Gluteal Region

Question 1

Gluteus Maximus: Proximal Attachment

Answer 1

• Ilium (behind posterior gluteal line)
• Posterior surface of Sacrum and coccyx
• Sacrotuberous ligament

Question 2

Gluteus Maximus: Distal Attachment

Answer 2

• Iliotibial band (superficial 75%)

* Gluteal tuberosity (deep 25%)

Question 3

Gluteus Maximus: Action

Answer 3

• Extends thigh
• Laterally rotates thigh
• Steadies trunk on thigh

Question 4

Gluteus Maximus: Innervation

Answer 4

Inferior gluteal nerve

Question 5

Gluteus Medius: Proximal Attachment

Answer 5

External surface of ilium between posterior and anterior gluteal lines

Question 6

Gluteus Medius: Distal Attachment

Answer 6

Lateral surface of greater trochanter of the femur

Question 7

Gluteus Medius: Action

Answer 7

• Abducts thigh
• Stabilising pelvis in SLS
• Medially rotates thigh

Question 8

Gluteus Medius: Innervation

Answer 8

Superior Gluteal Nerve

Question 9

Gluteus Minimus: Proximal Attachment

Answer 9

External surface of ilium between anterior and inferior gluteal lines

Question 10

Gluteus Minimus: Distal Attachment

Answer 10

Anterior surface of greater trochanter of the femur

Question 11

Gluteus Minimus: Action

Answer 11

• Abducts thigh
• Stabilising pelvis in SLS
• Medially rotates thigh

Question 12

Gluteus Minimus: Innervation

Answer 12

Superior Gluteal Nerve

Question 13

Tensor Fasciae Lata: Proximal Attachment

Answer 13

• ASIS

* Iliac crest (anterior part)

Question 14

Tensor Fasciae Lata: Distal Attachment

Answer 14

Iliotibial band - which attaches to lateral condyle of tibia

Question 15

Tensor Fasciae Lata: Action

Answer 15

• Abducts thigh
• Stabilising pelvis in SLS
• Medially rotates thigh

Question 16

Tensor Fasciae Lata: Innervation

Answer 16

Superior Gluteal Nerve

Question 17

Piriformis: Proximal Attachment

Answer 17

• Anterior surface of sacrum

* Sacrotuberous ligament

Question 18

Piriformis: Distal Attachment

Answer 18

• Superior border of greater trochanter of the femur

Question 19

Piriformis: Action

Answer 19

• Laterally rotates extended thigh
• Medially rotates /abducts thigh flexed > 90 degrees
• Steadies femoral head in acetabulum

Question 20

Piriformis: Innervation

Answer 20

Branches of anterior rami

Question 21

Obturator Internus: Proximal Attachment

Answer 21

Pelvic surface of obturator membrane and surrounding bones

Question 22

Obturator Internus: Distal Attachment

Answer 22

Medial surface of greater trochanter of the femur (trochanteric fossa)

Question 23

Obturator Internus: Action

Answer 23

• Laterally rotates extended thigh
• Steadies femoral head in acetabulum
• Abducts flexed thigh

Question 24

Obturator Internus: Innervation

Answer 24

Nerve to obturator internus

Question 25

Superior and Inferior Gemelli: Proximal Attachment

Answer 25

Superior: ischial spine Inferior: ischial tuberosity

Question 26

Superior and Inferior Gemelli: Distal Attachment

Answer 26

Medial surface of greater trochanter of the femur (trochanteric fossa)

Question 27

Superior and Inferior Gemelli: Action

Answer 27

* Laterally rotates extended thigh * Steadies femoral head in acetabulum * Abducts flexed thigh

Question 28

Superior and Inferior Gemelli: Innervation

Answer 28

Superior: nerve to obturator internus Inferior: nerve to quad fem

Question 29

Quadratus Femoris: Proximal Attachment

Answer 29

Lateral border of ischial tuberosity

Question 30

Quadratus Femoris: Distal Attachment

Answer 30

Quadrate tubercle on the intertrochanteric crest of the femur

Question 31

Quadratus Femoris: Action

Answer 31

Strong lateral rotator of thigh | • Steadies femoral head in acetabulum

Question 32

Quadratus Femoris: Innervation

Answer 32

Nerve to quad fem