Lateral Rotation of the Hip Flashcards
Piriformis (origin)
anterior surface of sacrum
Piriformis (insertion)
greater trochanter of femur
Piriformis (action)
lateral rotation of hip, IF knee flexed then aBDduction of thigh
Piriformis (innervation)
sacral nerves 1-2
Piriformis (blood supply)
inferior branch of lateral sacral artery
Obturator internus (origin)
obturator membrane, bone around obturator foramen
Obturator internus (insertion)
medial surface of greater trochanter
Obturator internus (action)
lateral rotation of hip, IF hip flexed then aBDuction of thigh
Obturator internus (innervation)
nerve to obturator internus
Obturator internus (blood supply)
obturator artery
Superior gemellus (origin)
ischial spine
Superior gemellus (insertion)
superior border of obturator internus tendon
Superior Gemellus (action)
lateral rotation of hip, IF hip flexed then aBDuction of thigh
Superior gemellus (innervation)
nerve to obturator internus
Superior gemellus (blood supply)
interal pudendal artery