muscle: quadratus femoris

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Linkmap

Muskeln Gluteus maximus Obturator internus Adductor magnus Gracilis Semimembranosus Semitendinosus Gastrocnemius Gluteus medius Gluteus minimus Piriformis Gemellus superior Gemellus inferior Obturator externus Quadratus femoris Adductor magnus Gluteus maximus Biceps femoris Quadrizeps (vastus lateralis) Biceps femoris Gastrocnemius Popliteus Semitendinosus Semimembranosus Gracilis Sartorius

M. quadratus femoris

When contracted, the quadratus femoris lifts the sciatic nerve running above it, preventing it from becoming trapped between the greater trochanter and the ischial tuberosity.
Origin: ischial t uberosity (outer ischium)
Attachment: Crista intertrochanterica of the inner upper femur
Innervation: Nervus musculi quadrati femoris from Plexus sacralis from L5-S2
Antagonists:
Movement: Exorotation (second strongest exorotator after the gluteus maximus when the knee joint is widely extended), abduction in the hip joint