arousal is important for successful sporting performance, however, not all athletes or sports require the same level of arousal. An archer requires a different level of arousal (calm and quiet) compared to a weightlifter (pumped up).Optimal arousal is generally described utilising the inverted u hypothesis. As arousal increases so does performance until optimal arousal and this performance is reached. If arousal continues past this point (over arousal) then performance declines.
High Performance
LowLow High
Level of arousal
Psychological strategies to enhance motivation and manage anxiety
Concentration/attention skills (focusing)The ability to focus on appropriate cues is essential for an athlete. Shutting out distractions and irrelevant cues will assist the athlete to perform at a higher level. Strategies for focusing or regaining focusing can include music, cues, set routines, training for distractions and focus training. Athletes often train to replicate as much as possible the same environment as ‘game day’ to ensure their focus is on the important cues at the crucial time.
Mental rehearsal/visualisation/imageryThis involves creating mental images or pictures of the upcoming event, action or skill. This allows the athlete to experience (success) prior to the actual event. This allows the athlete to feel confident due to the fact that it is as if the athlete has been in this position previously and therefore knows how to feel and react and more importantly can picture a successful outcome. Athletes may use various methods of mental rehearsal. One method is as spectators watching themself perform the skill and the other is from their internal view as they are actually performing the skill.Mental rehearsal needs to be as realistic as possible for it to be effective. Therefore the detail, timing and settings all need to replicate the real event.
Relaxation techniquesOver-aroused and anxious athletes benefit greatly from having a range of relaxation strategies available to them. Relaxation will lower breathing rates, heart rate, blood pressure and muscle tension leading to greater control and focus.Examples of relaxation include listening to music, massage, watching TV or a movie, controlled breathing exercises, yoga, Pilates, meditation and hypnosis.
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Goal-settingSetting long term and short term goals can assist an athlete greatly to remain focused. The goals of an athlete can be about the outcome of their performance (e.g. winning gold at the Olympics) or the process (e.g. swimming a personal best at the Olympics).Short term goals should contribute to achieving the long term goal.
Critical Question 3 – How can nutrition and recovery strategies affect performance?
Nutritional Considerations
All athletes must ensure that the food and drink they consume will support maximum performance. These considerations are as important for both training and actual competition. They also apply to both before and after intense physical activity. The primary aims of good nutrition are: Adequate fuel reserves, such as maximum glycogen stores for triathletes Repair of damaged body tissue from training, such as increasing protein intake for
strength training Prevention of dehydration, through adequate fluid intake Optimal functioning of all body systems (e.g. Immune System), by meeting the
recommended dietary intakes for all nutrients, such as vitamins and minerals
Pre-performance Nutrition Changes to an athlete’s regular diet may be necessary in the days and hours leading up to an intense training session and competition. This is to ensure the required fuel reserves are full and the athlete is well hydrated. Knowing what and how much to eat, as well as when to eat, will enable the body to perform intense physical activity. The last significant meal should be eaten 3-4 hours prior to the event. It should contain at least 100 grams of carbohydrates, be low in fat and fibre and have a small amount of protein. At least 500 mL of water should also be consumed. A light meal can also be eaten 1-2 hours prior, which should consist of some high GI Carbohydrates, as well as more fluid.Carbohydrate LoadingEndurance athletes require more carbohydrates than other athletes, and may need to increase their intake for 3-4 days leading up to an event. By maximising muscle and liver glycogen reserves, they ensure that glycogen is used as a primary fuel for as long as possible.
HydrationTo avoid the negative effects of dehydration on sporting performance, athletes should over-compensate for their projected fluid needs. For a normal person, 2 litres of fluids should be consumed daily; therefore a person who is expecting to perform intense physical activity should drink at least 3 litres in the 24 hours leading up to an event.
During Performance Continued hydration is the main priority during physical activity. Small amounts of fluid should be consumed at all possible times, such as time-outs, half time and stoppages (150mL per 15 minutes). For endurance events, lasting longer than 60 minutes, refuelling may also be necessary. This is best achieved by eating concentrated forms of glucose such as energy gels, bananas, sports bars or sports drinks.
Post PerformanceThe primary aim of post-exercise recovery is to return all body systems as quickly as possible to their pre-event condition. The specific details of what to eat and when will depend
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on the duration and intensity of the activity itself. The primary aims of the first 12 – 24 hours after intense exercise are: Restore depleted glycogen Repair damaged muscle tissue Rehydrate the athlete
Supplementation
Supplementation is the process of eating additional nutrients’ to account for a deficiency in an athlete’s diet. In most cases, sports nutritionists generally prefer to make regular dietary modifications.
