Knee

Question 1

Semimembranosus attachments and actions

Answer 1

Attachments:
ischial tuberosity
posterior aspect medial tibial condyle, forms oblique popliteal ligament

Action:
extends thigh at hip
flexes leg at knee
medially rotates leg if knee flexed

Question 2

Semitendinosus attachments and actions

Answer 2

Attachments:
ischial tuberosity
medial superior tibia (pes anserinus)

Action:
extends thigh at hip
flexes leg at knee
medially rotates leg if knee flexed

Question 3

Biceps femoris attachments and actions

Answer 3

Attachments:
long head: ischial tuberosity
short head: linea aspera and lateral supracondylar line
head of fibula

Action:
flexion of leg at knee
extension of thigh at hip
laterally rotates leg if knee flexed

Question 4

Gastrocnemius attachments and actions

Question 5

Plantaris attachments and actions

Question 6

Popliteus attachments and actions