Muscles - Origin, Insertion, Action - Set II

Question 1

sartorius origin

Answer 1

anterior superior iliac spine

Question 2

sartorius insertion

Answer 2

medial surface of the tibia

Question 3

sartorius action

Answer 3

flexes thigh
abducts thigh
laterally rotates thigh
flexes leg

Question 4

gracilis origin

Answer 4

pubic symphysis

inferior pubis ramus

Question 5

gracilis insertion

Answer 5

medial surface of the tibia

Question 6

gracilis action

Answer 6

flexes thigh
adducts thigh
medially rotates thigh
flexes leg

Question 7

rectus femoris origin

Answer 7

straight head: anterior inferior iliac spine

reflected head: above superior rim of acetabulum

Question 8

rectus femoris insertion

Answer 8

patella

tibial tuberosity

Question 9

rectus femoris action

Answer 9

extends leg

flexes thigh

Question 10

vastus intermedius origin

Answer 10

anterior and lateral surface of femur

Question 11

vastus intermedius insertion

Answer 11

patella

Question 12

vastus intermedius action

Answer 12

extends leg

Question 13

vastus lateralis origin

Answer 13

lateral intermuscular septum
lateral lip of linea aspera
gluteal tuberosity

Question 14

vastus lateralis insertion

Answer 14

patella

Question 15

vastus lateralis action

Answer 15

extends leg

Question 16

vastus medialis origin

Answer 16

medial intermuscular septum

medial lip of the linea aspera

Question 17

vastus medialis insertion

Answer 17

patella

Question 18

vastus medialis action

Answer 18

extends leg

Question 19

semimembranosus origin

Answer 19

upper, outer surface of ischial tuberosity

Question 20

semimembranosus insertion

Answer 20

medial condyle of the tibia

Question 21

semimembranosus action

Answer 21

extends thigh

flexes leg

Question 22

semitendinosus origin

Answer 22

lower, medial surface of the ischial tuberosity

common tendon with biceps femoris m.

Question 23

semitendinosus insertion

Answer 23

medial surface of the tibia

Question 24

semitendinosus action

Answer 24

extends thigh

flexes leg

Question 25

biceps femoris origin

Answer 25

long head: ischial tuberosity

short head: lateral lip of linea aspera

Question 26

biceps femoris insertion

Answer 26

head of fibula

lateral condyle of tibia

Question 27

biceps femoris action

Answer 27

extends thigh

flexes leg

Question 28

gastrocnemius origin

Answer 28

femur
medial head: above medial femoral condyle
lateral head: above lateral femoral condyle

Question 29

gastrocnemius insertion

Answer 29

dorsum of the calcaneus

Achilles’ tendon

Question 30

gastrocnemius action

Answer 30

flexes leg

plantar flexes foot

Question 31

soleus origin

Answer 31

posterior surface of head and upper shaft of the fibula

soleal line of the tibia

Question 32

soleus insertion

Answer 32

dorsum of the calcaneus

Question 33

soleus action

Answer 33

plantar flexes foot

Question 34

fibularis (peroneus) brevis origin

Answer 34

lower 1/3 of the lateral surface of the fibula

Question 35

fibularis (peroneus) brevis insertion

Answer 35

tuberosity of the base of the 5th metatarsal

Question 36

fibularis (peroneus) brevis action

Answer 36

plantar flexes foot

everts foot

Question 37

fibularis (peroneus) longus origin

Answer 37

upper 2/3 of the lateral surface of the fibula

Question 38

fibularis (peroneus) longus insertion

Answer 38

medial cuneiform

base of the 1st metatarsal

Question 39

fibularis (peroneus) longus action

Answer 39

plantar flexes foot

everts foot