Thigh

Question 1

Identify the structures in this photo of the posterior thigh (page 319, C)

Answer 1

Sciatic nerve (19), and four others:

• Semimembranosus - Semitendinosus - Ischial tuberosity - Long head of biceps - Iliotibial tract - Gluteus maximus

Question 2

What are the clinical features of a severed sciatic nerve in the upper thigh? (Prompt: what does the sciatic nerve supply distal to this point)

Answer 2

Motor:

• All ankle and toe movements (flex, extend, inversion, eversion) are lost

Sensory:

• Most of lower leg and foot sensation is lost, including sole of foot, dorsum of foot, lateral leg and mallelus (but not medial leg and malleolus - this is supplied by femoral nerve - saphenous branch)

(bold to pass)

Question 3

Demonstrate the boundaries of the femoral triangle.

Answer 3

Superiorly: Inguinal ligament.

Laterally: Sartorius

Medially: Adductor longus

Floor: Iliopsoas

(3 to pass)

Question 4

What are the contents of the femoral triangle?

Answer 4

Femoral vein

Femoral artery

Femoral nerve

Deep Inguinal Lymph nodes

Question 5

What surface markings would you look for when trying to locate the femoral vein?

Answer 5

Artery is just below the midpoint of the inguinal ligament, between ASIS and pubic symphysis. Vein is just medial to artery.

Question 6

Which veins drain into the common femoral vein?

Answer 6

Great saphenous

Profunda femoris