Anatomy of Shoulder

Question 1

What type of joint is the acromioclavicular joint?

Answer 1

Synovial gliding/planer joint

Question 2

What type of joint is the elbow?

Answer 2

Synovial hinge joint

Question 3

What type of joint is the sternoclavicular joint?

Answer 3

Synovial saddle joint (two plane movements)

Question 4

What type of joint is the knuckle joint?

Answer 4

Synovial condyloid joint

Question 5

What type of joint is the shoulder joint?

Answer 5

Synovial ball and socket joint

Question 6

What type of joint is between C1 (atlas) and C2 (axis)

Answer 6

Synovial pivot joint

Question 7

Name the three processes of the scapula?

Answer 7

Coracoid
Spinous
Acromion

Question 8

Where does the upper limb start?

Answer 8

Sternoclavicular joint (saddle joint)

Question 9

What are bursae?

Answer 9

Little pockets of synovial fluid which protects the tendons

Question 10

Where do the trapezius muscles attach?

Answer 10

Superior to scapula spinous process

Question 11

What is the major function of the deltoid muscles?

Answer 11

Abduction

Question 12

What is the major function of the latissimus dorsi muscles?

Answer 12

Adduction

Question 13

What is the nerve innervation to the deltoid muscles?

Answer 13

Axillary nerve

Question 14

What are the two points of attachment of levator scapula, and what is its function?

Answer 14

Neck to the superior scapula angle

Rotates the scapula

Question 15

What are the two points of attachment of the teres major muscle, and what is its function?

Answer 15

Bicepotal grove of humerous to inferior scapula angle

Adduction

Question 16

What is the function of the rhomboids?

Answer 16

Stabilise the scapula

Question 17

Name the three posterior rotator cuff muscles?

Where do they all attach onto?

Answer 17

Supraspinatous - Tendon to top of greater tubercle
Infraspinatous - Tendon to greater tubercle (middle)
Teres minor - Tendon to greater tubercle (middle)

Question 18

Name the two abductors of the shoulder?

Answer 18

Deltoids

Supraspinatous - initiates

Question 19

Name the three adductor muscles of the shoulder?

Answer 19

Latissimus dorsi (major adductor)
Teres major
Pectoralis major

Question 20

Name the three lateral rotator muscles of the shoulder?

Answer 20

Infraspinatous
Teres minor
Posterior fibres of deltoid

Question 21

Name the extensor muscle of the shoulder?

Where does this muscle attach?

Answer 21

Long head of triceps

Infraglenoid tubercle

Question 22

Name the three stabilisers of the scapula?

Answer 22

Rhomboids
Seratous anterior
Pectoralis minor

Question 23

What is the action of biceps brachi on the shoulder?

Answer 23

Flexion

Question 24

Where does the long head of biceps brachi attach on to?

Answer 24

Travels in-between the greater and lesser tubercle (intertubercular groove) and attaches on top of the glenoid fossa on the superior glenoid tubercle

Question 25

What are the two flexor muscles of the shoulder?

Answer 25

Biceps brachi

Coracobrachi

Question 26

What is the action of subscapularis?

Answer 26

Medial rotation of the shoulder

Question 27

What nerve innervates seratous anterior?

Answer 27

Long thorassic nerve

Question 28

In the axilla what structures form the anterior wall?

Answer 28

Pectoralis major
Pectoralis minor
Subclavious muscle

Question 29

In the axilla what structures form the posterior wall?

Answer 29

Latissimus dorsi
Teres major
Subscapularis
Long head of triceps brachii

Question 30

In the axilla what structures form the apex?

Answer 30

Lateral margin of rib 1
Clavicle
Superior scapula margin

Question 31

Where does the subclavian artery become the axillary artery?

Answer 31

Lateral margin of rib 1