1nd & 2nd lumbricals innervated by median nerve. 3rd & 4th lumbicals innervated by ulnar nerve
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Which of the following unipennate muscles takes its origin on the radial side of the profundus tendon, inserts on the radial lateral band at the middle phalanx, and creates a force vector that is palmar to the joint axis of the metacarpophalangeal joint?
1st dorsal interosseous
4th dorsal interosseous
4th palmar interosseous
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