Gluteal Region Anatomy

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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 (D)</p> Signup and view all the answers

Through which foramen does the obturator internus muscle pass?

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

Which muscle is the strongest lateral rotator of the thigh?

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

What is the action of the obturator externus muscle?

<p>Adductor and lateral rotator of the thigh (B)</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 (D)</p> Signup and view all the answers

Which nerve innervates the gemellus superior muscle?

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

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

<p>Sciatic nerve (B)</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 (D)</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 (B)</p> Signup and view all the answers

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

<p>Sciatic nerve (B)</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 (A)</p> Signup and view all the answers

What is the innervation of Gluteus Minimus Muscle?

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

What is the insertion of Piriformis Muscle?

<p>Border of greater trochanter (B)</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 (D)</p> Signup and view all the answers

Which muscle forms the ligamentum politium obliquum?

<p>Semimembranosus muscle (C)</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 (C)</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 (D)</p> Signup and view all the answers

What is the origin of Obturator Internus Muscle?

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

Which muscle does not attach to trochanter major of femur?

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

Which muscle passes through greater sciatic foramen?

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

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