Psoas major
Musculus psoas major
Flexes the hip and rotates the thigh outward.
About the psoas major of the pig
Psoas major is a muscle of the tail (tail), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus psoas major. You can turn it above, see it in place in the tail of the pig, 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
- Bodies and transverse processes of the lumbar vertebrae and the last ribs.
- Insertion
- Lesser trochanter of the femur.
- Action
- Flexes the hip and rotates the thigh outward.
- Nerve
- Ventral branches of the lumbar nerves and the femoral nerve.
Written for Vetomica in its own words from the standard reference anatomy of the pig; the books it was checked against are listed below.
Terminology
- English
- Psoas major
- Latin (NAV)
- Musculus psoas major
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the psoas major
- What is the Latin name of the psoas major?
- In the Nomina Anatomica Veterinaria, the psoas major is called Musculus psoas major.
- Where is the psoas major of the pig?
- Psoas major is a muscle of the tail (tail), one on each side of the body.
- Where does the psoas major originate and insert?
- Origin: Bodies and transverse processes of the lumbar vertebrae and the last ribs. Insertion: Lesser trochanter of the femur.
- What nerve supplies the psoas major?
- Ventral branches of the lumbar nerves and the femoral nerve.
- What does the psoas major do?
- Flexes the hip and rotates the thigh outward.
See the psoas major inside the whole pig.
Vetomica opens on this structure with every layer of the pig 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.
