Shoulder and back

Question 1

Name 4 shoulder joints

Answer 1

Glenohumeral
Acromioclavicular
Sternoclavicular
Scapulothoracic

Question 2

Which type of joint is the glenohumeral joint?

Answer 2

Ball and socket

the ball of the humerus fits into the glenoid

Question 3

Where is the acromioclavicular joint?

Answer 3

Between the clavicle and the scapula

Question 4

What do ligaments do?

Answer 4

Connect bone to bone

Question 5

What do tendons do?

Answer 5

Connect muscle to bone

Question 6

Where is the accordion end of the scapula?

Answer 6

Articulates with the clavicle

Question 7

Shoulder movements

Answer 7

Forward flexion
Abduction
External rotation
Internal rotation

Question 8

Name the 4 muscles involved in the rotator cuff?

Answer 8

SIT-S
Supraspinatous
Infraspinatuous
Teres minor 
Subscapularis

Question 9

Function of the rotator cuff?

Answer 9

Holds the head of the humerus in the glenoid fossa

Question 10

Which rotator cuff muscle initiates abduction

Answer 10

Supraspinatous

Question 11

Which rotator cuff muscle is involved in external rotation of the humerus?

Answer 11

Infraspinatous

Teres minor

Question 12

Which rotator cuff muscle is involved in internal rotation of the humerus?

Answer 12

Subscapularis

Question 13

Proximal attachment of all 4 rotator cuff muscles?

Answer 13

Scapula

Question 14

Distal attachment of subscapularis muscle?

Answer 14

Lesser tubercle

Question 15

Distal attachment of Supraspinatous, infraspinatous and teres minor?

Answer 15

Greater tubercle

Question 16

Which rotator cuff muscle is most commonly injured?

Answer 16

Supraspinatous

Question 17

Muscle involved in the outer layer of the rotator cuff?

Answer 17

Deltoid

Question 18

Where is the subacromial bursa

Answer 18

Between the supraspinatous tendon and the accordion process of the scapula

Question 19

Name 4 extrinsic muscles of the shoulder

Answer 19

Deltoid
Trapezius
Pectoralis major
Latissimus dorsi

Question 20

Trapezius - location

Answer 20

Attached down the midline of the back to the C and T spinous processes, also attaches to the spine of the scapula

Question 21

When you reflect the trapezius muscle, underneath are which 3 muscles?

Answer 21

Levator Scapulae
Major rhomboid
Minor rhomboid

Question 22

Levator scapulae - function

Answer 22

Elevation of scapula (shrugging shoulders)

Question 23

Muscles that flex the shoulder must be located ANTERIORLY/POSTERIORLY?

Answer 23

Anteriorly

Question 24

Which 2 muscles flex the shoulder?

Answer 24

Deltoid

Pectoralis major

Question 25

Muscles that extend the shoulder must be located ANTERIORLY/POSTERIORLY?

Answer 25

Posteriorly

Question 26

Which 2 muscles extend the shoulder?

Answer 26

Deltoid muscle

Teres major