sartorius muscle

The Sartorius muscle - the longest muscle in the human body - is a long thin muscle that runs down the length of the thigh. Its upper portion forms the lateral border of the femoral triangle. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the sartorius muscle is

The Sartorius muscle - the longest muscle in the human body - is a long thin muscle that runs down the length of the thigh. Its upper portion forms the lateral border of the femoral triangle. The atlas records it as a muscle at the organ scale in the human body.

Where the sartorius muscle is

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

What the sartorius muscle connects to

The atlas records 4 typed relationships for it, across 4 kinds of connection. a kind of muscle organ.

Supply and innervation

Innervation: femoral nerve.

Also called

Also recorded as sartorius, M. sartorius, ambliens and musculus sartorius. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001373, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• A kind of: muscle organ.
• Innervated by: femoral nerve.
• inserts into: pes anserinus of tibia.
• originates from: ilium.

Questions

Where is the sartorius muscle?

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

What does the sartorius muscle connect to?

A kind of: muscle organ.

Is the sartorius muscle 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.