Muscle Origin, Insertion, and Action

Question 1

Origin of biceps femoris

Answer 1

pelvis and femur

Question 2

insertion of biceps femoris

Answer 2

patella and proximal tibia

Question 3

action of biceps femoris

Answer 3

hip extension, flexing knee, and leg rotation

Question 4

origin of semitendinosus

Answer 4

pelvis

Question 5

insertion of semitendinosus

Answer 5

tibia

Question 6

action of semitendinosus

Answer 6

hip extension and flexes knee

Question 7

origin of semimembranosus

Answer 7

pelvis

Question 8

insertion of semimembranosus

Answer 8

tibia

Question 9

action of semimebranosus

Answer 9

thigh extension, flex, and rotate leg

Question 10

origin of sartorius

Answer 10

pelvis

Question 11

insertion of sartorius

Answer 11

tibia

Question 12

action of sartorius

Answer 12

many, but all its functions are combine together when you cross your legs

Question 13

origin of gracilis

Answer 13

pelvis

Question 14

insertion of gracilis

Answer 14

tibia

Question 15

action of gracilis

Answer 15

lower limb adduction and knee flexion

Question 16

origin of gastrocnemius

Answer 16

femur

Question 17

insertion of grastrocnemius

Answer 17

calcaneus

Question 18

action of gastrocnemius

Answer 18

extends ankle and flexes knee

Question 19

origin of triceps brachii

Answer 19

humerus (and caudal border of scapula)

Question 20

insertion of triceps brachii

Answer 20

ulna (olecranon process)

Question 21

action of triceps brachii

Answer 21

extends arm at elbow (and a potential flexor of the shoulder)

Question 22

origin of biceps brachii

Answer 22

scapula

Question 23

insertion of biceps brachii

Answer 23

elbow joint (radius and ulna)

Question 24

action of biceps brachii

Answer 24

flexes arm at elbow (and a potential extensor of the shoulder)

Question 25

origin of brachialis

Answer 25

humerus

Question 26

insertion of brachialis

Answer 26

ulna

Question 27

action of brachialis

Answer 27

flexes arm at elbow

Question 28

origin of brachioradialis

Answer 28

humerus

Question 29

insertion of brachioradialis

Answer 29

radius

Question 30

action of brachioradialis

Answer 30

flexes elbow joint

Question 31

origin of flexor carpi ulnaris

Answer 31

humerus and ulna

Question 32

insertion of flexor carpi ulnaris

Answer 32

carpals

Question 33

actions of flexor carpi ulnaris

Answer 33

flexes wrist (carpus)