Abductors of the Hip

Question 1

Gluteus Maximus

Answer 1

O: Gluteal surface of the ilium, iliac crest of the innominate (hip) bone, coccyx, sacrum and sacrotuberous ligament
I: Gluteal tuberosity of the femur (1/4), (3/4) from the iliotibial tract
N: inferior gluteal nerve L5, S1, S2.
A: Extension of the hip, extension of the knee - through the iliotibial tract

Question 2

Gluteus Medius

Answer 2

O: Gluteal surface of the ilium, between the posterior and anterior gluteal lines of the innominate bone.
I: Superolateral side of the greater trochanter of the femur
N: Superior gluteal nerve L4, L5, S1
A: Abduction and medial rotation of the hip

Question 3

Gluteus Minimus

Answer 3

O: Gluteal surface of the ilium, in front of the anterior and above the inferior gluteal lines of the innominate bone.
I: Anterosuperior aspect of the greater trochanter of the femur.
N: Superior gluteal nerve L4, L5, S1
A: Abduction and medial rotation of the hip

Question 4

Tensor Fascia Lata

Answer 4

O: Anterior 1/3 of the outer lip of the iliac crest of the innominate bone
I: between the 2 layers of the iliotibial tract
N: superior gluteal nerve L4, L5
A: Abduction, flexion and medial rotation of the hip