Structures

  • Dorsal interossei
  • Plantar interossei
MuscleActionOriginInsertionInnervationBlood supply
Dorsal interossei- Abduction of toes 2-4
- Flexion of interphalangeal joints
- Sides of adjacent metatarsals- Dorsal bases of proximal phalanges of toes 2-4- Lateral plantar nerve from tibial nerve : S2,3- Dorsalis metatarsal artery
Plantar interossei- Adduction of toes 3-5 at metatarsophalangeal joints
- Resist extension of the metatarsophalangeal joints
- Flexion of the interphalangeal joints
- Medial sides of metatarsals of toes 2-5- Dorsal bases of proximal phalanges of toes 3-5- Lateral plantar nerve from tibial nerve : S2,3- Plantar metatarsal artery