Knee muscles

Question 1

Rectus femoris

Answer 1

Origin: AIIS
Insertion: Tibial tuberosity
Innervation: Femoral Nerve (L2-L4)

Question 2

Vastus medialis

Answer 2

Origin: intertrochanteric line, linea aspera
Insertion: tibial tuberosity, patella
Innervation: Femoral nerve (L2-L4)

Question 3

Vastus intermedius

Answer 3

Origin: anterior surface of femoral shaft
Insertion: tibial tuberosity
Innervation: Femoral nerve (L2-L4)

Question 4

Vastus lateralis

Answer 4

Origin: intertrochanteric line, greater trochanter, gluteal tuberosity, linea aspera
Insertion: tibial tuberosity
Innervation: Femoral nerve (L2-L4)

Question 5

Biceps femoris long head

Answer 5

Origin: ischial tuberosity, sacrotuberous ligament
Insertion: head of fibula
Innervation: tibial nerve (L5-S2)

Question 6

Biceps femoris short head

Answer 6

Origin: linea aspera
Insertion: head of fibula
Innervation: common fibula nerve (L5-S2)

Question 7

Semimembranosus

Answer 7

Origin: ischial tuberosity
Insertion: medial tibial condyle
Innervation: tibial nerve (L5-S2)

Question 8

Semitendinosus

Answer 8

Origin: ischial tuberosity
Insertion: proximal tibia below medial tibial condyle
Innervation: tibial nerve (L5-S2)

Question 9

Popliteus

Answer 9

Origin: lateral condyle of femur
Insertion: posterior proximal tibia
Innervation: tibial nerve (L4-S1)

Question 10

Plantaris

Answer 10

Origin: lateral supracondylar line of femur
Insertion: posterior surface of calcaneus
Innervation: tibial nerve (S1-S2)