flexor hallucis longus

A deep muscle of the posterior compartment of the hindlimb that is innervated by the tibial nerve, arises from the fibula and insets in the distal phalanx of pedal digit 1. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the flexor hallucis longus is

A deep muscle of the posterior compartment of the hindlimb that is innervated by the tibial nerve, arises from the fibula and insets in the distal phalanx of pedal digit 1. The atlas records it as a muscle at the organ scale in the human body.

Where the flexor hallucis longus is

It sits in the lower limb, within the muscular system. Positioned deliberately as part of this species body plan.

What the flexor hallucis longus connects to

The atlas records 6 typed relationships for it, across 5 kinds of connection. part of leg.

Supply and innervation

Innervation: tibial nerve.

Also called

Also recorded as flexor hallucis longus muscle. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001392, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: leg.
• A kind of: flexor muscle and muscle of leg.
• Innervated by: tibial nerve.
• inserts into: distal phalanx of pedal digit 1.
• originates from: fibula.

Questions

Where is the flexor hallucis longus?

It sits in the lower limb, within the muscular system. Positioned deliberately as part of this species body plan.

What does the flexor hallucis longus connect to?

Part of: leg.

Is the flexor hallucis longus the same in other species?

Leumas holds the same relationship vocabulary for every species it carries, so where another dataset records this structure you can put the two side by side on /compare.