Gluteal region musculature

Question 1

Gluteus maximus prox/distal attachments

Answer 1

Prox: posterior gluteal line, thoracic lumbar fascia, sacrotuberous ligament
Distal: 80% iliotibial tract, 20% distal tendon to gluteal tuberosity

Question 2

Innervation and blood supply of gluteus maximus

Answer 2

The inferior gluteal nerve (L5-S2) and the inferior gluteal artery

Question 3

Actions of the gluteus maximus

Answer 3

hip extension, external rotation; abduction (sup) adduction (inf)

Back ext in closed chain

Question 4

Tensor fasciae latae prox/distal attachments

Answer 4

Prox: iliac crest and ASIS (anterior superior iliac spine)
Distal: iliotibial tract down to gerdys tubercle

Question 5

Tensor fasciae latae innervation and blood supply

Answer 5

Superior gluteal nerve (L4-S1) and the superior gluteal artery

Question 6

Tensor fasciae latae actions

Answer 6

hip flexion, internal rotation, and abduction

Question 7

Gluteus medius and minimus prox/distal attachments

Answer 7

Prox:

Med: iliac crest
Min: the gluteal surface of the ilium

Distal:

Med: lateral greater trochanter
Min: anterior greater trochanter

Question 8

Gluteus medius and minimus innervation and blood supply

Answer 8

The superior gluteal nerve (L4-S1) and the superior gluteal artery

Question 9

Actions of gluteus medius/minimus

Answer 9

Hip Abduction and internal rotation

Question 10

Piriformis prox/distal attachments

Answer 10

Prox: anterior surface of sacrum
Distal: greater trochanter tip

Question 11

Piriformis innervation and blood supply

Answer 11

Spinal nerve (L5-S2) and superior/inferior gluteal arteries

Question 12

Actions of piriformis

Answer 12

hip extension, external rotation, and abduction

Internal rotation when hip is flexed over 60 degrees