Psoas Minor
Muscular System
The psoas minor is a small, weak muscle with a short belly and long tendon lying in front of the psoas major; it is absent in about 40–50 percent of people.
Attachments and Innervation
- Origin: the bodies of T12 and L1.
- Insertion: the iliopectineal eminence and pectineal line of the pelvis; unlike the psoas major, it does not reach the femur.
- Nerve: the anterior ramus of L1.
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