Dorsal interossei (foot)

Dr Geon Oh et al.

The four dorsal interossei muscles are the most superior muscles in the sole of the foot and abduct the second to fourth toes relative to the long axis through the second toe.

Summary

  • origin:
    • sides of metatarsals of toes I to V
  • insertion:
    • extensor hoods and bases of proximal phalanges of toes II to IV
  • action:
    • abduction of toes II to IV at metatarsophalangeal joints; resist extension of metatarsophalangeal joints and flexion of interphalangeal joints
  • innervation:


Lower limb anatomy
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Article Information

rID: 44463
Section: Anatomy
Synonyms or Alternate Spellings:

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