Anatomy of Superior and Inferior Gemelli Muscles
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Questions and Answers

What is the action of the Superior & Inferior gemelli muscles?

  • Abduction of the thigh
  • Medial rotation of the thigh
  • Adduction of the thigh
  • Lateral rotation of the thigh (correct)
  • Where does the Quadratus femoris muscle originate from?

  • Ischial tuberosity (correct)
  • Sacrum
  • Greater trochanter
  • Femur
  • Which ligament supports the pelvic joint and increases its stability?

  • Sacrospinous ligament
  • Iliolumbar ligament
  • Sacrotuberous ligament (correct)
  • Sacroiliac ligament
  • To where does the tendon of the Superior gemellus muscle insert?

    <p>Greater trochanter</p> Signup and view all the answers

    Which nerve supplies the Inferior gemellus muscle?

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

    What is the function of the Quadratus femoris muscle?

    <p>Lateral rotation of the thigh</p> Signup and view all the answers

    Which muscle is the thickest and most superficial in the gluteal region?

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

    What is the main action of the gluteus maximus muscle?

    <p>Extension of the hip joint</p> Signup and view all the answers

    Which nerve supplies the gluteus maximus muscle?

    <p>Inferior gluteal nerve</p> Signup and view all the answers

    How many large gluteal muscles are there in the gluteal region?

    <p>Three</p> Signup and view all the answers

    Which muscle in the gluteal region acts as the main extensor of the hip joint from an extreme flexion position?

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

    Which part of the gluteus maximus inserts into the gluteal tuberosity?

    <p>Deep ¼</p> Signup and view all the answers

    Which nerve arises from the sacral plexus and supplies the gluteus maximus muscle only?

    <p>Inferior gluteal nerve</p> Signup and view all the answers

    Where does the superior gluteal nerve pass through in relation to the piriformis muscle?

    <p>Above the piriformis</p> Signup and view all the answers

    Which nerve descends beneath the deep fascia of the thigh with the long head of biceps and supplies various regions including the back of the thigh?

    <p>Posterior cutaneous nerve of thigh</p> Signup and view all the answers

    Which nerve is the largest in the body?

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

    What is the course of the sciatic nerve in the thigh?

    <p>It descends vertically in the midline of the back of the thigh</p> Signup and view all the answers

    Which nerve is found in superficial relations with the gluteus maximus and posterior cutaneous nerve of the thigh?

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

    Which muscle is responsible for abduction of the hip joint?

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

    Where does the gluteus minimus insert?

    <p>Anterior border of iliotibial tract</p> Signup and view all the answers

    What is the primary action of tensor fasciae latae?

    <p>Support the iliotibial tract</p> Signup and view all the answers

    Which nerve supplies the piriformis muscle?

    <p>Superior gluteal nerve</p> Signup and view all the answers

    What is the origin of piriformis muscle?

    <p>Front of the sacrum</p> Signup and view all the answers

    Which nerve lies above the piriformis muscle?

    <p>Superior gluteal nerve</p> Signup and view all the answers

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