Posterior Thigh Muscles

Question 1

What are the posterior thigh muscles?

Answer 1

1. Semitendinosus M.
2. Semimembranosus M
3. Biceps femoris M
   -Long head of the biceps
   femoris m.
   -Short head of the biceps
   femoris m.
4. Hamstring portion of the Adductor Magnus M.

Question 2

Semitendinosus M.

I:
BS:

Answer 2

I Tibial division of the sciatic N

BS: Perforating branches of the deep femoral A.

Question 3

Semitendinosus M

Axn:

Answer 3

1. Extend thigh
2. Flex leg
3. Medially rotate

Question 4

Semimembranosus M

I:
BS:

Answer 4

I: Tibial division of the sciatic N

BS: Perforating branches of the deep femoral A

Question 5

Semimembranosus M

Axn:

Answer 5

1. Extend thigh

2. Flex leg

Question 6

Long Head of the Biceps Femoris M

I:
BS:

Answer 6

I: Tibial division of the sciatic N

B.S: Perforating branches of the deep femoral A

Question 7

Long Head of the Biceps Femoris M

Axn:

Answer 7

1. Extend thigh

2. Flex leg

Question 8

Short Head of the Biceps Femoris M

I:
BS:

Answer 8

I: Common fibular division of the sciatic n.

BS: Perforating branches of the deep femoral A

Question 9

Short Head of the Biceps Femoris M

Axn:

Answer 9

1. Flex leg

does not cross hip

Question 10

Hamstring Portion of the Adductor Magnus M

I:
BS:

Answer 10

I: Tibial division of the sciatic n.

B.S: Perforating branches of the deep femoral A

Question 11

Hamstring Portion of the Adductor Magnus M

Axn:

Answer 11

1. Extend thigh

Bc does not cross the knee

Question 12

Aside from the short head of the biceps femoris m., the hamstring muscles will attach at the

Answer 12

Ischial tuberosity

Question 13

What is the only posterior thigh muscle that does not cross the hip?

Answer 13

Short head of the biceps femoris

Question 14

What is the only posterior thigh muscle that does not cross the knee?

Answer 14

Hamstring portion of the adductor magnus m.

Question 15

True hamstrings do what?

Answer 15

1. Extend thigh

2. Flex leg

Question 16

What will the tendon of the semimembranous m will create?

Answer 16

Oblique popliteal ligament

This tendon reinforces the intercondylar part of the joint capsule of the knee.