Muscles That Act on Both the Thigh and Leg - Moves Hip and Knee Joint

Question 1

Gracilis - Origin

Answer 1

symphysis pubis

Question 2

Gracilis - Insertion

Answer 2

proximal medial surface of tibia

Question 3

Gracilis - Action

Answer 3

adducts thigh/hip and flexes leg/knee

Question 4

Sartorius - Origin

Answer 4

anterior superior

iliac spine

Question 5

Sartorius - Insertion

Answer 5

proximal medial surface of tibia

Question 6

Sartorius - Action

Answer 6

flexes thigh and leg/knee and laterally

rotates thigh/hip

Question 7

Rectus femoris - Origin

Answer 7

anterior inferior

iliac spine

Question 8

Rectus femoris - Insertion

Answer 8

tibial tuberosity via the patella

Question 9

Rectus femoris - Action

Answer 9

extends leg/knee and flexes thigh/hip

Question 10

Semitendinosus - Origin

Answer 10

ischial tuberosity

Question 11

Semitendinosus - Insertion

Answer 11

proximal medial surface of tibia

Question 12

Semitendinosus - Action

Answer 12

flexes leg/knee and extends thigh/hip

Question 13

Semimembranosus - Origin

Answer 13

ischial tuberosity

Question 14

Semimembranosus - Insertion

Answer 14

proximal medial surface of tibia

Question 15

Semimembranosus - Action

Answer 15

flexes leg/knee and extends thigh/hip

Question 16

Biceps femoris (long head) - Origin

Answer 16

ischial tuberosity

Question 17

Biceps femoris (long head) - Insertion

Answer 17

head of fibula and lateral condyle of tibia

Question 18

Biceps femoris (long head) - Action

Answer 18

flexes leg/knee and extends thigh/hip