Sacroiliac joint (part 1)

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Sacroiliac joint(part 1)

Presented by: Abdul Rasid

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Stabilisasi SIJTerdapat 2 aspek yang dapat memberikan

stabilitas pada SIJ, yakni:1. Force closure:: muscle, fascia, 2. Form closure:: bone, ligament, joint3. Neural

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Posterior view of SIJ

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Stabilisation of ligament on Weight transfer

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Ligamen-ligamen pada SIJ

1. interoseus, posterior SI limit nutation and inferior shear of the sacrum

2. Long dorsal SI limit counternutation (commonly source of pain)

3. Sacrotuberous Ligament limit nutation of the sacrum). Attachment from tuber isciadicum to ILA. There’s connection between this ligament and Biceps femoris regarding the attachment on Tuber isciadicum.

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Sacral movement on inominate

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Muscular function for optimal force closure

1. INNER MUSCLE/LOCAL MUSCLE

Provide stability trough increasing spinal segmental stiffness

Postural Tonic activity 10%

MCV (maximum mucle contraction)

2. OUTER MUSCLE/GLOBAL MUSCLE

Control spinal orientation

PhasicAnatomically more

superficial

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Core muscle

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Transversus abdominisDeepest of the abdominal musclesFibers are horizontally orientedContraction increases intra-abdominal

pressureStiffens the lumbar spineTrA muscles active before movement on

upper and lower extremityHow to palpate this muscles?? seated with

finger 1’ inferior and medial ASIS

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Posterior oblique sling

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Resultan gaya muscle sling

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Relationship between pelvic anterior tilt and lordosis lumbal

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assessmentSubjective assessmentObjective assessmentObservation, palpationAROM LxStanding flexionSeated flexionStork testSquish testSLR

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Anterior rotation of inominate ASIS more anterior and inferiorShorten and strong rectus femoris Lumbal segment on side more deeperHamstring in stretch posistion (may be weak

because it’s position)

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Posterior rotation of inominateASIS more superiorTight hamstringLong dorsal SI in tension?Lumbal segment more deeper on

contralateral side

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management

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TERIMAKASIH…

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