Lateral ulnar muscle

Musculus ulnaris lateralis

  • Muscle
  • Front leg
  • Paired: left and right
  • Horse

Flexes the carpus and extends the elbow.

About the lateral ulnar muscle of the horse

Lateral ulnar muscle is a muscle of the front leg (thoracic limb), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus ulnaris lateralis. You can turn it above, see it in place in the front leg of the horse, and open it inside the whole animal in Vetomica.

Where it runs from and to

A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.

Origin
The lateral epicondyle of the humerus.
Insertion
The accessory carpal bone and the proximal end of the fourth metacarpal.
Action
Flexes the carpus and extends the elbow.
Nerve
The radial nerve.

Written for Vetomica in its own words from the standard reference anatomy of the horse; the books it was checked against are listed below.

Terminology

English
Lateral ulnar muscle
Latin (NAV)
Musculus ulnaris lateralis
Status
A valid term in the Nomina Anatomica Veterinaria

Questions about the lateral ulnar muscle

What is the Latin name of the lateral ulnar muscle?
In the Nomina Anatomica Veterinaria, the lateral ulnar muscle is called Musculus ulnaris lateralis.
Where is the lateral ulnar muscle of the horse?
Lateral ulnar muscle is a muscle of the front leg (thoracic limb), one on each side of the body.
Where does the lateral ulnar muscle originate and insert?
Origin: The lateral epicondyle of the humerus. Insertion: The accessory carpal bone and the proximal end of the fourth metacarpal.
What nerve supplies the lateral ulnar muscle?
The radial nerve.
What does the lateral ulnar muscle do?
Flexes the carpus and extends the elbow.

See the lateral ulnar muscle inside the whole horse.

Vetomica opens on this structure with every layer of the horse around it: peel back the skin and the muscles, cut a section through it, X-ray it, and practise naming it until you stop getting it wrong.

Free for 7 days, no card. After that the skeletons stay free.

Join the community