Hip - muscles (internal rotation and external rotation)

Question 1

Name the 3 internal rotator hip muscles

Answer 1

Gluteus Minimus Muscle
Gluteus Medius Muscle
Tensor Fasciae Latae Muscle

Question 2

What is the Origin, Insertion and Innervation of the gluteus minimus muscle?

Answer 2

Origin – Area of ileum located between anterior and inferior gluteal lines

Insertion – Anterolateral aspect of greater trochanter of femur

Innervation – Superior gluteal nerve (L5-S1)

Question 3

What is the Origin, Insertion and Innervation of the gluteus medius muscle?

Answer 3

Origin - Area of ileum located between anterior and posterior gluteal lines

Insertion – Lateral aspect of greater trochanter of femur

Innervation - Superior gluteal nerve (L5-S1)

Question 4

What is the Origin, Insertion and Innervation of the tensor fasciae latae muscle?

Answer 4

Origin – Anterior superior iliac spine and anterior one third of outer lip of iliac crest

Insertion – Tubercle of IT tract on the tibia, via IT tract

Innervation – Superior gluteal nerve (L4-S1)

Question 5

Name the 7 external rotator hip muscles

Answer 5

Obturator Internus Muscle
Obturator Externus Muscle
Superior Gemellus Muscle
Inferior Gemellus Muscle
Quadratus Femoris Muscle
Piriformis Muscle
Gluteus Maximus Muscle

Question 6

What is the Origin, Insertion and Innervation of the obturator internus muscle?

Answer 6

Origin – Internal surface of obturator membrane and adjacent bones

Insertion – Medial aspect of greater trochanter of femur

Innervation – Nerve to obturator internus (L5-S1)

Question 7

What is the Origin, Insertion and Innervation of the obturator externus muscle?

Answer 7

Origin – External surface of obturator membrane and adjacent bones

Insertion – Trochanteric fossa of femur

Innervation – Posterior branch of obturator nerve (L3-L4)

Question 8

What is the Origin, Insertion and Innervation of the superior gemellus muscle?

Answer 8

Origin – Ischial spine

Insertion – Medial aspect of greater trochanter of femur

Innervation – Nerve to obturator internus (L5-S2)

Question 9

What is the Origin, Insertion and Innervation of the inferior gemellus muscle?

Answer 9

Origin – Ischial tuberosity

Insertion – Medial aspect of greater trochanter of femur

Innervation – Nerve to quadratus femoris (L5-S1)

Question 10

What is the Origin, Insertion and Innervation of the quadratus femoris muscle?

Answer 10

Origin – Lateral margin of ischial tuberosity

Insertion – Quadrate tubercle of femur

Innervation – Nerve to quadratus femoris (L5-S1)

Question 11

What is the Origin, Insertion and Innervation of the piriformis muscle?

Answer 11

Origin – Pelvic surface of sacrum and sacrotuberous ligament

Insertion – Superior border of greater trochanter of femur

Innervation – Nerve to piriformis (S1-S2)

Question 12

What is the Origin, Insertion and Innervation of the gluteus maximus muscle?

Answer 12

Origin – Area of ilium located posterior to its posterior gluteal line, posterior aspects of sacrum and coccyx and sacrotuberous ligament

Insertion – Tubercle of iliotibial tract of tibia, via iliotibial tract and gluteal tuberosity of femur

Innervation – Inferior gluteal nerve (L5-S2)