Group 2 Human Muscles

Question 1

Extensor digitorum, origin

Answer 1

Distal humerus

Question 2

Extensor digitorum, insertion

Answer 2

Distal phalanges of second to fifth fingers

Question 3

Extensor digitorum, primary actions

Answer 3

Extends fingers

Question 4

Rectus abdominis, origin

Answer 4

Pubis

Question 5

Rectus abdominis, insertion

Answer 5

Sternum and fifth to seventh ribs

Question 6

Rectus abdominis, primary actions

Answer 6

Flexes vertebral column

Question 7

External oblique, origin

Answer 7

Lower eight ribs

Question 8

External oblique, insertion

Answer 8

Iliac crest

Question 9

External oblique, primary actions

Answer 9

Flexes and rotates vertebral column

Question 10

Flexor carpi radialis, origin

Answer 10

Distal humerus

Question 11

Flexor carpi radialis, insertion

Answer 11

Second and third metacarpals

Question 12

Flexor carpi radialis, primary actions

Answer 12

Flexes wrist and abducts hand

Question 13

Extensor carpi radialis, origin

Answer 13

Humerus

Question 14

Extensor carpi radialis, insertion

Answer 14

Base of second and third metacarpals

Question 15

Extensor carpi radialis, primary actions

Answer 15

Extends wrist and abducts hand

Question 16

Deltoid, origin

Answer 16

Scapular spine and clavicle

Question 17

Deltoid, insertion

Answer 17

Humerus (deloid tuberoisity)

Question 18

Deltoid, primary actions

Answer 18

Abducts humerus