extensor carpi radialis brevis muscle

The Extensor carpi radialis brevis is shorter and thicker than the extensor carpi radialis longus. The longus muscle can be found above the distal end of the Extensor carpi radialis brevis. [WP,unvetted]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the extensor carpi radialis brevis muscle is

The Extensor carpi radialis brevis is shorter and thicker than the extensor carpi radialis longus. The longus muscle can be found above the distal end of the Extensor carpi radialis brevis. [WP,unvetted]. The atlas records it as a muscle at the organ scale in the human body.

Where the extensor carpi radialis brevis muscle is

It sits in the upper limb, within the muscular system. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.

What the extensor carpi radialis brevis muscle connects to

The atlas records 7 typed relationships for it, across 5 kinds of connection. part of forelimb zeugopod.

Supply and innervation

Innervation: radial nerve.

Also called

Also recorded as extensor carpi radialis brevis and musculus extensor carpi radialis brevis. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001525, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: forelimb zeugopod.
• A kind of: extensor muscle, forelimb zeugopod muscle and muscle of shoulder.
• Innervated by: radial nerve.
• inserts into: metacarpal bone of digit 3.
• originates from: ectepicondyle of humerus.

Questions

Where is the extensor carpi radialis brevis muscle?

It sits in the upper limb, within the muscular system. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.

What does the extensor carpi radialis brevis muscle connect to?

Part of: forelimb zeugopod.

Is the extensor carpi radialis brevis 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.