Module 9

Question 1

How many muscles are in the upper body?

Answer 1

13

Question 2

What are the muscles in the upper body?

Answer 2

Trapezius,
rhomboid major,
pectoralis major,
pectoralis minor,
latissumus dorsi,
deltoid,
biceps brachii,
triceps brachii,
pronator teres,
supinator,
flexor carpi ulnaris,
extensor carpi ulnaris,
oponens digiti

Question 3

Origin and insertion: trapezius?

Answer 3

O: occipital and spinous processes of C7-T12
I: lateral of clavicle and acromial and spine of scapula

Question 5

Origin and insertion: rhomboid major

Answer 5

O: thoracic vertebrae T2-T5
I: medial border of scapula

Question 6

Origin and insertion: pectoralis minor?

Answer 6

O: ribs 3-5
I: caracoid process of scapula

Question 7

Origin and insertion: pectoralis major

Answer 7

O: sternum and costal cartilage 2-4
I: greater tubercle of humerus

Question 8

Origin and insertion: latissimus dorsi

Answer 8

O: sacrum + inferior scapula
I: intertubercular sulcus of humerus

Question 9

Origin and insertion: deltoid

Answer 9

O: clavicle, acromial, scapular spine
I: deltoid tuberosity of humerus

Question 10

Origin and insertion: biceps brachii

Answer 10

O: supraglenoid tubercle and Coracoid process of scapula
I: radial tuberosity

Question 11

Origin and insertion: triceps brachii

Answer 11

O: intraglenoid tuberosity of scapula
I: olecranon of ulna

Question 12

Origin and insertion: pronator teres

Answer 12

O: medial epicondyle of forearm
I: lateral surface of radius

Question 13

Origin and insertion: supinator

Answer 13

O: proximal ulna
I: proximal radius

Question 14

Origin and insertion: flexor carpi ulnaris

Answer 14

O: olecranon of ulna
I: base of metacarpal 5

Question 15

Origin and insertion: extensor carpi ulnaris

Answer 15

O: posterior ulnar
I: base of metacarpal 5

Question 16

Origin and insertion: oponens digiti

Answer 16

O: hook of hamate
I: ulnar border of metacarpal 5

Question 17

Which muscles lift shoulders, shrug and pull the shoulder blades backwards?

Answer 17

Trapezius

Question 18

Which muscles stabilize the scapula when the pectoral girdle moves?

Answer 18

Rhomboid major

Question 19

Which muscles flex the humerus?

Answer 19

Pectoralis major, deltoid

Question 20

Which muscles adduct the humerus?

Answer 20

Pectoralis major, latissumus dorsi

Question 21

Which muscles medically rotate the humerus?

Answer 21

Pectoralis major, latissumus dorsi, deltoid

Question 22

Which muscles extend the humerus?

Answer 22

Latissumus dorsi, deltoid

Question 23

Which muscles abduct the humerus?

Answer 23

Deltoid

Question 24

Which muscles laterally rotate the humerus?

Answer 24

Deltoid

Question 25

Which muscles flex the forearm?

Answer 25

Biceps brachii

Question 26

Which muscles supinate the forearm?

Answer 26

Biceps brachii and supinator

Question 27

Which muscles extend the forearm?

Answer 27

Triceps brachii

Question 28

Which muscles pronate the forearm?

Answer 28

Pronator teres

Question 29

Which muscles adduct the wrist?

Answer 29

Flexor carpi ulnaris and extensor carpi ulnaris

Question 30

Which muscles flex the wrist?

Answer 30

Flexor carpi ulnaris

Question 31

Which muscles extend the wrist

Answer 31

Extensor carpi ulnaris

Question 32

Which muscles perform opposition?

Answer 32

Oponens digiti

Question 33

Which nerve innervates trapezius?

Answer 33

CNXI (accessory nerve, thru jugular foramen)

Question 34

Which nerve innervates rhomboid major

Answer 34

Dorsal scapular nerve

Question 35

Which nerve innervates pectoralis minor

Answer 35

Medial pectoral nerve

Question 36

Which nerve innervates pectoralis major

Answer 36

Nerves C7-T1

Question 37

Which nerve innervates latissumus dorsi

Answer 37

Thoracodorsal nerve

Question 38

Which nerve innervates deltoid

Answer 38

Axillary nerve

Question 39

Which nerve innervates biceps brachii

Answer 39

Musculocutaneous nerve

Question 40

Which nerve innervates triceps brachii

Answer 40

Radial nerve

Question 41

Which nerve innervates pronator teres?

Answer 41

Median nerve

Question 42

Which nerve innervates supinator

Answer 42

Deep radial nerve

Question 43

Which nerve innervates flexor carpi ulnaris

Answer 43

Ulnar nerve

Question 44

Which nerve innervates extensor carpi ulnaris

Answer 44

Deep radial nerve branch

Question 45

Which nerve innervates oponens digiti

Answer 45

Ulnar nerve