MSK-Posterior Thigh

Question 1

What is this? (a)

Answer 1

Ischial Tuberosity

Origin of the hamstrings

Question 2

What does this show? (b)

Answer 2

Semitendinosus

Forms part of pes anserinus

Tibial nerve innervation

Question 3

What does C show?

Answer 3

Semimembranosus

Tibial nerve innervation

Question 4

What does D show?

Answer 4

Long head of biceps femoris

Tibial nerve

Question 5

What does E show?

Answer 5

Short head of biceps femoris

Common Fibular nerve

Question 6

What does F show?

Answer 6

Sciatic nerve

Emerges inferiorly to the piriformis

Question 7

What does G show?

Answer 7

Bifurcation of the sciatic nerve

At the apex of the popliteal fossa

Question 8

What does H show?

Answer 8

Tibial nerve

Supplies the hamstring muscles in posterior compartment and hamstring component of adductor magnus

Question 9

What is I showing?

Answer 9

Common fibular nerve

Supplies the anterior compartment of the leg

Injury leads to foot drop, causing high-steppage gait

Question 10

What does J show?

Answer 10

Blood vessel from profunda femoris