Forearm: Posterior Compartment Flashcards

1
Q

Muscles of the superficial layer of the posterior compartment of the forearm

A
Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris
Anconeus
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2
Q

Muscles of the deep layer of the posterior compartment of the forearm

A
Supinator
Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus
Extensor indicis
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3
Q

Innervation of the posterior compartment of the forearm

A

Radial nerve

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4
Q

Action of the posterior compartment of the forearm

A

Extension of the wrist and digits, supination, abduction and adduction of the wrist
Brachioradialis = flexion of the forearm at the elbow joint (beer drinking muscle)

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5
Q

What is the common extensor origin

A

Lateral epicondyle of the humerus

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