Medword.com





Human Anatomy: Muscle Groups


Human Anatomy



<> Return To Muscle Groups Menu <>

Muscle Function & Other Pertinent Medical Information
- DORSAL INTEROSSEI (FOOT) -
ORIGIN: Bipennate from inner aspects of shafts of all metatarsals
INSERTION: Bases of proximal phalanges and dorsal extensor expansions of medial side of 2nd toe and lateral sides of 2nd , 3rd and 4th toes
ACTION: Abduct 2nd , 3rd and 4th toes from axis of 2nd toe. Assist lumbricals in extending interphalangeal joints while flexing metatarsal phalangeal joints
NERVE: lateral plantar nerve (1-3: deep branch; 4: superficial branch) (S2, 3)













[Home]   [About]   [Contact Us]   [Privacy]   [Site Terms]   
[Norton Safe Site]
Comodo Trusted Site Seal
SSL Certificate