Vitamins and MineralsVitamins are chemical compounds, which can only be sourced through dietary intake. They enable the normal functioning of the body and promote growth and development. Vitamins are available in a wide range of foods, which is why a diverse range of food is needed to meet the RDI’s of each one. Minerals are also chemical compounds, which play a similar role in the body. They are also normally sourced through the food eaten in a regular diet, but can be supplemented if needed. Deficiencies of some minerals can have a direct and adverse effect on the health and performance of certain athletes. Minerals of significance include: Iron Calcium
ProteinProtein is required for the growth, repair and maintenance of muscle tissue. Athletes must ensure they eat sufficient amounts of protein to aid recovery and promote growth of muscle tissue. This is especially important for athletes who are undertaking strength training or high-intensity interval training. Good food sources of protein include lean meat, dairy products, nuts and eggs.
CaffeineCaffeine is a stimulant, which speeds up the Central Nervous System. It is normally consumed through chocolate, coffee, cola drinks and advertised energy drinks. It is also available in the form a caffeine tablets. The supposed benefits of caffeine for athletes include increased alertness, decreased perception of fatigue and the mobilisation of fat cells leading to ‘glycogen-sparing’. Possible negative side effects include an elevated heart rate, over-arousal and uncontrolled muscle twitches leading to decreased fine-motor control. In high-doses, it also acts as a diuretic, leading to dehydration.
Creatine Creatine is a fuel source, which is stored in skeletal muscles. It is produced partly in the body cells, but regular intake of protein, especially from meat sources, ensures the RDI for Creatine is achieved. Its role is to assist in the production of Creatine Phosphate, which is the fuel source for the replenishment of ADP back into ATP. This is commonly known as the ATP-CP Energy System, which provides for ATP regeneration during short bouts of powerful, high-intensity exercise, such as 100m sprints or shot-put. Athletes who either train for these types of sports or undertake a heavy resistance-training program, may achieve training benefits such as increased lean muscle mass and improved performance levels.
Recovery Strategies
Physiological Strategies
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Both active recovery exercises and appropriate nutrition are important factors in restoring the body to a pre-event condition, allowing the athlete to prepare for the next training session or game as quickly as possible. Examples include: Hydration Nutrition Cool Down Stretching
Neural StrategiesIntense physical activity is very taxing on the muscular system, but also the Central and Peripheral Nervous System. These neural strategies are aimed at relaxing the body and muscles, reducing the perception of localised muscle fatigue as well as decreasing general mental fatigue. Hydrotherapy Massage Tissue Damage StrategiesFollowing intense physical activity and competition, it is common for athletes to suffer from a variety of levels of tissue damage. This can range from microscopic muscle tears as a result of heavy resistance training, to bruises and minor sprains and strains, right through to more significant soft-tissue injuries. Cryotherapy
Psychological StrategiesThe pressure involved in participating in elite sport can be immense, and this can come from both internal and external sources. For an athlete to maintain good mental and emotional health, as well as manage their levels of motivation and anxiety, a range of personal strategies can be employed to achieve this Relaxation Sleep
Critical Question 4 - How does the acquisition of skill affect performance?
Stages of Skill Acquisition
Cognitive StageThis stage is characterised be the learner developing an understanding of the task requirements.
Associative StageThis stage is characterised by the need for the athlete to practise the skill, until a correct motor pattern is established in the mind and body.
Autonomous StageIn this stage, the athlete is able to perform the skills automatically, without intentional thought about the task requirements.
Characteristics of the LearnerPersonalityInnate personality traits can have a significant effect on an athlete in all stages of skill acquisition. Examples of relevant traits include confidence, motivation, a positive outlook, self-discipline, focus, enthusiasm, competiveness and whether you are an introvert or an extrovert.
