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Psoas Major: Difference between revisions
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|action=Stabiliser and flexor of the hip, lateral flexion of the trunk. | |action=Stabiliser and flexor of the hip, lateral flexion of the trunk. | ||
|antagonists=Gluteus Maximus | |antagonists=Gluteus Maximus | ||
| | |peripheral innervation=Anterior primary rami of L1-3 nerves (mainly L2) | ||
|spinal innervation=L1, L2, L3 | |||
|blood supply=lumbar arteries, iliolumbar artery, deep circumflex iliac artery, external iliac artery, femoral artery | |blood supply=lumbar arteries, iliolumbar artery, deep circumflex iliac artery, external iliac artery, femoral artery | ||
}} | }} | ||
== Lesion Effect == | |||
Loss of pelvic swing on walking. | |||
{{Muscles of the Hip and Lower Limb|state=collapsed}} | {{Muscles of the Hip and Lower Limb|state=collapsed}} | ||
{{Muscles of the abdomen|state=collapsed}} | |||
Latest revision as of 19:56, 23 April 2022
This article is a stub.
| |
| Psoas Major | |
|---|---|
| Muscle Type | |
| Origin | Transverse processes of L1-5, bodies of T12-L5 and intervertebral discs below bodies of T12-L5 |
| Insertion | Middle surface of lesser trochanter of femur |
| Action | Stabiliser and flexor of the hip, lateral flexion of the trunk. |
| Synergists | |
| Antagonists | Gluteus Maximus |
| Spinal innervation | L1, L2, L3 |
| Peripheral Innervation | Anterior primary rami of L1-3 nerves (mainly L2) |
| Vasculature | lumbar arteries, iliolumbar artery, deep circumflex iliac artery, external iliac artery, femoral artery |
Lesion Effect
Loss of pelvic swing on walking.
