Gluteal Muscles and Ligaments Questions and Answers Graded A+

Gluteal Muscles and Ligaments Questions and Answers Graded A+ Where does the gluteus maximus attach? Proximal: Ilium, Sacrum, Coccyx Distal: Iliotibial Tract What nerve innervates the Gluteus Maximus? Inferior gluteal nerve + L5, S1, S2 Action of Gluteus Maximus Thigh Extension and stabilization in standing Where does the gluteus medius attach? Proximal: External Ilium btwn Ant and Post Gluteal Lines Distal: Lateral Greater Trochanter What nerve innervates the gluteus medius? superior gluteal nerve (L5 and S1) Main action of Gluteus Medius Abducts and Medially Rotates Thigh Keeps pelvis level when opposite leg is raised Trendenlenburg gait When walking, pt will lean more to the side of the weaker Glute Med Attachments of Glute Min Proximal: External ilium Distal: Anterior Greater Trochanter Innervation of Glute Min Superior Gluteal nerve (L5 and S1) Action of Glute Min Abducts and Medially rotates Thigh Attachments of Priformis Proximal: Anterior Sacrum and Sacrotuberous Ligament Distal:Superior border of Greater Trochanter Innervation of Piriformis Branches of Ventral Rami, S1, and S2 Attachments of Obturator Internus Proximal: Pelvic Surface of Obturator membrane Distal: Medial Surface of Greater Trochanter