Graduate BiomechanicsGraduate Biomechanics
Biomechanics of ThrowingBiomechanics of ThrowingFall 2007Fall 2007
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Objectives in Throwing Activities
• Maximum Distance
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Objectives in Throwing Activities
• Maximum Distance
•Maximum Accuracy
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Objectives in Throwing Activities
• Maximum Distance
• Maximum Accuracy
•Speed and Accuracy
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Distance
Determining Factors
Release velocity
Release angle
Release Height
Aerodynamics
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Distance
Determining Factors
Release velocity
Greater release velocities produce greater distance
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Distance
Gravity produces a constant acceleration that acts on the projectile from release to landing, causing the projectile to follow the path of a parabola.
Determining Factors
Release velocity
Release angle
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Distance
Determining Factors
Release velocity
Release angle
Distance
Ang
le
Optimum release angles producethe greatest distances
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Distance
Greater release heights produce greater distance
Determining Factors
Release velocity
Release angle
Release Height
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Distance
Determining Factors
Release velocity
Release angle
Release Height
Aerodynamics
Lift
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Accuracy
Determining Factors
Release Point
Throwing Arc
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Accuracy
Determining Factors
Release Point
Release Point
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Maximum Accuracy
Determining Factors
Release Point
The ball follows a path that is a tangent to the release point on the arc of the throwing motion.
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of ThrowingMaximum AccuracyDetermining Factors
Release Point
Throwing Arc
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
Speed and Accuracy
Determining Factors
Kinetic Chain
Throwing Arc
Release Point
Aerodynamics
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of ThrowingAerodynamics – “The Curve Ball”
Why Does a Ball Curve in Flight ?????
The Magnus Effect
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
The Magnus Effect
Related Factors
Ball Velocity – linear
Ball Velocity – angular
Surface Roughness
High Pressure
Low Pressure
Applied BiomechanicsApplied Biomechanics
Biomechanics of ThrowingBiomechanics of Throwing
The Magnus Effect