Upper extremity

Question 1

examples of minor muscle located superiorly when minor and major sections

Answer 1

teres major and minor
rhomboid major and minor

Question 2

internal rotator at shoulder region

Answer 2

latissimus dorsi
pectoralis major
anterior deltoid
subscapularis
teres major

all have distal attachments on humerous

Question 3

external rotators at shoulder region

Answer 3

posterior deltoid
infraspinatus
teres minor

infrapinatus and teres. minor on greater tuberacle & delt on deltoid tub

Question 4

rotator cuff muscles all

Answer 4

stabilize glenohumeral joint

Question 5

C5-6

Answer 5

teres major
teres minor
subscapularis
infrapinatus
supraspinatus (C4-6)
deltoid
subclavius

Question 6

C4-5

Answer 6

levator scapulae
rhomboid

Question 7

muscles with different sensory and motor nerves

Answer 7

trapezius
* motor: accessory n cranial nerve (CXI)
* sensory: C3-4

lavator scapulae
* motor: dorsal scapular nerve
* sensory: C3-4

rhomboid:
* dorsal scapular nerve
* sensory: C3-4

Question 8

triangle of auscilation

Answer 8

borders:
* inferior border: superior border of latissimus dorsi
* medial border: lower lateral border of trapezius
* lateral border: medial border of scapula

used to monitor breath sounds for cardiovascular

Question 9

dermatomes

Question 10

shoulder attachments on greater tubercle of humerus

Answer 10

superior: supraspinatus
middle: infraspinatus
inferior: teres major

facets of greater

in order of location, infra not always inferior

Question 11

vertebrae

Answer 11

spinous process: lateral
transverse: posterior

Question 12

upward rotators of scapula

Question 13

downward rotators of scapula