Hamstring Muscles of Posterior Compartment of Thigh

Question 0

Main action of the semitendinosus?

Answer 0

• Extends thigh

- Flex leg when knee is flexed

Question 1

Name the hamstring muscles of the posterior compartment of the thigh?

Answer 1

1. Semitendinosus
2. Semimembranosus
3. Biceps femoris

Question 2

Main action of the semimembranosus?

Answer 2

• Extends thigh

- Flex leg when knee is flexed

Question 3

Main action of the biceps femoris?

Answer 3

• Flexes leg

- Extends thigh (eg. when starting to walk)

Question 4

Innervation of the hamstring muscles?

Answer 4

Sciatic nerve

Question 5

Proximal attachment of the semitendinosus?

Answer 5

Ischial tuberosity

Question 6

Distal attachment of semitendinosus?

Answer 6

Med. surface of sup. part of tibia

Question 7

Proximal attachment of the semimembranosus?

Answer 7

Ischial tuberosity

Question 8

Distal attachment of the semimembranosus?

Answer 8

Post. part of med. epicondyle of tibia

Question 9

Proximal attachment of the biceps femoris?

Answer 9

1. Long head:
   - Ischial tuberosity
2. Short head:
   - Linea aspera
   - Lat. supracondylar line of femur

Question 10

Distal attachment of biceps femoris?

Answer 10

Lat. side of head of fibula