Knee and Thigh

Question 1

Rectus Femoris

Answer 1

Origin: Anterior inferior Iliac Spine

Insertion: Tibial tuberosity

Function: Flexes hip, extends knee

Question 2

Vastus Medialis

Answer 2

Origin: Medial aspect of linea aspera

Insertion: Tibial tuberosity

Function: Extends knee

Question 3

Vastus Lateralis

Answer 3

Origin: Lateral side of linea aspera and greater trochanter

Insertion: Tibial tuberosity

Function: Extends knee

Question 4

Vastus Intermedius

Answer 4

Origin: Anterior shaft of femur

Insertion: Tibial tuberosity

Function: Extends knee

Question 5

Bicep Femoris

Answer 5

Origin: Ischial tuberosity and linea aspera

Insertion: Head of fibula

Function: Extends hip, flexes and externally rotates flexed knee

Question 6

Semitendinosus

Answer 6

Origin: Ischial tuberosity

Insertion: Below medial condyle of tibia

Function: Extends hip, flexes and internally rotates knee

Question 7

Semimembranosus

Answer 7

Origin: Ischial tuberosity

Insertion: Posterior aspect of medial tibial condyle

Function: Extends hip, flexes and internally rotates knee