Voorarm Extensoren

Question 1

M. Extensor carpi radialis

Answer 1

Longus, O: Lateral supracondylar ridge of humerus, I: Base of second metacarpal
Brevis, O: Lateral epicondyle, I: Base of third metacarpal

F: extend the wrist, abduct the wrist, assist to flex the elbow.

Question 2

Extensor carpi ulnaris

Answer 2

O: lateral epicondyle
I: Base of fifth metacarpal
F: extend the wrist, adduct the wrist,

Question 3

Extensor digitorum

Answer 3

O: lateral epicondyle
I: distal en middle phalanges van metacarpaal 2-5
F: extensie phalanges, assist to extend wrist

Question 4

Anconeus

Answer 4

O: lateral epicondyle of the humerus
I: olecranon process, proximal surface of ulna

Question 5

Extensor digiti minimi

Answer 5

O: Lateral epicondyle of the humerus
I: phalanges 5 distalis
F: extensie phalanges 5, extensie wrist,

Extensie pink vragen
Eerste spier boven ulna

Question 6

Extensor indicis

Answer 6

O: posterior surface of distal shaft of ulna and interosseous membrane
I: tendon of the extensor digitorum distal 2nd finger
F: extend and adduct the 2nd finger, may assist wrist extension