label: Flexor Digitorum Superficialis Muscle
label_lc: flexor digitorum superficialis muscle
description: "A muscle that originates in the humeroulnar and radial heads of the forearm and inserts in the middle phalanges of the second through fifth digits of the hand; it is primarily involved in the flexion of the fingers at the proximal interphalangeal joints and is supplied by the median nerve and the ulnar artery."