Gluteal Region Muscles Anatomy PDF

Gluteal Region Prof MTiryakioglu PhD Cutaneous Nerves Cluneal nerves superior clunial middle clunial inferior clunial Prof. Dr. H. Selçuk Sürücü Gluteus maximus m n O: Ileum posterior to the post. gluteal line, posterolateral aspect of sacrum & coccyx, sacro- tube...

Gluteal Region Prof MTiryakioglu PhD Cutaneous Nerves Cluneal nerves superior clunial middle clunial inferior clunial Prof. Dr. H. Selçuk Sürücü Gluteus maximus m n O: Ileum posterior to the post. gluteal line, posterolateral aspect of sacrum & coccyx, sacro- tuberal lig, gluteal fascia n I: Gluteal tuberosity & iliotibial tract n N: Inf gluteal n n F: Most powerful extensor of thigh. n Upper fibers abduct, lower fibers adduct thigh. Tenses fascia lata. Gluteus medius m n O: Lateral surface of ilium between the post & ant gluteal lines n I: Lateral aspect of greater trochanter n N: Sup gluteal n n F: Most powerful abductor of thigh. n Anterior fibers medially rotate & flex, posterior fibers laterally rotate & extend thigh  Trendelenburg Sign The lesion to the gluteus medius &gluteus minimus (sup gluteal n) Dipping of the pelvis on the good side Gluteus minimus m n O: Lateral surface of ilium between ant & inf gluteal lines n I: Upper part of greater trochanter n N: Sup gluteal n n F: Med rotation, abduction & flexion of the thigh Prof. Dr. H. Selçuk Sürücü Piriformis m n O: Anterolateral aspect of pelvic sacral foramina 2-4, sacrotuberal lig & articular capsule of sacroiliac j n I: Upper part of greater trochanter n N: Sacral plexus (L5 - S2) n F: Laterally rotates extended thigh, abducts flexed thigh Gemellus sup m n O: Dorsal surface of ischial spine n I: Joins obturator internus m & inserts to trochanteric fossa n N: Sacral plexus (L5 -S1) n F: Laterally rotates thigh Prof. Dr. H. Selçuk Sürücü Obturator internus m n O: Pelvic surface of obturator foramen & obturator memb n I: Traverses lesser sciatic foramen & inserts to trochanteric fossa n N: N to obturator internus (L5 - S1) n F: Laterally rotates thigh Gemellus inf m n O: Ischial tuberosity n I: Trochanteric fossa n N: Sacral plexus (L5 - S1) n F: Laterally rotates thigh Quadratus femoris m n O: Lateral aspect of ischial tuberosity n I: Intertrochanteric crest n N: N to quadratus femoris (L5 - S1) n F: Laterally rotates the thigh, assists adduction Obturator externus m n O: Lateral surface of obturator foramen & obturator memb n I: Trochanteric fossa n N: Posterior branch of obturator n (L3-4) n F: Laterally rotates thigh Suprapiriform foramen n Sup gluteal van Infrapiriform foramen n Inf gluteal van n Internal pudendal av n Pudendal n n Sciatic n n Posterior cutaneous n of thigh Lesser sciatic foramen n Internal pudendal a,v & pudendal n n Obturator internus m Prof. Dr. H. Selçuk Sürücü Arteries of the region Internal iliac a Prof. Dr. H. Selçuk Sürücü  Palpable Structures n Iliac crest n ASIS n PSIS n Ischial tuberosity n Greater trochanter n Median sacral crest n Coccyx Prof. Dr. H. Selçuk Sürücü