Posterior Thigh Muscles (The Hamstrings)

Question 1

What are the posterior thigh muscles?

Answer 1

• biceps femoris - long head
• biceps femoris - short head
• semitendinosus
• semimembranosus

Question 2

What are the attachment points of biceps femoris - long head?

Answer 2

SP: ischial tuberosity
ID: fibular head

Question 3

What are the actions of biceps femoris - long head?

Answer 3

• hip extension
• kneee flexion
• knee lateral rotation

Question 4

What are the attachment points of biceps femoris - short head?

Answer 4

SP: linea aspera (mid-shaft)
ID: fibular head

Question 5

What are the actions of biceps femoris - short head?

Answer 5

• knee flexion

- knee lateral rotation (slight movement)

Question 6

What are the attachment points of semitendinosus?

Answer 6

SP: ischial tuberosity
ID: proximal anteromedial tibia (one of the pes anserinus tendons)

Question 7

What are the actions of semitendinosus?

Answer 7

• hip extension
• knee flexion
• knee medial rotation

Question 8

What are the attachment points of semimembranosus?

Answer 8

SP: ischial tuberosity
ID: posterior aspect of the medial condyle of the tibia

Question 9

What are the actions of semimembranosus?

Answer 9

• hip extension
• knee flexion
• knee medial rotation

Question 10

What are the three muscle tendons that make up Pes Anserine?

Answer 10

• gracilis
• sartorius
• semintendinosus