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Flashcards in MSK Anatomy 1 --> Upper Limb Deck (67)
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1
Q

Sternoclavicular Type of Joint

A

Synovial joint

2
Q

Sternoclavicular Stabilised by

A

Costoclavicular ligament

3
Q

Acromioclavicular Type of Joint

A

Synovial joint

4
Q

Acromioclavicular Stabilised by

A

Coracoclavicular ligament

5
Q

Serratus Anterior Actions

A

Damage causes winging of scapula

6
Q

Serratus Anterior Nerve Supply

A

Long thoracic nerve

7
Q

Trapezius Actions

A

Elevates, retracts and rotates scapula

8
Q

Trapezius Nerve Supply

A

Accessory nerve

9
Q

Levator scapulae Actions Elevates scapula

A

Elevates scapula

10
Q

Levator scapulae Nerve Supply

A

Cervical nerve (C3, C4) and dorsal scapular nerve (C5)

11
Q

Rhomboid major and minor Actions

A

Retract scapula

12
Q

Rhomboid major and minor Nerve Supply

A

Dorsal Scapular nerve

13
Q

Pectoralis minor Actions

A

Flexes, adducts, internally rotates shoulder

14
Q

Pectoralis minor Nerve Supply

A

Medial pectoral nerve (C8, T1)

15
Q

Why do fractures occur in clavicle

A

• The Strong ligaments at either end of the clavicle means that fractures are more common than dislocations’ not a posterior dislocation of the medial end is dangerous as it may compress the great vessels.

16
Q

Glenohumural joint → Type of Joint

A

Synovial Joint

17
Q

Glenohumural joint → Stabilised by

A

Rotator cuffs

18
Q

Glenohumural joint → What prevents upward displacement of the humoral head

A

Coracoacromial ligament

19
Q

Glenohumural joint → What occupies the space between the greater tubercle of the humerus and the acromian

A

Rotator cuffs?

20
Q

Deltoid Action

A

Shoulder abduction, flexion and extension

21
Q

Deltoid Nerve supply

A

Axillary nerve

22
Q

Pectoralis major Action

A

Adducts and medially rotates the humerus

23
Q

Pectoralis major Nerve supply

A

Lateral and medial pectoral nerve

24
Q

Latissimus dorsi Action

A

Adducts, extend and internally rotate the arm

25
Q

Latissimus dorsi Nerve supply

A

Thoracodorsal nerve

26
Q

Teres Major Action

A

Internal rotation of the humerus

27
Q

Teres Major Nerve supply

A

Lower subscapular nerve

28
Q

Subscapularis Action

A

Abducts the arm

29
Q

Subscapularis Innervation

A

Upper and Low subscapular nerve (C5-C6)

30
Q

Supraspinatus Action

A

Internally rotates the humerus

31
Q

Supraspinatus Innervation

A

Suprascapular nerve (C5)

32
Q

Infraspinatus Action

A

Externally rotates the arm

33
Q

Infraspinatus Innervation

A

Suprascapular nerve (C5-C6)

34
Q

Teres minor Action

A

Externally rotates the arm

35
Q

Teres minor Innervation

A

Axillary nerve (C5)

36
Q

What are at risk of impingement under coracoacromial arch

A

The supraspinatus tendon and subacromial bursa

37
Q

Elbow Joint → Type of Joint

A

Synovial

38
Q

Elbow Joint → Stabilised by

A

Bony morphology, collateral ligaments

39
Q

Carrying Angle →

A

The Trochlea projects more distally than the capitulum, creating the ‘carrying angle’ at the elbow joint.
→ Male vs. Females

40
Q

Muscles of the arm

A

Triceps
Biceps
Brachialis

41
Q

Muscles acting on Shoulder joint:

A

Deltoid
Pectoralis major
Latissimus dorsi
Teres Major

42
Q

Rotator Cuff Muscles:

A

Subscapularis
Supraspinatus
Infraspinatus
Teres minor

43
Q

Triceps action

A

Extends the forearm

44
Q

Triceps innervation

A

Radial and axillary nerve

45
Q

Biceps action

A

Flexes elbows supination

46
Q

Biceps innervation

A

Musculocutaneous nerve

47
Q

Brachialis action

A

Flexion of elbow

48
Q

Brachialis innervation

A

Musculocutaneous nerve

49
Q

Radioulnar Joint → Type of Joint

A

Synovial Joints

50
Q

Radioulnar Joint → Actions at Joint

A

Pronation/Supination

51
Q

Pronator quadratus

action and nerve supply

A

Pronates forearm

Median nerve

52
Q

Pronator teres

action and nerve supply

A

Pronates Forearm

Median nerve

53
Q

Supinator

action and nerve supply

A

Supinates Radial Nerve

54
Q

Nursemaid’s elbow

A

Radial head subclavian (pulled elbow or Nursemaid’s elbow) is common in children under 5y; normally caused by a sudden pull on upper limb; radial head pulls out of annular ligament

55
Q

ulnar nerve damage due to

A

3Older patients may suffer ulnar nerve damage due to degenerative changes in the cubital tunnel where the ulnar nerve passes behind the medial epicondyle.

56
Q

Anatomical Snuffbox Boundaries

A

Posterior → Extensor pollicus longus

Anterior -> Extensor pollicus brevis

57
Q

Anatomical Snuffbox Contents

A

Radial Artery
Radial Nerve
Cephalic vein

58
Q

Single Palmar skin crease common in

A

DOWNS SYNDROME

59
Q

Dupuytren’s Contracture →

A

is a fixed flexion contracture of the hand due to a palmar fibromatosis, where the fingers bend towards the palm. Involves the palmar fascia.

60
Q

Arterial Supply to the wrist

A

Radial

Ulnar

61
Q

Arterial supply to the hand

A

Superficial palmar arterial arch

Deep palmar arterial arch

62
Q

Venous Drainage

A

Dorsal venous plexus of hand?

63
Q

Motor Nerve to wrist and hand

A

Radial and Median nerves?

64
Q

Cutaneous nerve to risk and hand

A

Radial nerve → thumb to middle ring finger

Ulnar nerve → medial side of ring finger and little finger

65
Q
  1. Osteoarthritis in the hand primarily initially affects the
A

distal interphalangeal (DIP) joints

66
Q
  1. Rhuematoid Arthritis (RA) tends to affect
A

the wrist, MCP and proximal interphalangeal (PIP) joints; RA may cause rupture of flexor and extensor tendons, and deformitis such as Swan Neck and Boutonniere

67
Q
  1. Mallet finger results from
A

forced hyperfexion of the finger which avulses the long extensor tendon, and stop the patient being able to extend the distal interphalangeal joint (DIPJ).

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