NCIt related terms : LUMBRICAL MUSCLES OF THE HAND;
NCIt definition : One of a group of four short muscles in the hand that originate on the radial and
ulnar sides of the tendons of the flexor digitorum profundus and insert in the radial
lateral band of the extensor expansion tendon; they are involved in the extension
of the proximal and distal interphalangeal joints, and are supplied by the median
and ulnar nerves and the palmar metacarpal arteries.;
Alternative definition : CDISC: One of a group of four short muscles in the hand that extend from the radial
and ulnar sides of the tendons of the flexor digitorum profundus to the radial lateral
band of the extensor expansion tendon; primary function is extension of the proximal
and distal interphalangeal joints.;