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Flexor Digitorum Longus
Region: Leg & Foot Muscles · All leg & foot muscles
Flexor Digitorum Longus at a glance
| Origin | Back surface of the tibia below the soleal line |
|---|---|
| Insertion | Bases of the distal phalanges of toes 2–5 |
| Actions | Curls the toes (flexes the toe joints); Helps point the foot downward and supports the arch |
| Nerve supply | Tibial nerve (S2–S3) |
◆ Good to know
Its tendon crosses the flexor hallucis longus tendon under the arch (the 'knot of Henry') on its way to the lesser toes.
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.