Anatomy of Shoulder Flashcards Preview

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Flashcards in Anatomy of Shoulder Deck (31)
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1
Q

What type of joint is the acromioclavicular joint?

A

Synovial gliding/planer joint

2
Q

What type of joint is the elbow?

A

Synovial hinge joint

3
Q

What type of joint is the sternoclavicular joint?

A

Synovial saddle joint (two plane movements)

4
Q

What type of joint is the knuckle joint?

A

Synovial condyloid joint

5
Q

What type of joint is the shoulder joint?

A

Synovial ball and socket joint

6
Q

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

A

Synovial pivot joint

7
Q

Name the three processes of the scapula?

A

Coracoid
Spinous
Acromion

8
Q

Where does the upper limb start?

A

Sternoclavicular joint (saddle joint)

9
Q

What are bursae?

A

Little pockets of synovial fluid which protects the tendons

10
Q

Where do the trapezius muscles attach?

A

Superior to scapula spinous process

11
Q

What is the major function of the deltoid muscles?

A

Abduction

12
Q

What is the major function of the latissimus dorsi muscles?

A

Adduction

13
Q

What is the nerve innervation to the deltoid muscles?

A

Axillary nerve

14
Q

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

A

Neck to the superior scapula angle

Rotates the scapula

15
Q

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

A

Bicepotal grove of humerous to inferior scapula angle

Adduction

16
Q

What is the function of the rhomboids?

A

Stabilise the scapula

17
Q

Name the three posterior rotator cuff muscles?

Where do they all attach onto?

A

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

18
Q

Name the two abductors of the shoulder?

A

Deltoids

Supraspinatous - initiates

19
Q

Name the three adductor muscles of the shoulder?

A

Latissimus dorsi (major adductor)
Teres major
Pectoralis major

20
Q

Name the three lateral rotator muscles of the shoulder?

A

Infraspinatous
Teres minor
Posterior fibres of deltoid

21
Q

Name the extensor muscle of the shoulder?

Where does this muscle attach?

A

Long head of triceps

Infraglenoid tubercle

22
Q

Name the three stabilisers of the scapula?

A

Rhomboids
Seratous anterior
Pectoralis minor

23
Q

What is the action of biceps brachi on the shoulder?

A

Flexion

24
Q

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

A

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

25
Q

What are the two flexor muscles of the shoulder?

A

Biceps brachi

Coracobrachi

26
Q

What is the action of subscapularis?

A

Medial rotation of the shoulder

27
Q

What nerve innervates seratous anterior?

A

Long thorassic nerve

28
Q

In the axilla what structures form the anterior wall?

A

Pectoralis major
Pectoralis minor
Subclavious muscle

29
Q

In the axilla what structures form the posterior wall?

A

Latissimus dorsi
Teres major
Subscapularis
Long head of triceps brachii

30
Q

In the axilla what structures form the apex?

A

Lateral margin of rib 1
Clavicle
Superior scapula margin

31
Q

Where does the subclavian artery become the axillary artery?

A

Lateral margin of rib 1