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Question 1

Upper Trap

Answer 1

Elevation of scapula and shoulder, capital extension, cervical extension, rotation of head to opposite side. Rotation of scapula up

Question 2

Middle trap

Answer 2

Scapular adduction

Question 3

Lower Trap

Answer 3

Scapular adduction, depression and upward rotation

Question 4

Latissimus Dorsi

Answer 4

Extends, adducts, and medially rotates, elevation of trunk towards arm

Question 5

Levator scapulae

Answer 5

Elevates and adducts scapula, rotates scapula downward, lateral bending of cervical spine to same side

Question 6

Rhomboid major and minor

Answer 6

Scapular adduction, downward rotation, and scapular elevation

Question 7

Pec major Whole muscle

Answer 7

Adducts and medially rotates humerus, elevation of the sternum in forced inspiration

Question 8

Pec Major clavicular head

Answer 8

horizontal shoulder adduction, flexion and medial rotation

Question 9

Pec Major sternocostal head

Answer 9

horizontal shoulder adduction and shoulder extension

Question 10

Pec Minor

Answer 10

Scapular protraction, elevation of ribs in forced inspiration with scapula fixed

Question 11

Subclavius

Answer 11

Depresses and moves clavicle forward

Question 12

Serratus anterior

Answer 12

Scapular abduction, holds scapula against thoracic wall, works with trap to rotate scapula upward to allow full shoulder abduction

Question 13

Deltoid

Answer 13

Anterior: flexes, medially rotates, horizontal adduction
Middle: abducts arm
Posterior: extends, laterally rotates, horizontal abduction

Question 14

Supraspinatus

Answer 14

Maintains head in glenoid fossa and abudcts shoulder

Question 15

Infraspinatus

Answer 15

Laterally rotates arm, maintains head in glenoid fossa

Question 16

Teres minor

Answer 16

Laterally rotates arm, maintains head in glenoid fossa

Question 17

Teres major

Answer 17

Adducts and medially rotates arm, shoulder extension from flexed position

Question 18

Subscapularis

Answer 18

Medially rotates arm, maintains head in glenoid fossa

Question 19

Biceps brachii

Answer 19

supinates forearm when it is supine, flexes forearm, assists with shoulder flexion

Question 20

Brachialis

Answer 20

Flexes forearm in all position

Question 21

Coracobrachialis

Answer 21

Flexion and adduction of arm

Question 22

Triceps brachii

Answer 22

Extension of elbow, long head assists in shoulder extension and adduction

Question 23

Anconeus

Answer 23

Assists triceps with elbow extension

Question 24

Pronator teres

Answer 24

Pronation of forearm, assists with elbow flexion

Question 25

Flexor carpi radialis

Answer 25

Flexion and radial devation of wrist, also assists with elbow flexion and forearm pronation

Question 26

Palmaris Longus

Answer 26

Tenses palmar aponeurosis, assists with wrist flexion

Question 27

Flexor carpi ulnaris

Answer 27

Flexion and ulnar devation of wrist, assists elbow flexion

Question 28

Flexor digitorum superficialis

Answer 28

Flexion of PIP joints of digits 2-5, assits with flexion of MCP joints of digits 2-5 and wrist flexion

Question 29

Flexor digitorum profundus

Answer 29

Flexion of DIP joints and assists with flexion of MCP and PIP joints of digits 2-5 and wrist flexion

Question 30

Flexor pollicis longus

Answer 30

Flexion of IP joint of thumb, assits with flexion of MCP and CMC joints of thumb, also wrist flexion

Question 31

Pronator quadratus

Answer 31

Pronation of forearm

Question 32

Opponens pollicis

Answer 32

Opposition of thumb (flexion, abudction, and medial rotation at CMC)

Question 33

Abductor pollicis brevis

Answer 33

Abduction at CMC and MCP joints of thumb | Assits thumb opposition and IP extension

Question 34

Flexor pollicis brevis

Answer 34

Flexion of MP and CMC joints of thumb

Question 35

Adductor pollicis

Answer 35

Adduction of CMC joints of thumb. Assists thumb MCP adduction and flexion

Question 36

Abductor digiti minimi

Answer 36

Abduction of 5th digit, assists opposition of 5th digit, may assist MCP flexion and IP extension of 5th digit

Question 37

Flexor digiti minimi brevis

Answer 37

MCP flexion of 5th digit, assists opposition of 5th digit

Question 38

Opponens digiti minimi

Answer 38

Oppostion of little finger to thumb (abduction, flexion, and lateral rotation)

Question 39

Lumbricales

Answer 39

Flex MCP and simultaneously extend PIP and DIP

Question 40

Dorsal interossei

Answer 40

Abduction of fingers

Question 41

Palmar interossei

Answer 41

Adduction of fingers

Question 42

Brachioradialis

Answer 42

Elbow flexion (strongest in midprone)

Question 43

Extensor carpi radialis longus

Answer 43

Extend and radially deviate wrist, assists elbow flexion

Question 44

Extensor carpi radialis brevis

Answer 44

Extend wrist and assist with radial deviation

Question 45

Extensor digitorum

Answer 45

Extends MCP, PIP, and DIP joints of digits 2-5, assits wrist extension. IP extension in conjunction with hand intrinsics

Question 46

Extensor digiti minimi

Answer 46

Extension of 5th digit at MCP, PIP, and DIP joints, assists wrist extension and abduction of 5th digit

Question 47

Extensor carpi ulnaris

Answer 47

Extend and ulnar deviation of wrist

Question 48

Supinator

Answer 48

Supination of forearm

Question 49

Extensor indicis

Answer 49

Extensin of second finger at MCP, IP in conjunction with intrinsics, assists with wrist extension

Question 50

Abductor pollicis longus

Answer 50

Extension and abduction of thumb at CMC joint, radial deviation, assists wrist flexion

Question 51

Extensor pollicis longus

Answer 51

Extension of thumb at IP joint, assists with CMC and MP extension, assists with radial deviation

Question 52

Extensor pollicis brevis

Answer 52

Extends MCP joint of thumb and extension and abudction of CMC joint of the thumb, assists with radial deviation and wrist extension