| Muscle Function & Other Pertinent Medical Information |
| - DORSAL INTEROSSEI (FOOT)
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| 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
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| ACTION: |
Abduct 2nd , 3rd and 4th toes from axis of 2nd toe. Assist lumbricals in extending interphalangeal joints while flexing metatarsal phalangeal joints
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| NERVE: |
lateral plantar nerve (1-3: deep branch; 4: superficial branch) (S2, 3)
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