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HeredityCertain genetic features can provide a varying degree of advantage with regard to the potential for success. Specific inherited factors, which may be influential, include: Muscle Fibre Type Body Shape Gender
Confidence Whilst this is a personality trait, it stands alone as making a significant contribution to sporting success at the elite level
Prior ExperienceCertain sports have common characteristics, which can enable a person to transfer their ability from one sport, and quickly adapt and learn the specific skills and tactics in another sport. Some factors that can be transferred from one sport to another include: Motor patterns Tactics and strategies Skills Components of Fitness
AbilitySome people seem to have a natural ability at sport, which is most evident in the rate that they move through the stages of skill acquisition. They almost seem to be dominant in any game they play. Some of the factors that may underpin this phenomenon include spatial awareness (awareness of who and what is around them), kinaesthetic sense (awareness of the body’s position in space), tactical awareness (awareness of what equipment should feel like as it makes contact with the body), coordination (ability to move multiple limbs with timing and precision e.g. hand-eye or foot-eye coordination), fast reaction time and perceptive senses (enhanced sensitivity of the senses, especially during fast-paced sports)
The Learning Environment
The Nature of SkillSkills can be categorised based on the following. Closed Skills are performed in a leaning environment which is unchanging, stable and
predictable Open Skills are performed in a leaning environment which is changing, less stable and
somewhat unpredictable Gross Motor Skills require the use of large muscle groups to produce a less refined
movement Fine Motor Skills require the use of small muscle groups to produce a precise and
accurate movement Self-paced skills are performed when the athlete chooses to, such as when to bowl the
cricket ball or when to commence a high jump attempt Externally paced skills are not at the discretion of the athlete, and they must perform the
skill based on forces out of their control, such as hitting a baseball or being a goalkeeper in hockey
Discrete skills have a clearly defined beginning and end, such as a golf shot, a 100m sprint or a pass in football
Serial Skills are a combination of a range of discrete skills into one whole movement. Team sports are require serial skills as an athlete is constantly using a variety of skills in competition
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Continuous Skills have no clear beginning or end, and the point at which they start or end is at the discretion of the athlete, such as going for a run or swim
The Performance Elements Decision making Strategic and tactical development
The Practice Method Massed Practice is characterised by periods of continuous practice with short rest
intervals. This is suitable for activities that are fun, of moderate intensity or for highly motivated athletes. Suitable examples include golf putting or goalkeeping
Distributed Practice is characterised by shorter periods of work with more regular periods of rest. This is suitable for monotonous or difficult activities, for high-intensity activities that cause excessive or where motivation is low. This would suit activities such as water-skiing or tackling in rugby league
Whole Practice involves practicing the complete skill in its entirety. This suits advanced learners or for skills that cannot be broken down into sub-components that can be practiced in isolation, such as archery or sailing
Part Practice involves isolating the various sub-components, practicing each and then combining it all together in a complete movement. This is suitable for very complex skills such as pole vault, or for beginners who are in the cognitive stage
Feedback Intrinsic Feedback – information that is received internally through the senses by the
performer. As a learner continues to improve, they should be developing the ability to detect and correct their own errors. A Refined kinaesthetic sense is critical in enabling them to analyse the feel of the movement
Extrinsic Feedback – information that is received from an external source, such as a coach, the crowd or video analysis
Concurrent Feedback – is feedback that is received during the performance, and is closely aligned with intrinsic feedback. The athlete may be able to adjust the current movement as it is being executed, such as a batter adjusting their shot selection as the ball swings unexpectedly. Or they can adjust the skill the next time it is executed
Delayed Feedback – is feedback that is received after the completion of the skill. It can be either intrinsic, via video analysis, or through an extrinsic source such as a coach. Sometimes this feedback can arrive days later during a video analysis session
Knowledge of Results – information concerning the outcome or success of the skill, such as whether ball was in or not. This information can then be used to analyse why the skills was successful or not. This is most useful for beginners as the develop their basic motor patterns
Knowledge of Performance – information concerning the actual technique or the patterns of play. This is used more so by learners in the autonomous stage and can arrive from both extrinsic and extrinsic sources. Coaches of elite athletes must be very competent in carefully analysing performances to detect and help correct even minor errors. Also in team sports, the coach must be very good at analysing the play and identifying areas of strengths and weakness in both teams, and communicating relevant feedback and strategies for the team
Assessment of Skill and Performance
Characteristics of a Skilled PerformanceThere are a number of observable differences between a skilled and unskilled performance. Kinaesthetic Sense
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Anticipation Consistency Technique Mental Approach
Objective and Subjective Performance MeasuresThere are a range of tests that can be used in order to make a measurement or an appraisal as to the quality of performance. Objective Measurement – Where an assessment is not based on human interpretation or
analysis, the test is described as objective. Sporting examples include high jump, the 100m sprint and the score in a team sport. These measurements are the most fair and reliable in terms of who the winner was. However, they may not provide enough information for a complete analysis of the technique or performance
Subjective Measurement – Assessment that relies on personal opinions and judgment is described as subjective. Some sports rely solely on a subjective measurement, such as in diving or gymnastics. The analysis of technique or tactical performance also relies on subjective measures, as the coach makes a personal interpretation
Validity and Reliability of testsThe assessment of sporting performances must measure what it actually intends to measure (validity) and also ensure the same results are achieved regardless of who, where or when the test is administered (reliable).
