Muscles of Knee Revision

Question 1

Rectus Femoris

Answer 1

O: anterior inferior iliac spine
I: tibial tuberosity
Knee - extension
Hip - flexion

Question 2

Vastus Medialis

Answer 2

O: medial femur
I: tibial tuberosity
Knee - extension

Question 3

Vastus Lateralis

Answer 3

O: greater trochanter and lateral linea aspera
I: tibial tuberosity
Knee - extension

Question 4

Vastus intermedius

Answer 4

O: anterolateral femur
I: tibial tuberosity
Knee - extension

Question 5

Biceps Femoris

Answer 5

O: ischial tuberosity (long head) linea aspera (short head)
I: head of fibula
Knee - flexion and internal rotation
Hip (long head) - extension

Question 6

Semitendinosus

Answer 6

O: ischial tuberosity
I: medial condyle of tibia
Knee - flexion and internal rotation
Hip - extension

Question 7

Semimembranosus

Answer 7

O: ischial tuberosity
I: medial condyle of tibia
Knee - flexion and internal rotation
Hip - extension

Question 8

Gastrocnemius

Answer 8

O: posterior surface of the two femoral condyles
I: calcaneus
Ankle - plantarflexion
Knee - flexion

Question 9

Popliteus

Answer 9

O: lateral femoral condyle
I: posterior tibia above the soleus
Knee - flexion and internal rotation

Question 10

Sartorius

Answer 10

O: anterior superior iliac spine
I: anteromedial tibia
Knee - flexion
Hip - flexion and external rotation

Question 11

Gracilis

Answer 11

O: ischium and pubis
I: anteromedial tibia
Knee - flexion
Hip - flexion, internal rotation, adduction