NCIt definition : A group muscles in the sole of the foot that originate from the tendons of the flexor
digitorum longus muscle and attach to the medial bases of the proximal phalanges and
the extensor expansion of the second through fifth digits; they function to flex and
adduct the lateral four toes at the metatarsophalangeal joints and extend them at
the interphalangeal joints.;
Alternative definition : CDISC: A group of muscles in the sole of the foot that extend from the tendons of
the flexor digitorum longus muscle to the medial bases of the proximal phalanges and
the extensor expansion of the second through fifth digits; primary function is to
flex and adduct the lateral four toes at the metatarsophalangeal joints and extend
them at the interphalangeal joints.;