Gluteal Region Anatomy
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Gluteal Region Anatomy

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@RoomyPoincare

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Questions and Answers

Which muscle has its insertion on the quadrate tubercle of the femur?

  • Quadratus femoris muscle (correct)
  • Piriformis muscle
  • Gemellus inferior muscle
  • Obturator externus muscle

    • Which nerve innervates the obturator internus muscle?

  • Nerve to obturator internus (correct)
  • Lumbosacral trunk
  • Nerve to quadratus femoris
  • Sciatic nerve

    • Which muscle has its origin on the lateral margin of the ischial tuberosity?

  • Piriformis muscle
  • Gemellus superior muscle
  • Obturator externus muscle
  • Quadratus femoris muscle (correct)

    • Which of the following muscles is NOT a lateral rotator of the thigh?

    <p>Obturator externus muscle</p> Signup and view all the answers

    Through which foramen does the obturator internus muscle pass?

    <p>Lesser sciatic foramen</p> Signup and view all the answers

    Which muscle is the strongest lateral rotator of the thigh?

    <p>Quadratus femoris muscle</p> Signup and view all the answers

    What is the origin of the short head of the biceps femoris muscle?

    <p>Lateral lip of linea aspera</p> Signup and view all the answers

    What is the action of the obturator externus muscle?

    <p>Adductor and lateral rotator of the thigh</p> Signup and view all the answers

    What is the name of the conjoined tendons of the semitendinosus, sartorius, and gracilis muscles?

    <p>Pes anserinus</p> Signup and view all the answers

    Which nerve innervates the gemellus superior muscle?

    <p>Nerve to obturator internus</p> Signup and view all the answers

    What is the main nerve of the posterior compartment of the thigh?

    <p>Sciatic nerve</p> Signup and view all the answers

    What is the origin of Gluteus Maximus Muscle?

    <p>Area of ilium located posterior to its posterior gluteal line</p> Signup and view all the answers

    What is the action of Gluteus Medius Muscle?

    <p>Medially rotates and abducts thigh at hip joint and pulls the pelvis towards leg on the floor during walking</p> Signup and view all the answers

    Which muscle is superficially covered by the long head of the biceps femoris?

    <p>Sciatic nerve</p> Signup and view all the answers

    Which artery supplies the blood to the structures in the posterior compartment of the thigh?

    <p>Both A and C</p> Signup and view all the answers

    What is the innervation of Gluteus Minimus Muscle?

    <p>N.gluteus superior</p> Signup and view all the answers

    What is the insertion of Piriformis Muscle?

    <p>Border of greater trochanter</p> Signup and view all the answers

    What is the insertion point of the semimembranosus muscle?

    <p>Upper part of the medial condyle of tibia</p> Signup and view all the answers

    Which muscle forms the ligamentum politium obliquum?

    <p>Semimembranosus muscle</p> Signup and view all the answers

    What is the action of Piriformis Muscle?

    <p>Laterally rotates extended thigh, abduct flexed thigh, steady femoral head in acetabulum</p> Signup and view all the answers

    What is the border of the popliteal fossa formed by the semimembranosus and semitendinosus muscles?

    <p>Superior medially</p> Signup and view all the answers

    What is the origin of Obturator Internus Muscle?

    <p>Internal surface of obturator membrane and adjacent bones</p> Signup and view all the answers

    Which muscle does not attach to trochanter major of femur?

    <p>Gluteus Maximus</p> Signup and view all the answers

    Which muscle passes through greater sciatic foramen?

    <p>Piriformis Muscle</p> Signup and view all the answers

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