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 Origin of Humeral Head: Common flexor tendon of medial epicondyle of humerus

Origin of ulnar head: medial margin of olecrannon of humerus, medial margin of ulna, and deep antebrachial fascia.

Insertion:

Innervation: Ulnar, C7, 8, T1

Action: Flexes and adducts (ulnarlly deviates) wrist

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Superficial Extrinsic Flexors | Extrinsic Flexors | Extrinsic Extensors | Extrinsic Muscles | Intrinsic Muscles | Muscle Arrangement | Help | Hand Kinesiology

Lorie Richards and Janice Loudon, University of Kansas Medical Center, School of Allied Health,
Occupational and Physical Therapy Education, October 1997