posterior group of thigh muscles

Question 1

name muscles of posterior group of thigh

Answer 1

Biceps femoris
Semitendinosus
Semimembranosus

Question 2

Origin of Biceps femoris

Answer 2

Long Head: ischial tuberosity
Short Head: femur-linea aspera

Question 3

Insertion of Biceps femoris

Answer 3

head of fibula

Question 4

movement of biceps femoris

Answer 4

flexion of the leg
external rotation of the flexed leg
accessory external rotation of the thigh
extension of the thigh

Question 5

innervation of biceps femoris

Answer 5

sciatic nerve
Long head: tibial nerve
Short head: common fibular nerve

Question 6

Origin of semitendinosus

Answer 6

Ischial tuberosity

Question 7

Insertion of semitendinosus

Answer 7

tibia-medial condyle

Question 8

Movement of semitendinosus

Answer 8

flexion of the leg
internal rotation of flexed leg
extension and internal rotation of thigh

Question 9

innervation of semitendinosus

Answer 9

sciatic nerve

Question 10

Origin of semimembranosus

Answer 10

ischial tuberosity

Question 11

insertion of semimembranosus

Answer 11

tibia-medial condyle
femur-lateral condyle
(via oblique popliteal ligament)

Question 12

Movement of semimembranosus

Answer 12

flexion of the leg
internal rotation of flexed leg
extension and internal rotation of thigh

Question 13

Innervation of semimembranosus

Answer 13

sciatic nerve- tibial nerve