Shoulder

Question 1

shoulder innervation

Answer 1

C6-C8

Question 2

Innervation to pec major

Answer 2

medial and lateral pectoral nerves

Question 3

pec minor origin

Answer 3

ribs 3-5

Question 4

pec minor nerve

Answer 4

medial pectoral

Question 5

action of pec minor

Answer 5

scapular protraction and depression

Question 6

origin of serratus anterior

Answer 6

ribs 1-8

Question 7

action of serratus

Answer 7

protraction and upward rotation

Question 8

primary cause of winging scap

Answer 8

LTN injury

Question 9

◊ Supplies pectoral muscles and deltoid

Answer 9

• Thoracoacromial artery

Question 10

• Lateral thoracic artery

Answer 10

◊ Courses with the long thoracic nerve

◊ Supplies serratus anterior and pectoral muscles

Question 11

innervation to back muscles

Answer 11

C5-C7

Question 12

Trapezius origin

Answer 12

occipital bone, nuchal ligament, thoracic spinous processes

Question 13

Trapezius insertion

Answer 13

clavicle, acromion, spine of scapula

Question 14

trap does what rotation on scap

Answer 14

upward (along with serratus)

Question 15

lower trap does what to scapula

Answer 15

depression

Question 16

Levator scapulae

Answer 16

elevation

DOWNWARD rotation

Question 17

innervation to levator and rhomboids

Answer 17

dorsal scaular nerve

Question 18

Rhomboid minor and Rhomboid major

Origin

Answer 18

nuchal ligament, thoracic spinous processes

Question 19

Rhomboid minor and Rhomboid major action

Answer 19

retraction and downward rotation of scapula

Question 20

what muscles downward rotate scap

Answer 20

levator

rhomboids

Question 21

what muscles upward rotate scap

Answer 21

serratus

trapezius

Question 22

3 actions of lat

Answer 22

extension, adduction, and medial rotation of GHJ

Question 23

nerve to the lat

Answer 23

thoracodorsal nerve

Question 24

thoracodorsal nerve innervates what (2)

Answer 24

1. lat

Question 25

innervation to deltoid

Answer 25

axillary nerve

Question 26

Lesion of the ? can be tested by palpation of the deltoid muscle while abducting against resistance (after initial 15º) & by loss of skin sensation (pain, temperature, touch) on lateral aspect of shoulder

Answer 26

axillary nerve

Question 27

innervation to teres major

Answer 27

lower subscapular nerve

Question 28

Teres major action

Answer 28

medial rotation and adduction of GHJ

Question 29

supraspinatus innervation

Answer 29

suprascapular nerve

Question 30

Innervation to infraspinatous

Answer 30

suprascapular nerve

Question 31

innervation to teres minor

Answer 31

axillary nerve

Question 32

innervation to subscapularis

Answer 32

upper and lower subscapular nerves

Question 33

◊ Transverse cervical artery | gives off what two branches

Answer 33

1. superficial | 2. Deep- dorsal scapular

Question 34

Thyrocercical trunk gives off what two branches

Answer 34

1. Transverse cervical 1a. superficial 1b. Deep (dorsal scapular) 2. Suprascapular

Question 35

what structures travel though the suprascapular notch

Answer 35

1. suprascaular artery | 2. Suprascapular nerve