Lesser teres muscle
Musculus teres minor
To flex the shoulder joint and to abduct the arm; also to assist in outward rotation.
About the lesser teres muscle of the horse
Lesser teres 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 teres minor. 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
- (1) The rough lines on the distal and posterior part of the infraspinous fossa; (2) a small part of the posterior border of the scapula, about its middle; (3) a tubercle near the rim of the glenoid cavity.
- Insertion
- The deltoid tuberosity and a small area just above it.
- Action
- To flex the shoulder joint and to abduct the arm; also to assist in outward rotation.
- Nerve
- The axillary 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
- Lesser teres muscle
- Latin (NAV)
- Musculus teres minor
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the lesser teres muscle
- What is the Latin name of the lesser teres muscle?
- In the Nomina Anatomica Veterinaria, the lesser teres muscle is called Musculus teres minor.
- Where is the lesser teres muscle of the horse?
- Lesser teres muscle is a muscle of the front leg (thoracic limb), one on each side of the body.
- Where does the lesser teres muscle originate and insert?
- Origin: (1) The rough lines on the distal and posterior part of the infraspinous fossa; (2) a small part of the posterior border of the scapula, about its middle; (3) a tubercle near the rim of the glenoid cavity. Insertion: The deltoid tuberosity and a small area just above it.
- What nerve supplies the lesser teres muscle?
- The axillary nerve.
- What does the lesser teres muscle do?
- To flex the shoulder joint and to abduct the arm; also to assist in outward rotation.
See the lesser teres 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.
