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Lateral Rotator & Gluteal groups
muscles
45
Anatomy
Undergraduate 2
03/22/2017

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Cards

Term
Piriformus Origin
Definition
  • anterior surface of 2nd - 4th sacral segments
  • superior margins of greater sciatic notch and sacrotuberous ligament
Term
Piriformis Insertion
Definition
superior border of greater trochanter of femur
Term
Piriformis Nerve Innervation
Definition
anterior rami of S1 and S2
Term
Piriformis Action
Definition
laterally rotate extended thigh
Term
Piriformis Blood supply
Definition
  • superior and inferior gluteal arteries
  • internal pudendal artery
Term
Gemellus Superior Origin
Definition
ischial spine
Term
Gemellus Superior Insertion
Definition
medial surface of greater trochanter of femur by common tendon
Term
Gemellus Superior Nerve Innervation
Definition
nerve to obturator internus
Term
Gemellus Superior Action
Definition
laterally rotate extended thigh
Term
Gemellus Superior blood supply
Definition
inferior gluteal artery
Term
Obturator Internus Origin
Definition
  • pelvic surface of ilium and ischiam
  • obturator membrane
Term
Obturator Internus Insertion
Definition
medial surface of greater trochanter of femur by common tendon
Term
Obturator Internus Nerve Innervation
Definition
nerve to obturator internus
Term
Obturator Internus Action
Definition
laterally rotate extended thigh
Term
Obturator Internus blood supply
Definition
  • superior and inferior gluteal artery
  • internal pudendal artery
Term
Gemellus Inferior Origin
Definition
ischial tuberosity
Term
Gemellus Inferior Insertion
Definition
medial surface of greater trochanter of femur by common tendon
Term
Gemellus Inferior Nerve Innervation
Definition
nerve to quadratus femoris
Term
Gemellus Inferior Action
Definition
laterally rotate extended thigh
Term
Gemellus Inferior Blood supply
Definition
inferior gluteal artery
Term
obturator externus origin
Definition
margins of obturator foramen and obturator membrane
Term
obturator externus insertion
Definition
trochanteric fossa of femur
Term
obturator externus Nerve innervation
Definition
obturator nerve
Term
obturator externus action
Definition
laterally rotate thigh
Term
obturator externus blood supply
Definition
  • obturator artery
  • medial circumflex femoral artery
Term
quadratus femoris origin
Definition
lateral border of ischial tuberosity
Term
quadratus femoris insertion
Definition
quadrate tubercle of intertrochanteric crest of femur
Term
quadratus femoris nerve innervation
Definition
nerve to quadratus femoris
Term
quadratus femoris action
Definition
laterally rotate thigh
Term
quadrate femoris blood supply
Definition
  • lateral circumflex femoral artery
  • inferior gluteal artery
Term
Gluteus Maximus Origin
Definition
  • ilium 
  • dorsal surface of sacrum and coccyx
  • sacrotuberous ligament
Term
Gluteus Maximus Insertion
Definition
  • iliotibial tract
  • gluteal tuberosity
Term
Gluteus Maximus Nerve Innervation
Definition
inferior gluteal nerve
Term
Gluteus Maximus Action
Definition
extension at hip
Term
Gluteus Maximus Blood supply
Definition
  • superior and inferior gluteal arteries
  • deep femoral artery
Term
Gluteus Medius Origin
Definition
external surface of ilium between anterior and posterior gluteal lines
Term
Gluteus Medius Insertion
Definition
lateral surface of greater trochanter of femur
Term
Gluteus Medius Nerve Innervation
Definition
superior gluteal nerve
Term
Gluteus Medius Action
Definition
adduction of thigh
Term
gluteus medius blood supply
Definition
superior gluteal artery
Term
gluteus minimus origin
Definition
external surface of ilium between anterior and inferior gluteal lines
Term
gluteus minimus insertion
Definition
anterior surface of greater trochanter of femur
Term
gluteus minimus nerve innervation
Definition
superior gluteal nerve
Term
gluteus minimus action
Definition
adduction of thigh
Term
gluteus minimus blood supply
Definition
superior gluteal artery
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