Gluteal Region Flashcards
Greater Sciatic Foramen
forming structures and what exits
Formed by Greater Sciatic Notch and Sacrotuberous L.
Gluteal neurovascular bundles Piriformis M Sciatic N Posterior Femoral Cutaneous N Pudendal/Internal Pudendal A Obturator Internus/Superior Gemellus N
Lesser Sciatic Foramen
forming structures and what enters/exits
Sacrospinous L and Sacrotuberous L
Pudendal N. (enters)
Internal Pudendal A (enters)
Obturator Internus/Superior Gemellus N (enters)
Obturator Internus M (exits)
Cluneal Nerves
Cutaneous innervation of butt
Superior Cluneal N. (S1-S3 dorsal rami)
Middle Cluneal N. (S1-S3 dorsal rami)
Inferior Cluneal N. (S1-S3 ventral rami)
Superior Gluteal Nerve
L4-S1 roots
Innervates Gluteus Medius, Gluteus Minimus and Tensor Fascia Lata Ms.
Inferior Gluteal Nerve
L5-S2 roots
Innervates Gluteus Maximus
Gluteus Maximus Muscle
Extends thigh and Flexes leg (with TFL)
Inferior Gluteal N.
Superficial branch of Superior Gluteal A.
Inferior Gluteal A.
Gluteus Medius Muscle
Abducts and medially rotates thigh
Superior Gluteal N.
Deep branch of Superior Gluteal A.
Gluteus Minimus Muscle
Abducts and medially rotates thigh
Superior Gluteal N.
Deep branch of Superior Gluteal A.
Tensor Fascia Lata Muscle
Flexes, medially rotates and abducts thigh
Also extends leg (with Gluteus Maximus)
Superior Gluteal N.
Deep branch of the Superior Gluteal A.
Piriformis Muscle
Laterally rotates thigh
Nerve to Piriformis
Superior and Inferior Gluteal As.*
Obturator Internus Muscle
Laterally rotates thigh
Nerve to Obturator Internus and Superior Gemellus
Inferior Gluteal A.
Superior Gemellus Muscle
Laterally rotates thigh
Nerve to Superior Gemellus and Obturator Internus
Inferior Gluteal A.
Inferior Gemellus Muscle
Laterally rotates thigh
Nerve to Inferior Gemellus and Quadratus Femoris
Inferior Gluteal A.
Quadratus Femoris Muscle
Laterally rotates thigh
Nerve to Quadratus Femoris and Inferior Gemellus
Inferior Gluteal A.
Internal Iliac Artery Branches
Superior Gluteal A.
Superficial and Deep branches
Inferior Gluteal A.
Internal Pudendal A.
Cruciate Anastomosis Arteries
Transverse Branch of Medial Circumflex Femoral A.
Terminal Transverse Branch of Lateral Circumflex Femoral A.
First Perforating A.
Inferior Gluteal A.
Internal Pudendal Artery
Supplies perineal muscles and external genitalia
Duchenne’s Limp
Positive Trendelenburg’s Sign
Superior Gluteal N. Injury
Causes hip drop and ispilateral side leaning
Both sides affected=waddling gait
Trochanteric Bursa
Between the IT band and Greater Trochanter of Femur