Pelvic region muscles

• What is this muscle ?

  gluteus Maximus

  
• origin of gluteus Maximus ?

  Area of ilium located posterior to its posterior gluteal line, posterior aspects of sacrum and coccyx, and sacrotuberous ligament.
• insertion of gluteus max?

  Tubercle of iliotibial tract on the tibia, via iliotibial tract and gluteal tuberosity of femur
• actions of gluteus max?

  Extends, laterally rotates, and abducts thigh at hip joint
• motor nerve supply of gluteus max?

  Inferior gluteal nerve (L5-S2).
• what is this muscle ?

  gluteus medius

  
• origin of gluteus med?

  Area of ilium located between anterior and posterior gluteal lines.
• insertion of gluteus med ?

  Lateral aspect of greater trochanter of femur.
• actions of gluteus med?

  Medially rotates and abducts thigh at hip joint.
• motor nerve supply of gluteus med?

  Superior gluteal nerve (L5-S1).
• what is gluteus medius deep to?

  Gluteus maximus, and is covered by deep fascia
• what is this muscle ?

  gluteus minimus

  
• origin of gluteus minimus?

  Area of ilium located between anterior and inferior gluteal lines.
• insertion of glut minimus ?

  Anterolateral aspect of greater trochanter of femur.
• actions of glut minimus ?

  Medially rotates and abducts thigh at hip joint.
• motor nerve supply of gluteus minimus?

  Superior gluteal nerve (L5-S1)
• what is glut minimus covered by ?

  gluteus medius
• what are the 6 lateral hip rotators ?

  • piriformis
  • gemellus superior
  • obturator internus
  • gemellus inferior
  • obturator externus
  • Quadratus Femoris
• what is this muscLe ?

  piriformis

  
• origin of piriformis ?

  Pelvic surface of sacrum and sacrotuberous ligament.
• insertion of piriformis ?

  Superior border of greater trochanter of femur.
• actions of piriformis ?

  Laterally rotates and transversely abducts thigh at hip joint
• motor nerve supply of piriformis ?

  Nerve to piriformis (S1-S2) And sciatic nerve
• what is this muscle?

  Gemellus superior

  
• origin of gemellus superior ?

  Ischial spine
• insertion of Gemellus superior ?

  Medial aspect of greater trochanter of femur.
• actions of gemellus superior ?

  Laterally rotates and transversely abducts thigh at hip joint.
• motor nerve supply of gemellus superior ?

  Nerve to obturator internus (L5-S2).
• what is this muscle ?

  obturaor internus

  
• origin of Obturator internus ?

  Internal surface of obturator membrane and adjacent bones
• insertion of Obturator internus ?

  Medial aspect of greater trochanter of femur.
• actions of obturator internus ?

  Laterally rotates and transversely abducts thigh at hip joint.
• motor nerve supply of obturator internus?

  Nerve to obturator internus (L5-S1).
• what is this muscle ?

  gemellus inferior

  
• origin of gemellus inferior ?


  ischial tuberosity
• insertion of gemellus inferior ?


  Medial aspect of greater trochanter of femur.
• actions of gemellus inferior ?

  Laterally rotates and transversely abducts thigh at hip joint.
• motor nerve supply of gemellus inferior ?

  Nerve to quadratus femoris (L5-S1).
• what is this muscle ?

  Obturator externus

  
• origin of obturator externus ?


  External surface of obturator membrane and adjacent bones.