Lateral rotators Flashcards
Lateral rotators
piriformis
superior gemellus
obturator internus
inferior gemellus
quadratus femoris
obturator externus
piriformis origin
Anterior surface of sacrum
piriformis insertion
Greater trochanter of femur
piriformis action
Lateral rotation & abduction of thigh at hip jnt.
piriformis innervation
sacral plexus
Superior gemellus origin
Ischial spine
Superior gemellus insertion
Greater trochanter of femur
Superior gemellus action
Lateral rotation & abduction of thigh at hip jnt.
Superior gemellus innervation
lumbosacral plexus
Obturator internus origin
Inner surface of obturator foramen, pubis & ischium
Obturator internus insertion
Greater trochanter of femur
Obturator internus action
Lateral rotation & abduction of thigh at hip jnt.
Obturator internus innervation
Lumbosacral
plexus
inferior gemellus origin
Ischial tuberosity
inferior gemellus insertion
Greater trochanter of femur
inferior gemellus action
Lateral rotation & abduction of thigh at hip jnt.
inferior gemellus innervation
Lumbosacral
plexus
Quadratus femoris origin
Ischial tuberosity
Quadratus femoris insertion
Quadrate
tubercle of femur
Quadratus femoris action
Lateral rotation of thigh at hip jnt.
Quadratus femoris innervation
Lumbosacral
plexus
Obturator externus origin
Outer surface of obturator foramen & membrane
Obturator externus insertion
Trochanteric fossa of femur
Obturator externus action
Lateral rotation & abduction of thigh at hip jnt.
Obturator externus innervation
Obturator n.
