Vastus Medialis Muscle
Gluteus Medius – Attachments, Actions & Innervation
Attachments of Gluteus Medius: Origin & Insertion
Origin: (proximal attachments)
Outer surface of ilium, between the posterior and anterior gluteal lines.
Insertion: (distal attachments)
Lateral and superior surfaces of the greater trochanter of femur.
Actions of Gluteus Maximus on the thigh (femur):
a. Abducts thigh at the hip.
b. Anterior fibers Medially Rotate thigh at the hip.
c. Posterior fibers Laterally Rotate thigh at the hip.
Nerve to Muscle and its Spinal Segment:
a. Superior gluteal nerve (L5, S1).