extensor carpi ulnaris muscle in dogs

Extensor carpi ulnaris is a muscle located in the forearm that acts to extend and adduct the wrist. Being an extensor muscle, extensor carpi ulnaris is on the posterior side of the forearm. [WP]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the extensor carpi ulnaris muscle is

Extensor carpi ulnaris is a muscle located in the forearm that acts to extend and adduct the wrist. Being an extensor muscle, extensor carpi ulnaris is on the posterior side of the forearm. [WP]. The atlas records it as a muscle at the organ scale in the dog.

Where the extensor carpi ulnaris muscle is

It sits in the forelimb, within the muscular system. Only the region is known. The position shown is somewhere plausible inside it and nothing more.

What the extensor carpi ulnaris muscle connects to

The atlas records 4 typed relationships for it, across 3 kinds of connection. part of forelimb zeugopod.

Supply and innervation

Innervation: radial nerve.

Also called

Also recorded as ECU muscle, extensor carpi ulnaris and musculus extensor carpi ulnaris. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001526, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: forelimb zeugopod.
• A kind of: extensor muscle and forelimb zeugopod muscle.
• Innervated by: radial nerve.

Questions

Where is the extensor carpi ulnaris muscle?

It sits in the forelimb, within the muscular system. Only the region is known. The position shown is somewhere plausible inside it and nothing more.

What does the extensor carpi ulnaris muscle connect to?

Part of: forelimb zeugopod.

Is the extensor carpi ulnaris muscle the same in other species?

This page describes the dog. The human record of the same structure sits beside it on /compare, over one shared model rather than two atlases built separately.