REGIO GLUTEALIS (GLUTEAL REGION)

  • Crena analis (intergluteal cleft )
  • Crena Ani (natal cleft )
  • Sulcus glutealis (gluteal fold)

buttocks-surface-anatomy.jpg buttocks-nerve-supply-quadrants.jpg buttocks-incision.jpg

buttocks-muscles-schematic.jpg

Muscle Origin Insertion Artery Nerve Action Antagonist
tensor fasciae latae ऊरु प्रावरणी तानिका iliac crest iliotibial tract primarily lateral circumflex femoral artery, superior gluteal artery superior gluteal nerve (L4, L5) flexes thigh, medially rotates thigh, stabilises torso
gluteal नितंबिका
     gluteus maximus बृहत् /महा नितंबिका gluteal surface of ilium, lumbar fascia, sacrum, sacrotuberous ligament gluteal tuberosity of femur, iliotibial tract superior gluteal artery, inferior gluteal artery inferior gluteal nerve (L5, S1, S2 nerve roots) externally rotates and extends hip joint, supports extended knee through iliotibial tract, chief antigravity muscle in sitting Iliacus, psoas major, psoas minor
     gluteus medius मध्य नितंबिका gluteal surface of ilium, under gluteus maximus greater trochanter of femur superior gluteal artery superior gluteal nerve (L4, L5, S1 nerve roots) abduction of hip; preventing adduction of hip Medial rotation of thigh lateral rotator group
     gluteus minimus लघु नितंबिका gluteal surface of ilium, under gluteus medius
lateral rotator group at or below acetabulum of ilium on or near greater trochanter of femur inferior gluteal artery, lateral sacral artery, superior gluteal artery obturator nerve, piriformis nerve, nerve to quadratus femoris laterally rotates hip gluteus minimus, gluteus medius
     piriformis तुम्बिका sacrum greater trochanter piriformis nerve (S1 and S2 nerve roots)[9] laterally rotates (outward) thigh
     obturator externus बाह्य गवाक्षिका obturator foramen and obturatory membrane medial surface of greater trochanter of femur obturator artery posterior branch of obturator nerve (L3, L4) adduct thigh, rotate laterally thigh
superior gemellus ischial spine nerve to obturator internus (L5, S1, S2)
     obturator internus आभ्यंतर गवाक्षिका ischiopubic ramus, obturator membrane medial surface of greater trochanter of femur abducts & rotates laterally thigh, stabilises hip during walking
     inferior gemellus ischial tuberosity obturator internus tendon nerve to quadratus femoris (L4, L5, S1) laterally rotates thigh
     quadratus femoris ऊरु चतुरस्रिका intertrochanteric crest inferior gluteal artery

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  • Last modified: 2023/03/08 11:13
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