moina glutes n thigh

• What is the origin of the Gluteus maximus muscle?


  Outer surface of ilium, sacrum, coccyx, and sacrotuberous ligament
• Where does the Gluteus maximus insert?

  Iliotibial tract and gluteal tuberosity of femur
• What is the nerve supply for the Gluteus maximus?

  Inferior gluteal nerve
• What actions does the Gluteus maximus perform?

  Extends and laterally rotates hip joint; extends knee joint through iliotibial tract
• What is the origin of the Gluteus medius muscle?

  Outer surface of ilium
• Where does the Gluteus medius insert?

  Lateral surface of greater trochanter of femur
• What is the nerve supply for the Gluteus medius?

  Superior gluteal nerve
• What is the action of the Gluteus medius?

  Abducts thigh at hip joint; tilts pelvis when walking to permit opposite leg to clear ground
• Where does the Gluteus minimus insert?

  Anterior surface of greater trochanter of femur
• What is the origin of the Gluteus minimus muscle?

  Outer surface of ilium
• What is the nerve supply for the Gluteus minimus?

  Superior gluteal nerve
• What is the action of the Gluteus minimus?

  Abducts thigh at hip joint; tilts pelvis when walking to permit opposite leg to clear ground
• What is the origin of the Tensor fasciae latae muscle?

  Iliac crest
• What action does the Tensor fasciae latae perform?

  Assists gluteus maximus in extending the knee joint
• What is the nerve supply for the Tensor fasciae latae?

  Superior gluteal nerve
• Where does the Tensor fasciae latae insert?

  Iliotibial tract
• What is the origin of the Piriformis muscle?

  Anterior surface of sacrum
• Where does the Piriformis insert?

  Upper border of greater trochanter of femur
• What is the nerve supply for the Piriformis?

  First and second sacral nerves
• What action does the Piriformis perform?

  Lateral rotator of thigh at hip joint
• What is the origin of the Obturator internus muscle?

  Inner surface of obturator membrane
• Where does the Obturator internus insert?

  Upper border of greater trochanter of femur
• What is the nerve supply for the Obturator internus?

  Sacral plexus
• What action does the Obturator internus perform?

  Lateral rotator of thigh at hip joint
• What is the origin of the Gemellus superior muscle?

  Spine of ischium
• Where does the Gemellus superior insert?

  Upper border of greater trochanter of femur
• What is the nerve supply for the Gemellus superior?

  Sacral plexus
• What action does the Gemellus superior perform?

  Lateral rotator of thigh at hip joint
• Where does the Gemellus inferior insert?

  Upper border of greater trochanter of femur
• What is the origin of the Gemellus inferior muscle?

  Ischial tuberosity
• What is the nerve supply for the Gemellus inferior?

  Sacral plexus
• What action does the Gemellus inferior perform?

  Lateral rotator of thigh at hip joint
• What is the origin of the Quadratus femoris muscle?

  Lateral border of ischial tuberosity
• Where does the Quadratus femoris insert?

  Quadrate tubercle of femur
• What is the nerve supply for the Quadratus femoris?

  Sacral plexus
• What action does the Quadratus femoris perform?

  Lateral rotator of thigh at hip joint
• What is the origin of the Sartorius muscle?

  Anterior superior iliac spine
• Where does the Sartorius insert?

  Upper medial surface of shaft of tibia
• What is the nerve supply for the Sartorius?

  Femoral nerve
• What actions does the Sartorius perform?

  Flexes, abducts, laterally rotates thigh at hip joint; flexes and medially rotates leg at knee joint