QuestionSBA
QuestionChoice
Muscle that are involved in pronation of the forearm are the pronator teres and pronator quadratus. The extensor digitorum is not involved in this function.
10008579
e
Pronation
QuestionChoice
Extensor digitorum can extend the wrist, however it plays no role in adduction of the wrist. This is mediated by extensor carpi ulnaris.
10008577
c
Extends and adducts the wrist
QuestionChoice
Flexion of the fingers at the interphalangeal and metacarpophalangeal joints is mediated by the flexor digitorum superficialis and profundus.
10008578
d
Flexion of the fingers at the interphalangeal and metacarpophalangeal joints
QuestionChoice
The arrow is pointing to the extensor digitorum muscle which arises from the lateral epicondyle of the humerus and inserts onto the extensor hood of each of the fingers. It plays a role in the extension of the fingers at the interphalangeal and metacarpophalangeal joints.
10008575
a
Extension of the fingers at the interphalangeal and metacarpophalangeal joints
QuestionChoice
Extensor digitorum can extend the wrist, however it plays no role in abduction of the wrist. This is mediated by the extensor carpi radialis longus and brevis.
10008576
b
Extends and abducts the wrist
Concept
Chapter
2693
5246
Posterior Forearm muscles
Topic
258
Upper Limb Anatomy
14262
Picture
1654
167 - Posterior Forearm muscles (extensor digitorum).png
images/5bkwng431682950216523.jpg
images/5bkwng431682950216523_256.jpg
images/5bkwng431682950216523_512.jpg
9hgGDYJah5j0dWiroGdjl8kGonkQ
Topic
258
Upper Limb Anatomy
Identify the function of the muscle that is indicated by the arrow.

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a