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Dorsal Interossei (Foot)
Region: Leg & Foot Muscles · All leg & foot muscles
Dorsal Interossei (Foot) at a glance
| Origin | Adjacent sides of the metatarsals (two heads each) |
|---|---|
| Insertion | Bases of the proximal phalanges and extensor expansions of toes 2–4 |
| Actions | Spread the toes apart (around the second toe's axis) |
| Nerve supply | Lateral plantar nerve (S2–S3) |
More Leg & Foot Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.