Preferred Label : Dorsal Hand Interosseous Muscle;
NCIt definition : Four muscles in the hand between the metacarpal bones originating on the radial side
of the metacarpal as well as the ulnar side of the previous metacarpal. The second
and third interosseous muscles are inserted into the third proximal phalanx while
the first is inserted into the second proximal phalanx and the fourth is inserted
into the fourth proximal phalanx. These muscles act to abduct the fingers away from
the middle finger.;