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| Origin of Humeral Head: Common flexor tendon from medial epicondyle
of humerus, ulnar collateral ligament of elbow joints, and deep
antebrachial fascia
Origin of Ulnar Head: Medial side of coronoid process Origin of Radial Head: Oblique line of radius Insertion: By four tendons into sides of middle phalanges of second through fifth digits Nerve: Median, C7, 8, T1 Action: Flexes PIP joints of 2-5 digits, assists in flexion of the MCP joints and in wrist flexion |
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Superficial Extrinsic Flexors | Deep 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