Shoulder/Arm

Question 0

Origin: clavicle
Insertion: deltoid tuberosity of humerus
Action: abducts arm

Answer 0

Deltoid

Question 1

Origin: C7-T12
Insertion: spine of scapula
Action: fixes scapula

Answer 1

Trapezius

Question 2

Origin: cartilages of ribs 1-7
insertion: crest of greater tubercle of humerus
Action: flexes arm

Answer 2

Pectoralis major

Question 3

origin: ribs 3-5
insertion: coracoid process of scapula
action: raises ribs 3-5

Answer 3

Pectoralis minor

Question 4

origin: ribs 10-12
insertion: intertubercular groove of humerus
action: extends arm

Answer 4

Latissimus dorsi

Question 5

origin: supraspinous fossa
insertion: greater tubercle of humerus
action: helps stabilize shoulder joint

Answer 5

Supraspinatus

Question 6

origin: infraspinous fossa
insertion: greater tubercle of humerus
action: stabilizes shoulder joint

Answer 6

Infraspinatus

Question 7

origin: subscapular fossa
insertion: lesser tubercle of humerus
action: stabilizes shoulder joint

Answer 7

subscapularis

Question 8

origin: lateral border of scapula
insertion: greater tubercle of humerus
action: stabilizes shoulder joint

Answer 8

Teres minor

Question 9

origin: inferior angle of scapula
insertion: crest of lesser tubercle of humerus
action: extends arm

Answer 9

Teres major

Question 10

origin: short head- coracoid process of scapula
insertion: radial tuberosity
action: flexes arm

Answer 10

biceps brachii

Question 11

origin: lateral and posterior surface of humerus
insertion: olecranon process of ulna
action: extends arm

Answer 11

triceps brachii

Question 12

origin: coracoid process of scapula
insertion: midmedial shaft of humerus
action: flexes arm

Answer 12

coracobrachialis

Question 13

origin: anterior, distal surface of humerus
insertion: coronoid process of ulna
action: flexes forearm

Answer 13

brachialis

Question 14

origin: lateral supracondylar ridge of humerus
insertion: styloid process of radius
action: flexes forearm

Answer 14

brachioradialis

Question 15

origin: anterior ulna
insertion: proximal radius
action: supinates hand

Answer 15

supinator

Question 16

origin: distal part of anterior ulna
insertion: distal radius
action: pronates hand

Answer 16

pronator quadratus

Question 17

origin: medial epincondyle of humerus
insertion: palmar aponeurosis
action: flexes hand

Answer 17

palmaris longus

Question 18

origin: coronoid process of ulna
insertion: lateral, middle shaft of radius
action: pronates hand

Answer 18

pronator teres

Question 19

origin: medial epicondyle of humerus
insertion: 2nd metacarpal
action: flexes hand

Answer 19

flexor carpi radialis

Question 21

origin: medial epicondyle of humerus
insertion: fifth metacarpal
action: flexes hand

Answer 21

flexor carpi ulnaris

Question 21

origin: interosseous membrane
insertion: distal phalanges of digits 2-5
action: flexes hand

Answer 21

flexor digitorum profundus

Question 22

origin: proximal ulna
insertion: middle phalanges of digits 2-5
action: flexes hand

Answer 22

flexor digitorum superficialis

Question 23

origin: interosseous membrane
insertion: distal phalanx of pollex (thumb)
action: flexes thumb

Answer 23

flexor pollicis longus

Question 24

origin: trapezium insertion: proximal phalanx of first digit action: flexes thumb

Answer 24

flexor pollicis brevis

Question 25

origin: trapezium insertion: first metacarpal action: opposes thumb

Answer 25

opponens pollicis

Question 26

origin: trapezium insertion: proximal phalanx of first digit action: abducts thumb

Answer 26

abductor pollicis brevis

Question 27

origin: pisiform insertion: proximal phalanx of fifth digit action: abducts fifth digit

Answer 27

abductor digiti minimi

Question 28

origin: hamulus of hamate insertion: proximal phalanx of fifth digit action: flexes fifth digit

Answer 28

flexor digiti minimi brevis

Question 29

origin: hamulus of hamate insertion: fifth metacarpal action: opposes fifth digit

Answer 29

opponens digiti minimi

Question 30

origin: lateral supracondylar ridge of humerus insertion: second metacarpal action: extends hand

Answer 30

extensor carpi radialis longus

Question 31

origin: lateral epicondyle of humerus insertion: third metacarpal action: extends hand

Answer 31

extensor carpi radialis brevis

Question 32

origin: proximal ulna insertion: fifth metacarpal action: extends hand

Answer 32

extensor carpi ulnaris

Question 33

origin: lateral epicondyle of humerus insertion: middle and distal phalanges of digits 2-5 action: extends phalanges

Answer 33

extensor digitorum

Question 34

origin: interosseous membrane insertion: first metacarpal action: abducts thumb

Answer 34

abductor pollicis longus

Question 35

origin: interosseous membrane insertion: proximal and distal phalanges of pollex (thumb) action: extends thumb

Answer 35

extensor pollicis longus and brevis