Muscles of the antebrachium

Question 1

origin, insertion, innervation of Extensor carpi radialis?

Answer 1

O: lateral epicondyle (humerus)
I: metacarpal bone
N: radial nerve

Question 2

origin, insertion, innervation of extensor digitorum communis?

Answer 2

O: lateral epicondyle (humerus)
I: all distal phalanges
N: radial nerve

Question 3

origin, insertion, innervation of extensor digitorum lateralis?

Answer 3

O: lateral epicondyle (humerus)
I: lateral distal phalanges
N: radial nerve

Question 4

origin, insertion, innervation of extensor carpi ulnaris (ulnaris lateralis)?

Answer 4

O: lateral epicondyle (humerus)
I: accessory carpal bone & metacarpal
N: radial nerve

Question 5

origin, insertion, innervation of supinator?

Answer 5

O: lateral epicondyle (humerus)
I: radius
N: radial nerve

Question 6

origin, insertion, innervation of extensor abductor pollicis longus

Answer 6

O: cranial aspect of ulna
I: 1st metacarpal bone
N: radial nerve

Question 7

origin, insertion, innervation of flexor carpi radialis?

Answer 7

O: medial epicondyle of humerus
I: metacarpals
N: median nerve

Question 8

origin, insertion, innervation of superficial digital flexor?

Answer 8

O: medial epicondyle of humerus
I: middle phalanges
N: median nerve

Question 9

origin, insertion, innervation of deep digital flexor?

Answer 9

O: medial epicondyle of humerus
I: all distal phalanges
N: median & ulnar nerve

Question 10

origin, insertion, innervation of flexor carpi ulnaris?

Answer 10

O: medial epicondyle of humerus
I: accessory carpal bone
N: ulnar nerve

Question 11

origin, insertion, innervation of pronator teres?

Answer 11

O: medial epicondyle of humerus
I: radius
N: median