Personal versus Prescribed Judging CriteriaWhen a subjective measurement is to be made of any sporting performance, some degree of criteria is used which enables a more complete and fair appraisal. To increase the objectivity required for official competition, prescribed criteria are developed by the judges or governing body. These involve rating scales, checklists and scoring systems that minimise the chance of error or bias affecting the results. Commitment and degree of difficulty
HSC Option 1: THE HEALTH OF YOUNG PEOPLE
Critical Question 1 – What is good health for young people?
The Nature of Young People’s Lives
How the Developmental Stage can vary in Motivations, Values, and Sociocultural BackgroundThe Influence of Family and PeersThe Influence of Prevailing Youth CulturesThe Influence of Global Events and TrendsThe Influence of Technology
Epidemiology of the Health of Young PeoplePatterns of Morbidity and MortalityComparisons of Health Status with that of Other Age Groups
The Effects of the Determinants of Health on Young PeopleIndividual FactorsSociocultural Factors
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Socioeconomic FactorsEnvironmental Factors
Developmental Aspects that Affect the Health of Young People Revising roles within relationshipsClarifying self-identity and self-worthDeveloping self-sufficiency and autonomyEstablishing education, training and employment pathwaysDetermining behavioural boundaries
Critical Question 2 – To what extent do Australia’s young people enjoy good health?
The Major Health Issues that Impact on Young People
Mental health problems and illnesses Alcohol consumptionViolenceRoad safetySexual health Body ImageOther relevant/emerging health issues that impact on the health young people include gambling, cyber-bullying, party crashes and drink spiking.
Critical Question 3 – What skills and actions enable young people to attain better health?
Skills in Attaining Better Health
Building Self ConceptDeveloping Connectedness and Support NetworksDeveloping Resilience and Coping SkillsDeveloping Health Literacy SkillsDeveloping Communication SkillsAccessing Health ServicesBecoming Involved in Community ServiceCreating a Sense of Future
Actions Targeting Health Issues Relevant to Young PeopleSocial ActionLegislation and Public PolicyHealth Promotion Initiatives
HSC Option 2: SPORT AND PHYSICAL ACTIVITY IN AUSTRALIAN SOCIETY
Critical Question 1 – How have meanings about sport and physical activity changed over time?
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The beginnings of modern sport in 19th century England and colonial AustraliaLinks with manliness, patriotism and characterThe meaning of amateur and professional sportWomen’s historical participation in sport
Sport as a commodityThe development of professional sportSport as big businessSponsorship, advertising and sportThe economics of hosting major sporting eventsConsequences for spectators and participants
Critical Question 2 – What is the relationship between sport and national and cultural identity?
Australian sporting identityNational and regional identity through sporting achievementsGovernment fundingPolitics and sports
The meaning of physical activity and sport to Indigenous AustraliansTraditional activities and sportsLinks between community and identity
Physical activity, sport and cultural identityThe role of competitionLinks to cultural identityRelationships to healthWays of thinking about the body
Critical Question 3 – How does the mass media contribute to people’s understanding, values and beliefs about sport?
The relationship between sport and the mass media
The representation of sport in the mediaEconomic considerations of media coverage and sport
Deconstructing media messages, images and amount of coverageDifferences in coverage for different sports across various print and electronic mediaThe emergence of extreme sports as entertainment
Critical Question 4 – What are the relationships between sport and physical activity and gender?
Sport as a traditionally male domain
Sport and the construction of masculinity and femininityImplications for participationSponsorship, policy and resourcingThe role of the media in constructing meanings around femininity and masculinity in sport
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HSC Option 3: SPORTS MEDICINE
Critical Question 1 – How are sports injuries classified and managed?
