RADIOULNAR JOINT KINETICS PART 2 - ELBOW COMPLEX BIOMECHANICS (Physiotherapy Tutorials)

RADIOULNAR JOINT KINETICS - ELBOW COMPLEX BIOMECHANICS (Physiotherapy Tutorials)

diagram credits/reference: Cynthia Norkin's


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summary of the video with the time for reference:

1) ANNULAR AND QUADRATE LIGAMENT
STABILIZES PROXIMAL R-U JOINT
OBLIQUE CHORD
LIMITS SUPINATION

2)PALMAR RADIOULNAR LIGAMENT
LIMITS SUPINATION DISTALLY
DORSAL RADIOULNAR LIGAMENT
LIMITS PRONATION DISTALLY

3)INTEROSSEOUS MEMBRANE
INTEROSSEOUS MEMBRANE WITH TFCC PROVIDES LONGITUDINAL STABILITY
THE TRACT IS TAUT WITH PRONATION AND TRANSFERS THE LOAD TO ULNA
THE TRACT IS LOOSE WITH SUPINATION AND THE LOAD PASSES THROUGH THE RADIUS
REINFORCES JOINT CAPSULE AND PROVIDES STABILITY

4)ARTICULAR DISC-TFCC
TRANSMITS COMPRESSIVE LOADS AND STABILIZES THE CARPALS
DURING TENSILE LOADING, STRAIN DISTRIBUTION AT A RADIUS HIGH IN PRONATION AND LOW WITH SUPINATION
REGULARLY BARES TENSILE AND COMPRESSIVE LOADS


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#elbowjointbiomechanics #elbowjointcomplex #movementscience