Long head of the triceps muscle of the arm
Musculus triceps brachii caput longum
Extends the elbow and flexes the shoulder; it keeps the elbow locked when the horse stands.
About the long head of the triceps muscle of the arm of the horse
Long head of the triceps muscle of the arm 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 triceps brachii caput longum. 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 scapula's hind edge.
- Insertion
- The olecranon tuber.
- Action
- Extends the elbow and flexes the shoulder; it keeps the elbow locked when the horse stands.
- Nerve
- 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
- Long head of the triceps muscle of the arm
- Latin (NAV)
- Musculus triceps brachii caput longum
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the long head of the triceps muscle of the arm
- What is the Latin name of the long head of the triceps muscle of the arm?
- In the Nomina Anatomica Veterinaria, the long head of the triceps muscle of the arm is called Musculus triceps brachii caput longum.
- Where is the long head of the triceps muscle of the arm of the horse?
- Long head of the triceps muscle of the arm is a muscle of the front leg (thoracic limb), one on each side of the body.
- Where does the long head of the triceps muscle of the arm originate and insert?
- Origin: The scapula's hind edge. Insertion: The olecranon tuber.
- What nerve supplies the long head of the triceps muscle of the arm?
- Radial nerve.
- What does the long head of the triceps muscle of the arm do?
- Extends the elbow and flexes the shoulder; it keeps the elbow locked when the horse stands.
See the long head of the triceps muscle of the arm 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.
