Muscles that act on both the thigh and leg OIAs

Question 1

Gracilis

Answer 1

Origin: Inferior Ramus of pubis
Insertion: Proximal Medial Surface of tibia
Action: adducts thigh/hip and flexes knee

Question 2

Sartorius

Answer 2

Origin: Anterior superior iliac spine
Insertion: proximal medial surface of tibia
Action: flexes thigh and leg/knee and laterally rotates thigh/hip

Question 3

Rectus femoris

Answer 3

Origin: Anterior Inferior Iliac Spine
Insertion: Tibial tuberosity via the patella
Action: extends leg/knee and flexes thigh/hip

Question 4

Semitendinosus

Answer 4

Origin: Ischial Tuberosity
Insertion: proximal medial surface of tibia
Action: flexes leg/knee and extends the thigh/hip

Question 5

Semimembranosus

Answer 5

Origin: Ischial Tuberosity
Insertion: proximal medial surface of tibia
Action: flexes leg/knee and extends thigh/hip

Question 6

Biceps Femoris (long head)

Answer 6

Origin: Ischial Tuberosity
Insertion: Head of fibula and lateral condyle of tibia
Action: flexes leg/knee and extends thigh/hip