| Origin |
Proximal 3/4 of medial and anterior surfaces of ulna and interosseous membrane
|
| Insertion |
Base of the distal phalanx of digits 2 - 5
|
| Action |
Flexes distal phalanges at distal interphalangeal joints of medial four digits; assists with flexion of hand
|
| Innervation |
Medial part: ulnar nerve (C8 and T1)
Lateral part: anterior interosseous branch of median nerve (C8 and T1)
|
Arterial
Supply |
Ulnar and anterior interosseous arteries
|
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utilized, reproduced, stored, or transmitted in any form or by any
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