Upper limp 2 - a Joints • carpometacarpal • metcarpophalangeal • proximal and distal interphalangeal b Movements • flexion extension •

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1 MUSCLES AND MOVEMENTS OF THE UPPER LIMB Part II 4. Superior and Inferior Radioulnar Joints a) Joints b) Movements pronation, supination c) Muscles pronator teres and pronator quadratus supinator and biceps brachii
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2 5. Wrist Joint Radius, (ulna) scaphoid, lunate triquetral a) Joints radiocarpal joint
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3 b) Movements flexion, extension abduction, adduction c) Muscles flexor carpi radialis, palmaris longus, flexor carpi ulnaris (pronator teres completes the superficial layer but does not have an action at the wrist) flexor digitorum superficialis flexor digitorum profundus, flexor pollicis longus flexor retinaculum and the carpal tunnel extensor carpi radialis longus and brevis, extensor digitorum, extensor indicis, extensor carpi ulnaris
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4
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5
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6 6. Digits metacarpals and phalanges
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Unformatted text preview: a) Joints • carpometacarpal • metcarpophalangeal • proximal and distal interphalangeal b) Movements • flexion, extension • abduction, adduction c) Muscles acting on the digits i) Extrinsic ¾ grip and range ¾ flexor digitorum superfi and profundus ¾ extensor digitorum and extensor indicis ii) Intrinsic ¾ fine position ¾ lumbricals, interossei, hypothenar muscles 7 7. Thumb a) Joints • carpometacarpal • interphalangeal b) Movements • flexion, extension • abduction, adduction • opposition c) Muscles i) Extrinsic • Grip and range • Flexor pollicis longus • outcropping muscles – abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus. ii) Intrinsic • adductor pollicis • thenar muscles 8...
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This note was uploaded on 09/25/2009 for the course ANATOMY ana300y1 taught by Professor Wiley during the Winter '09 term at University of Toronto- Toronto.

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Upper limp 2 - a Joints • carpometacarpal • metcarpophalangeal • proximal and distal interphalangeal b Movements • flexion extension •

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