Test 3 Part 2

Question 1

4 muscles that stabalize glenohumeral joint

Answer 1

subcapularis m.
supraspinatus m.
infraspinatus m.
teres minor m.

Question 2

subcapularis insertion

Answer 2

lesser tubercle of humerus

Question 3

Which 3 muscles insert on greater tubercle of humerus

Answer 3

supraspinatus
infraspinatus
teres minor

Question 4

subcapularis action

Answer 4

active internal rotation of GH joint

Question 5

Supraspinatus action

Answer 5

active abduction of GH joint

Question 6

infraspinatus action

Answer 6

active external rotation of glenohumeral joint

Question 7

teres minor action

Answer 7

active external rotation of Gh joint

Question 8

most common rotator cuff muscle to tear

Answer 8

supraspinatus m.

Question 9

subscapularis innervation

Answer 9

upper and lower subscapular nerves

Question 10

infraspinatus and supraspinatus innervation

Answer 10

suprascapular n.

Question 11

teres minor innervation

Answer 11

axillary nerve

Question 12

What passes through quadrangular space?

Answer 12

axillary nerve

post. humeral circumflex artery

Question 13

What forms the quadrangular space?

Answer 13

teres minor
surgical neck of humerus
teres major
long head triceps brachii

Question 14

pectoralis major origins

Answer 14

clavicular head
sternal head

Question 15

Pecotalis major insertion

Answer 15

famous insertion
lateral lip of intertubercular (bicipital) groove

Question 16

pectoralis major innervation

Answer 16

lateral pectoral nerve
Medial pectoral nerve

Question 17

pectoralis minnor innervation

Answer 17

medial pectoral nerves

Question 18

pectoralis minnor origin

Answer 18

coracoid process

Question 19

pectoralis minor innsertion

Answer 19

ribs 3, 4, &5

Question 20

subclavius m. innervation

Answer 20

nerve to subclavius

Question 21

subclavius location

Answer 21

below clavicle
above 1st rib

Question 22

Actions of sternal head of pec major

Answer 22

active internal rotation of GH joint
active adduction of GH joint

Question 23

action of clavicular head of pec major

Answer 23

active flexion of glenohumeral joint

Question 24

pec minor action

Answer 24

scapular stabalizer

Question 25

subclavius m. action

Answer 25

stabilize clavicle

Question 26

Serratus Anterior Origin

Answer 26

Upper 8-9 ribs

Question 27

serratus anterior insertion

Answer 27

medial border of scapula

Question 28

What m. to be aware of during chest tube insertion?

Answer 28

Serratus anterior

Question 29

serratus anterior innervation

Answer 29

long thoracic nerve

Question 30

serratus anterior actions

Answer 30

stabalize scapula against thorax

rotate glenoid fossa up during abduction

protract scapula

Question 31

what causes winged scapula?

Answer 31

long thoracic nerve injury

Question 32

Muscles Important points

Answer 32

muscle move joints
muscles stabalize joints
origin of muscle is always stationary
innsertion of msucle is what moves
muscles always pull, they can’t push
always pull in direction of origin

Question 33

Function of shoulder girdle

Answer 33

form triangular strut for suspending the upper limb from the trunk

Question 34

Is shoulder girdle part of the upper limb?

Answer 34

yes

Question 35

Surgical neck fracture can damage which nerve?

Answer 35

Axillary nerve

Question 36

Latissimus dorsi insertion?

Answer 36

intertubercular groove

Question 37

Teres major insertion

Answer 37

medial lip intertubercular (bicipital) groove

Question 38

teres minor insertion

Answer 38

Greater tubercle of humerus