Muscle Actions

Question 1

Pectoralis Minor

Answer 1

depress and protract shoulder
rotate scapula downward
elevate ribs

Question 2

Subclavius

Answer 2

depress and protract shoulder

Question 3

Serratus anterior

Answer 3

protracts shoulder

rotates scapula upwards

Question 4

Levator Scapulae

Answer 4

elevates scapula

Question 5

Rhomboid Minor

Answer 5

Adducts and rotates scapula downward

Question 6

Rhomboid Major

Answer 6

Adducts and rotates scapula downward

Question 7

Trapezius

Answer 7

Elevates, retracts, depresses, or rotates scapula upward
elevates clavicle
extends neck

Question 8

Supraspinatus

Answer 8

abducts shoulder

Question 9

infraspinatus

Answer 9

laterally rotates shoulder

Question 10

Teres minor

Answer 10

laterally rotates shoulder

Question 11

Subscapularis

Answer 11

medially rotates shoulder

Question 12

Pectoralis Major

Answer 12

Flexes, adducts, and medially rotates shoulder

Question 13

Teres Major

Answer 13

Extends, adducts, and medially rotates shoulder

Question 14

Latissimus Dorsi

Answer 14

Extends, adducts, and medially rotates shoulder

Broadest muscle

Question 15

Deltoid

Answer 15

abducts, flexes, extends, medially rotates and laterally rotates shoulder

Question 16

Coracobrachialis

Answer 16

adducts and flexes shoulder

Question 17

Biceps brachii

Answer 17

flexes elbow
flexes shoulder
supinates forearm

Question 18

Brachialis

Answer 18

flexes elbow

Question 19

anconeus

Answer 19

extends elbow

Question 20

triceps brachii

Answer 20

extends elbow

Question 21

Gluteus maximus

Answer 21

extends and laterally rotates hip

Question 22

gluteus medius

Answer 22

abducts and medially rotates hip

Question 23

gluteus minimus

Answer 23

abducts and medially rotates hip

Question 24

Tensor fasciae latae

Answer 24

flexes and medially rotates hip

Question 25

piriformis

Answer 25

laterally rotate hip

Question 26

superior gemellus

Answer 26

laterally rotate hip

Question 27

obturator internus

Answer 27

laterally rotate hip

Question 28

inferior gemellus

Answer 28

laterally rotate hip

Question 29

obturator externus

Answer 29

laterally rotate hip

Question 30

quadratis femoris

Answer 30

laterally rotate hip

Question 31

adductor longus

Answer 31

adduct, flex, and medially rotate hip

Question 32

adductor brevis

Answer 32

adduct, flex, and medially rotate hip

Question 33

adductor magnus

Answer 33

adduct, flex, and medially rotate hip

Question 34

pectineus

Answer 34

adduct, flex, and medially rotate hip

Question 35

gracilis

Answer 35

adduct, flex, and medially rotate hip | flexes knee

Question 36

iliopsoas

Answer 36

flexes hip

Question 37

iliacus

Answer 37

flexes hip

Question 38

psoas major

Answer 38

flexes hip

Question 39

Sartorius

Answer 39

flexes and laterally rotates hip | flexes knee

Question 40

popliteus

Answer 40

flexes knee

Question 41

biceps femoris

Answer 41

flexes knee and extends hip

Question 42

semimembranosus

Answer 42

flexes knee and extends hip

Question 43

semitendinosus

Answer 43

flexes knee and extends hip

Question 44

Rectus femoris

Answer 44

extends knee and flexes hip

Question 45

vastus intermedius

Answer 45

extends knee

Question 46

vastus lateralis

Answer 46

extends knee

Question 47

vastus medialis

Answer 47

extends knee

Question 48

tibialis anterior

Answer 48

dorsiflexion

Question 49

gastrocnemius

Answer 49

plantar flexion

Question 50

fibularis brevis

Answer 50

plantar flexion

Question 51

fibularis longus

Answer 51

plantar flexion

Question 52

plantaris

Answer 52

plantar flexion

Question 53

soleus

Answer 53

plantar flexion

Question 54

tibialis posterior

Answer 54

plantar flexion