Muscle Functions

Question 1

Pectoralis Major

Answer 1

Clavicular head flexion
Sternal head extension
(👆antagonist)
Both heads adduction, medial rotation

Question 2

Pectoralis Minor

Answer 2

Protraction
Depression
Downward rotation

Question 3

Anterior Deltoid

Answer 3

Flexion

Medial rotation

Question 4

Biceps Brachii

Answer 4

Shoulder flexion
Elbow flexion
Radial-ulnar supination

Question 5

Coracobrachialis

Answer 5

Flexion

Adduction

Question 6

Posterior Deltoid

Answer 6

Extension

Lateral rotation

Question 7

Middle Deltoid

Answer 7

Abduction

Question 8

Latissimus Dorsi

Answer 8

Extension
Adduction
Medial rotation

Question 9

Levator Scapulae

Answer 9

Elevation

Downward rotation

Question 10

Rhomboids -Minor and Major

Answer 10

Adduction
Downward rotation
Elevation

Question 11

Serratus Anterior

Answer 11

Protraction

Upward rotation

Question 12

Subscapularis

Answer 12

Medial rotation

Question 13

Supraspinatus

Answer 13

Abduction

Question 14

Infraspinatus

Answer 14

Lateral rotation

Question 15

Teres Minor

Answer 15

Lateral rotation

Question 16

Teres Major

Answer 16

Extension
Adduction
Medial rotation

Question 17

Triceps Brachii - Long Head

Answer 17

Shoulder extension

Question 18

Trapezius

Answer 18

Upper: elevates
Middle: retracts
Lower: depresses
All parts: upward rotate scapula

Question 19

Brachialis

Answer 19

Elbow flexion

Question 20

Brachioradialis

Answer 20

Elbow flexion

Question 21

Triceps Brachii - Lateral and Medial Head

Answer 21

Elbow extension

Question 22

Anconeus

Answer 22

Elbow extension

Question 23

Pronator Teres

Answer 23

Pronation

Assists with elbow flexion

Question 24

Flexor Carpi Radialis

Answer 24

Wrist flexion

Radial deviation

Question 25

Palmaris Longus

Answer 25

Assists with wrist flexion

Question 26

Flexor Carpi Ulnaris

Answer 26

Wrist flexion | Ulnar deviation

Question 27

Flexor Digitorum Superficialis

Answer 27

Flexes proximal interphalangeal jt | Assists with wrist flexion

Question 28

Flexor Digitorum Profundus

Answer 28

Flexion of distal interphalangeal jt Assists in flexion of PIP and MCP joints Assists with wrist flexion

Question 29

Flexor Pollicis Longus

Answer 29

Flexion of thumb interphalangeal joint

Question 30

Pronator Quadratus

Answer 30

Pronation

Question 31

Ext Carpi Radialis Longus/Brevis

Answer 31

Wrist extension/hyperextension | Radial deviation

Question 32

Extensor Digitorum

Answer 32

Extends fingers

Question 33

Extensor Digiti Minimi

Answer 33

Extension of little finger

Question 34

Extensor Carpi Ulnaris

Answer 34

Wrist extension/hyperextension | Ulnar deviation

Question 35

Supinator

Answer 35

Supination

Question 36

Extensor Indicis

Answer 36

Extension of joints of index finger

Question 37

Abductor Pollicis Longus

Answer 37

Abduction and extension of 1st CMC joint

Question 38

Extensor Polliscis Brevis

Answer 38

Extension of 1st MCP joint

Question 39

Extensor Pollicis Longus

Answer 39

Thumb extension

Question 40

Sartorius

Answer 40

Flexion Abduction Lateral rotation

Question 41

Tensor Fasciae Latae

Answer 41

Flexion Abduction Medial rotation

Question 42

Rectus Femoris

Answer 42

Flexion

Question 43

Iliopsoas

Answer 43

Flexion

Question 44

Pectineus

Answer 44

Flexion | Adduction

Question 45

Adductor Brevis

Answer 45

Adduction | Flexion

Question 46

Adductor Longus

Answer 46

Adduction | Flexion

Question 47

Adductor Magnus

Answer 47

Adduction Extension(posterior fibers) Flexion(anterior fibers)

Question 48

Gracilis

Answer 48

Adduction

Question 49

Gluteus Maximus

Answer 49

Extension | Lateral rotation

Question 50

Gluteus Medius

Answer 50

Abduction Medial rotation-anterior Lateral rotation-posterior

Question 51

Gluteus Minimus

Answer 51

Abduction | Medial rotation

Question 52

Semimembranosus

Answer 52

Extension

Question 53

Semitendinosus

Answer 53

Extension

Question 54

Biceps femoris - Long head

Answer 54

Extension