Posterior Thigh

Question 1

Which muscles originate on ischial tuberosity and cross hip and knee joint?

Answer 1

Semimembranosus
Semitendinosus
Biceps Femoris - Long Head

Question 2

Which side of the knee does biceps femoris cross on?

Answer 2

Lateral side

Question 3

Which side of the knee do semimembranosus and semitendinosus cross on?

Answer 3

Medial side

Question 4

Which two branches does the sciatic nerve give?

Answer 4

Tibial nerve and common fibular nerve

Question 5

Which two branches does the common fibular nerve give?

Answer 5

Superficial branch of common fibular nerve

Question 6

Which region does the tibial nerve innervate?

Answer 6

Posterior compartment of leg

Question 7

Which region does the superficial branch of common fibular nerve innervate?

Answer 7

Lateral compartment of leg

Question 8

Which region does the deep branch of common fibular nerve innervate?

Answer 8

Anterior compartment of leg

Question 9

Where does the sciatic nerve pass in relation to the small lateral rotators of the hip?

Answer 9

Superficially

Question 10

Which leg bone is lateral?

Answer 10

Fibula

Question 11

Which leg bone is medial?

Answer 11

Tibia

Question 12

Where does semimembranosus originate?

Answer 12

Ischial tuberosity

Question 13

Where does semimembranosus insert?

Answer 13

Medial condyle of tibia (posterior aspect)

Question 14

Where does semitendinosus originate?

Answer 14

Ischial tuberosity

Question 15

Where does semitendinosus insert?

Answer 15

Tibia: Superior part of medial surface (anterior aspect)

Question 16

Which actions do semimembranosus and semitendinosus contribute to?

Answer 16

Extension of thigh at hip
Flexion at knee
Medial rotation of leg

Question 17

What nerve innervates semimembranosus and semitendinosus?

Answer 17

Sciatic nerve: tibial division

Question 18

Where does the long head of biceps femoris originate?

Answer 18

Ischial tuberosity

Question 19

Where does the long head of biceps femoris insert?

Answer 19

Head of fibula

Question 20

Where does the short head of biceps femoris originate?

Answer 20

Lateral lip of linea aspera of femur

Question 21

Where does the short head of biceps femoris insert?

Answer 21

Head of fibula

Question 22

Which actions does biceps femoris contribute to?

Answer 22

Extension of thigh at hip (long head)
Flexion at knee
Lateral rotation of leg

Question 23

Which nerve innervates the long head of biceps femoris?

Answer 23

Sciatic nerve - tibial division

Question 24

Which nerve innervates the short head of biceps femoris?

Answer 24

Sciatic nerve - fibular division