FLEXOR DIGITORUM PROFUNDUS
Origin
Med olecranon, upper three quarters of ant and med surface of ulna as far round as subcutaneous border and narrow strip of interosseous membrane
Action
Flexes distal IP jnts, then secondarily flexes prox IP and MCP jnts and wrist
Insertion
Distal phalanges of med four fingers. Tendon to index finger separates early
Nerve
Median N (ant interosseous) (C6, 7)/ulnar N (C7, 8)
