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
Inferior gemellus (origin)
ischial tuberosity
Inferior gemellus (insertion)
interior surface of obturator internus tendon
Inferior gemellus (action)
lateral rotation of hip, IF hip flexed then aBDuction of thigh
Inferior gemellus (innervation)
nerve to quadratus femoris
Inferior gemellus (blood supply)
medial circumflex femoral artery
Obturator externus (origin)
obturator membrane, bone around obturator foramen
Obtrurator externus (insertion)
trochanteric fossa of femur
Obturator externus (action)
lateral rotation of hip
Obturator externus (innervation)
obturator nerve
Obturator externus (blood supply)
obturator artery
