Muscle
Quadratus femoris
Strong lateral rotator
High-yield
Nerve to quadratus femoris (L4–S1); strong lateral rotator of the thigh.
Overview
A flat quadrangular muscle between the ischial tuberosity and femur that is a powerful lateral rotator of the hip.
Reference facts
- Origin
Lateral border of the ischial tuberosity
- Insertion
Quadrate tubercle on the intertrochanteric crest of the femur
- Action
Laterally rotates the thigh and steadies the femoral head
- Innervation
Nerve to quadratus femoris (L4, L5, S1)
- Blood supply
Medial femoral circumflex artery