Ways to Classify Sports Injuries
Direct and IndirectSoft and Hard TissueOveruse
Soft Tissue InjuriesTears, Sprains and ContusionsSkin Abrasions, Lacerations and BlistersInflammatory Response
Hard Tissue InjuriesFracturesDislocations
Assessment of InjuriesTOTAPS
Critical Question 2 – How does sports medicine address the demands of specific athletes?
Children and Young Athletes
Medical Conditions Overuse InjuriesThermoregulation Appropriateness of Resistance Training
Adult and Aged AthletesHeart ConditionsFractures and Bone DensityFlexibility and Joint Mobility
Female AthletesEating DisordersIron DeficiencyBone DensityPregnancy
Critical Question 3 – What role do preventative actions play in enhancing the wellbeing of the athlete?
Physical Preparation
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Pre-ScreeningSkill and TechniquePhysical FitnessWarm-up, Stretching and Cool Down
Sports Policy and the Sports EnvironmentRules of Sports and ActivitiesModified Rules for ChildrenMatching of OpponentsUse of Protective EquipmentSafe Grounds, Equipment and Facilities
Environmental Considerations Temperature RegulationClimatic ConditionsGuidelines for Fluid IntakeAcclimitisation
Taping and BandagingPreventative TapingTaping for Isolation of InjuryBandaging for the Immediate Treatment of Injury
Critical Question 4 – How is injury rehabilitation managed?
Rehabilitation Procedures
Progressive Mobilisation Graduated ExerciseTrainingUse of Heat and Cold
Return to PlayIndicators of Readiness for Return to PlayMonitoring ProgressPsychological ReadinessSpecific Warm up ProceduresReturn to Play Policies and ProceduresEthical Considerations
HSC Option 4: IMPROVING PERFORMANCE
Critical Question 1 – How do athletes train for improved performance?
Strength trainingResistance trainingWeight trainingIsometric training
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Aerobic trainingContinuous/uniformFartlekLong interval
Anaerobic training (power and speed)Developing power through resistance/weight trainingPlyometricsShort interval
Flexibility trainingStaticDynamicBallistic
Skill trainingDrills practiceModified and small-sided gamesGames for specific outcomes
Critical Question 2 – What are the planning considerations for improving performance?
Initial planning considerations
Performance and fitness needsSchedule of events/competitionsClimate and season
Planning a training year (periodisation)Phases of competitionSubphasesPeakingTaperingSport-specific subphases
Elements to be considered when designing a training sessionHealth and safety considerationsProviding an overview of the session to the athletesWarm up and cool downSkill instruction and practiceConditioningEvaluation
Planning to avoid overtrainingAmount and intensity of trainingPhysiological considerationsPsychological considerations
Critical Question 3 - What ethical issues are related to improving performance?
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Use of drugs
The dangers of performance enhancing drugsFor strengthFor aerobic performanceTo mask other drugsBenefits and limitations of drug testing
Use of technologyTraining innovationSome training innovations include:Equipment advances
HSC Option 5: EQUITY AND HEALTH
Why do inequities exist in the health of Australians?
Factors that create health inequities
Daily living conditionsQuality of early years of lifeAccess to services and transportSocioeconomic factorsSocial attributesGovernment policies and priorities
Critical Question 2 – What inequities are experienced by population groups in Australia?
Populations Experiencing Health InequitiesAboriginal and Torres Strait Islander Peoples Homeless People Living with HIV/AIDS Incarcerated Aged Culturally and Linguistically Diverse Backgrounds Unemployed Geographically Remote Populations People with Disabilities
Critical Question 3 – How may the gap in health status be bridged?
Funding to Improve healthFunding for HealthFunding for Specific PopulationsLimited Resources
Actions that Improve HealthEnable (Using Knowledge and Skills for Change)Mediate (Working for Consensus)
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Advocating (Speaking up for Specific Groups, their Needs and Concerns)
A Social Justice Framework for Addressing Health InequitiesEmpowering Individuals in Disadvantaged CircumstancesEmpowering Disadvantaged CommunitiesImproving Access to Facilities and ServicesEncouraging Economic and Cultural Change
Characteristics of Effective Health Promotion StrategiesWorking with the Target Group in Program Design and ImplementationEnsuring Cultural Relevance and AppropriatenessFocusing on Skills, Education and PreventionSupporting the Whole Population while Directing Extra Resources to those in High Risk GroupsIntersectoral Collaboration
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