Posterior Forearm Flashcards
What muscles make up the posterior forearm?
Brachoradialis Extensor carpi radialis Extensor carpi ulnaris Anconeus Extensor digitorum profundus Extensor digiti minimi Supinator Extensor pollucis longus Extensor pollucis brevis Extensor indicus proprius Abductor pollucis longus
Which muscles make up the superficial part of the posterior forearm?
Brachoradialis Extensor carpi radialis Extensor carpi ulnaris Anconeus Extensor digitorum profundus Extensor digiti minimi
Which muscles make up the deep part of the posterior forearm?
Supinator Extensor pollucis longus Extensor pollucis brevis Extensor indicus proprius Abductor pollucis longus
Which nerve innervates the muscles of the posterior forearm?
Radial nerve
What is the origin of brachoradialis?
Lateral supracondylar ridge
What is the insertion of brachoradialis?
Distal radialis
What is the action of brachoradialis?
Flex elbow
What is the innervation of brachoradialis?
Radial nerve
What is the origin of extensor carpi radialis?
Longus - supracondylar ridge
Brevis - lateral epicondyle
What is the insertion of extensor carpi radialis?
Tendon -> metacarpal 1+2
What is the action of extensor carpi radialis?
Extend wrist
Abduct wrist
What is the innervation of extensor carpi radialis?
Radial nerve
What is the origin of extensor carpi ulnaris?
Lateral epicondyle
What is the insertion of extensor carpi ulnaris?
Metacarpal 5
What is the action of extensor carpi ulnaris?
Extend wrist
Adduct wrist
What is the innervation of extensor carpi ulnaris?
Radial nerve
What is the origin of anconeus?
Lateral epicondyle
What is the insertion of anconeus?
Posterior + lateral olecranon
What is the action of anconeus?
Extend elbow
Abduct ulna in pronation