WEEK 4 - PELVIS

Question 1

Under Inguinal Ligament (Function)

Answer 1

Communicates the false/greater pelvis and the anterior thigh/femoral traingle.

Question 2

Obturator Canal (Function)

Answer 2

Communicates the false/greater pelvis to the medial thigh.

Question 3

Greater Sciatic Foramen (Function)

Answer 3

Communicates the false/greater pelvis to the gluteal region, posterior thigh and lower limb.

Question 4

Under Inguinal Ligament (Contents)

Question 5

Obturator Canal (Contents)

Answer 5

Obturator nerve and vessels.

Question 6

Greater Sciatic Foramen (Contents)

Answer 6

Superior and inferior gluteal vessels & nerves, sciatic nerve, posterior cutaneous nerve of thigh, piriformis muscle.

Question 7

Iliacus (Origin & Insertion)

Answer 7

Origin: Iliac Fossa
Insertion: Lesser Trochanter

Question 8

Psoas (Origin & Insertion)

Answer 8

Origin: Anterior vertebral bodies and transverse processes of lumbar vertebrae
Insertion: Lesser Trochanter

Question 9

Piriformis (Origin & Insertion)

Answer 9

Origin: Anterior Sacrum
Insertion: Greater Trochanter

Question 10

Iliacus (Position, Orientation, Action & Innervation)

Answer 10

Position: Anterior to hip joint
Orientation: Vertical
Action: Hip flexion
Innervation: Lumbar Plexus

Question 11

Psoas (Position, Orientation, Action & Innervation)

Answer 11

Position: Anterior to hip joint
Orientation: Vertical
Action: Hip flexion
Innervation: Lumbar Plexus

Question 12

Piriformis (Position, Orientation, Action & Innervation)

Answer 12

Position: Posterior
Orientation: Horizontal
Action: Hip adduction
Innervation: Sacral Plexus