Fig. 1. Showing accessory muscle of right flexor compartment of the forearm with half belly and half tendon. AcM, Accessory muscle; FDP, flexor digitorum profundus; FPL, flexor pollicis longus; FR, flexor retinaculum; CT, carpal tunnel; AcMTn, accessory muscle tendon; 1st LB, first lumbrical; Br-MN, branch of median nerve.
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