Module 8

Question 1

What is considered the shoulder girdle?

Answer 1

Scapula and clavicle

Question 2

What is considered the limb of the upper extremities?

Answer 2

Arm, forearm and hand

Question 3

What is the only attachment to the trunk from the upper extremity?

Answer 3

Sternoclavicular joint

-relies mostly on muscular tissue

Question 4

What is the function of the shoulder girdle?

Answer 4

Provide stability to allow function of the upper limb

Question 5

What are the joints of the shoulder girdle?

Answer 5

Acromionclavicular AC
Sternocalvicular SC
Scapulothoracic (not true)
Glenohumeral

Question 6

What kind of stabilizers are there for the GH joint?

Answer 6

Dynamic and Structural

Question 7

What are the dynamic stabilizers of the GH joint?

Answer 7

Rotator Cuff

Question 8

What do the dynamic stabilizers do for the GH joint?

Answer 8

Provide mobility and stability

Question 9

What are the structural stabilizers of the GH joint?

Answer 9

Ligaments
Labrum
Capsule

Question 10

No Scapula movement = ?

Answer 10

No shoulder movement

Question 11

Movements of the GH or shoulder joint

Answer 11

Flex/extend
adduct/abduct
Lateral/medial rotation
circumduction

3 degrees of freedom

Question 12

What term is used to describe the coordinated activity of muscles acting on the scapula and the glenohumeral joint^

Answer 12

Scapulohumeral rhythm

Question 13

The subacromial space (between acromion and head of humerus) is theorized to be what?

Answer 13

A pain generator - hard to figure out what is wrong

Question 14

What muscle bring the humerus up?

Answer 14

Deltoid

Question 15

What muscle bring the head up and towards centre?

Answer 15

Supraspinatus

Question 16

What muscle bring the bottom of scapular laterally and up - protract the scapula?

Answer 16

Serratus anterior

Question 17

What muscle bring the lateral side of the clavical up?

Answer 17

Trapezius

Question 18

What are the joints of the elbow?

Answer 18

Humeroulnar joint
Humeral radial joint
Superior radioulnar joint
Inferior radioulnar joint

Question 19

What are the movements and degrees of the elbow joint?

Answer 19

2 degrees

Flex/extend
pronate/supinate

Question 20

What are the movements and degrees of the wrist?

Answer 20

2 degrees

Flex/extend
ulnar/radial deviation

Question 21

What kind of wrist deviation goes further (good to try)

Answer 21

Ulnar deviation

Question 22

What are the functions of the hand?

Answer 22

Movement
function
sensation/discrimination
Coordination/dexterity

Question 23

What are the different grips of the hand?

Answer 23

Power Grip
Pinch grip
hook grip
Key grip

Question 24

What are 3 muscles that can act as elbow flexors

Answer 24

Biceps Brachii
Brachialis
Brachioradialis

Question 25

Which of the elbow flexors has a better mechanical advantage when the forearm is supinated?

Answer 25

Biceps Brachii

Question 26

What are the carpal bones and how many?

Answer 26

8
Scaphoid
Trapezium
Trapezoid
Capitate
Lunate
Hamate
Triquetrum
Pisiform

Question 27

Is the thumb involved in the hook grip?

Answer 27

No

Question 28

Describe the Key grip

Answer 28

Extended thumb on radial side of index finger

Question 29

What is the Negative intra articular pressure of the GH joint?

Answer 29

IAP - airtight seal or suction cup against gravity

Question 30

What is the most superficial nerve on the elbow joint?

Answer 30

Ulnar nerve