Posterior Thigh Muscles

Question 1

What are the two branches of the sciatic nerve and where do they travel?

Answer 1

• tibial branch - travels more medially to reach the tibia
• fibular branch - travels more laterally to reach the fibula

Question 2

Name the origin(s) and insertion(s) of semimembranosus

Answer 2

origin: ischial tuberosity

insertion: posterior aspect of medial condyle of tibia

Question 3

Name the origin(s) and insertion(s) of semitendinosus

Answer 3

origin: ischial tuberosity

insertion: superior part of medial surface of tibia

Question 4

Name the origin(s) and insertion(s) of biceps femoris long head

Answer 4

origin: ischial tuberosity

insertion: head of fibula

Question 5

Name the origin(s) and insertion(s) of biceps femoris short head

Answer 5

origin: lateral lip of linea aspera of femur

insertion: head of fibula

Question 6

Name the highlighted muscle

Answer 6

Biceps Femoris - Long Head

Question 7

Name the highlighted muscle

Answer 7

Semitendinosus

Question 8

Name the highlighted muscle

Answer 8

Semimembranosus

Question 9

Name the muscle

Answer 9

Biceps Femoris - Short Head