Muscles of Pelvis and Gluteal

Question 1

Gluteus Maximus

Answer 1

O : Posterior iliac crest, posterolateral sacrum, sacrotuberous ligament, thoracolumbar aponeurosis and fascia over glute med
I : ITB tract and gluteal tuberosity
A :
1. Extend the thigh at the hip joint
2. Laterally rotate the thigh at the hip joint
3. Abduct the thigh at the hip joint
4. Adduct the thigh at the hip joint

Question 2

Gluteus Medius

Answer 2

O : Gluteal surface of the ilium, between the posterior and anterior gluteal lines, just below the iliac crest
I : Lateral aspect of the greater trochanter
A :
1. Abduct the thigh at the hip joint
2. Extend and laterally rotate the thigh
3. Flex and medially rotate the thigh at the hip joint

Question 3

Gluteus Minimus