Posterior Thigh Muscles

Question 1

Biceps Femoris Origin(s)

Answer 1

Long Head: Ischial Tuberosity of the Pelvis

Short Head: Linea Aspea on the Posterior Surface of the Femur.

Question 2

Biceps Femoris Attachment

Answer 2

Head of the Fibula

Question 3

Biceps Femoris Action

Answer 3

Flexion and Lateral Rotation at the Knee

Extension and Lateral Rotation at the Hip

Question 4

Biceps Femoris Innervation

Answer 4

Long Head: Tibial nerve (L4/L5/S1/S2/S3)

Short Head: Fibular nerve (L4/L5/S1/S2)

Question 5

Semitendinosus Origin

Answer 5

Ischial Tuberosity

Question 6

Semitendinosus Attachment

Answer 6

Medial Surface of the Tibia

Question 7

Semitendinosus Action

Answer 7

Flexion and Medial Rotation at the Knee

Extension and Medial Rotation at the Hip

Question 8

Semitendinosus Innervation

Answer 8

Tibial nerve (L4/L5/S1/S2/S3)

Question 9

Semimembranosus Origin

Answer 9

Ischial Tuberosity (more Superiorly than the other 2)

Question 10

Semimembranosus Attachment

Answer 10

Medial Tibial Condyle

Question 11

Semimembranosus Action

Answer 11

Flexion and Medial Rotation at the Knee

Extension and Medial Rotation at the Hip

Question 12

Semimembranosus Innveration

Answer 12

Tibial nerve (L4/L5/S1/S2/S3)