Muscle Actions

Question 1

What is the muscle action for the deltoid?

Answer 1

abducts, extends and flexes arm

Question 1

What is the muscle action for the iliacus?

Answer 1

flexes thigh

Question 2

What is the muscle action for the scalenes?

Answer 2

elevates ribcage

Question 2

What is the muscle action for the internal intercostal?

Answer 2

retracts (depresses) ribs

Question 2

What is the muscle action for the palmaris longus?

Answer 2

flexes hand

Question 2

What is the muscle action for the gracilis?

Answer 2

adducts leg

Question 3

What is the muscle action for the rhomboideus?

Answer 3

elevates and adducts scapula

Question 3

What is the muscle action for the psoas major?

Answer 3

flexes thigh

Question 5

What is the muscle action for the masseter?

Answer 5

elevate mandible

Question 5

What is the muscle action for the extensor digitorum?

Answer 5

extends and hyperextends digits

Question 6

What is the muscle action for the hamstring group?

Answer 6

flexes leg

Question 7

What is the muscle action for the pronator teres?

Answer 7

pronates (medially rotates) forearm

Question 8

What is the muscle action for the supinator?

Answer 8

supinates (laterally rotates) forearm

Question 8

What is the muscle action for the soleus?

Answer 8

plantar flexion

Question 10

What is the muscle action for the external intercostal?

Answer 10

protracts (elevates) ribs

Question 10

What is the muscle action for the gluteus maximus?

Answer 10

extends thigh

Question 11

What is the muscle action for the quadriceps?

Answer 11

extension of leg

Question 12

What is the muscle action for the rectus abdominis?

Answer 12

Compresses abdominal region

Question 12

What is the muscle action for the sartorius?

Answer 12

rotates leg laterally

Question 13

What is the muscle action for the external & internal oblique?

Answer 13

compresses abdominal region

Question 14

What is the muscle action for the oribicularis oculi?

Answer 14

close eye

Question 15

What is the muscle action for the biceps brachii?

Answer 15

flexes forearm

Question 17

What is the muscle action for the temporalis?

Answer 17

elevate mandible

Question 18

What is the muscle action for the triceps brachii?

Answer 18

extends forearm

Question 19

What is the muscle action for the tibialis anterior?

Answer 19

dorsiflexion/inversion

Question 21

What is the muscle action for the latissimus dorsi?

Answer 21

extension, adducts and rotates arm medially

Question 23

What is the muscle action for the buccinator?

Answer 23

Compress cheeks

Question 25

What is the muscle action for the sternocleidomastoid?

Answer 25

rotates head, flexes neck or elevates sternum

Question 27

What is the muscle action for the orbicularis oris?

Answer 27

Close mouth

Question 29

What is the muscle action for the teres major?

Answer 29

extension, adducts and rotates arm medially

Question 30

What is the muscle action for the pectoralis major?

Answer 30

flexes, adducts and roates arm medially

Question 31

What is the muscle action for the serratus anterior?

Answer 31

pulls the scapula anteriorly and downward

Question 32

What is the muscle action for the trapezius?

Answer 32

rotates scapula

Question 33

What is the muscle action for the adductor (longus & magnus)

Answer 33

adducts legs

Question 34

What is the muscle action for the teres minor?

Answer 34

rotates arm laterally

Question 35

What is the muscle action for the supraspinatus?

Answer 35

abducts arm

Question 37

What is the muscle action for the gastrocnemius?

Answer 37

plantar flexion

Question 38

What is the muscle action for the levator scapulae?

Answer 38

elevates scapula