Name
Pronunciation
(kwod-RA-tus fe-MOR-us)
Origin/Proximal Attachment
Lateral aspect of ischial tuberosity
Insertion/Distal Attachment
Quadrate line (along posterior aspect of femur & intertrochanteric crest)
Action/Relevance
Externally rotates the thigh
Innervation
Nerve to quadratus femoris (L4, 5,S1)
Notes
A flat quadrilateral muscle.
Lies between gemellus inferior and upper border of adductor magnus.
Passes posteriorly to the hip joint and femoral neck separated from the neck by obturator externus.
A bursa may be present between the muscle and the lesser trochanter.