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Gluteus medius
O: Adjacent fascia; crest of the ilium; lateral surface of the ilium; transverse process of the last sacral and first caudal vertebrae
I: Strong tendon on the great trochanter of the
femur
A: abducts thigh
Gluteus maximus
O: Fascia; transverse process of the last sacral and first caudal vertebrae
I: Fascia lata; greater trochanter of the femur
A: Abducts thigh (In common with gluteus medius)
Biceps femoris
O: the Ischium
I: Patella and tibia (via a tendon); fascia of the shank
A: Abducts thigh; flex the shank
semimembranosus
O: ischium, lower or back part of the hip bone
I: Medial epicondyle of femur; proximal end of tibia
A: Extend the thigh