Name the 3 Gluteus muscles with actions and innervations
Gluteus Maximus - Extensor of thigh - Inferior Gluteal Nerve
Gluteus Minimus - Abducts and medially rotates - Superior Gluteal Nerve
Gluteus Medius - Abducts and medially rotates, secures pelvis during gait (trendelenburg sign if not functioning) - Superior Gluteal Nerve
Name gluteal region muscles (tip - there are 9) and innervations
Tensor Fascia Lata - superior gluteal nerve
Gluteus Medius - Superior gluteal nerve
Gluteus Minimus - Superior gluteal nerve
Gluteus Maximus - inferior gluteal nerve
Piriformis - Nerve to piriformis
Gemeli Superior - Nerve to obturator internus
Obturator internus - Nerve to obturator internus
Gemeli inferior - nerve to Quadratus femoris
Quadratus femoris - nerve to Quadratus femoris
Obturator externus (anterior thigh) found below quadratus femoris
NB - piriformis To quadratus femoris is in the order above (inferior to superior)
Remember by: The 3 Queer Gladiators Performed Generally Okay.
For order: P - Go Go - Q
What laterally rotates within the gluteal region?
Piriformis (also abducts)
Obturator internus (also abducts)
Gemeli Superior and inferior (also abducts)
Quadratus femoris
Gluteus Maximus (also abducts and extends)
What nerve exits the gluteal region posteriorly and what is its route?
Sciatic nerve - inferior to the piriformis. It then passes down the back of the leg splitting into the tibial and common fibular (peroneal) Nerve.
What are the 3 bones of the hip and what to they form?
Pubis, Ischium and ilium
Form the acetabulum
What creates the fibrocartilagnious collar of the hip joint?
Acetabular labrum
What is the common dislocation of the hip and what are the clinical features?
Posterior Dislocation - femoral head forced posteriorly where the joint capsule is weakest
Leg will be shortened and medially rotated - can have sciatic nerve injury
What is the common movement of muscles of the gluteal region?
Abduction of the leg