Osteology and Circulation of the upper limb Flashcards

1
Q

Name the bones of the upper limb

A

Scapula
Clavicle
Humerus
Radius
Ulna
Carpals
Metacarpals
Phalanges

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2
Q

State some features of the clavicle

A

S - shaped
Smooth superior surface
Rough inferior surface
Round proximal end
Flat distal end

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3
Q

Describe some features of the sternoclavicular joint

A

Very strong ligaments
Fibrocartilage lined joint
Articular disc

(proximal is stronger than distal)

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4
Q

Name some prominent parts of the scapula

A

Acromion
Coracoid process
Articular surface for clavicle

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5
Q

Name the ligaments found in the scapula

A

Acromioclavicular ligament
Coracoclavicular ligament

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6
Q

What 2 ligaments form the coracoclavicular ligament ?

A

Trapezoid ligament
Conoid ligament

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7
Q

State the 3 angles of the scapula

A

Superior
inferior
Lateral

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8
Q

State the 3 fossae of the scapula

A

Supraspinous
Infraspinous
Subscapular

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9
Q

State the 3 borders of the scapula

A

Medial
Lateral
Superior

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10
Q

State the attachment areas of the scapula

A

Glenoid fossa
Spine
Suprascapular notch

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11
Q

What forms the suprascapular notch ?

A

Upper transverse scapular ligament
Suprascapular foramen
Neurovascular relationships

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12
Q

Describe the structure of the proximal humerus

A

Head
2 tubercles
2 necks
Lumps, bumps and lines for muscle attachment

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13
Q

Name the 2 necks of the proximal humerus

A

Anatomical neck - epiphyseal growth plate
Surgical neck - associated with fractures

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14
Q

Briefly describe the glenohumeral joint

A

A joint capsule thickened by ligaments

  • 3 glenohumeral ligaments :
  • superior
  • middle
  • inferior
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15
Q

State the names of the 3 glenohumeral ligaments

A

Superior - Coraco-humeral ligament
Middle - Transverse humeral ligament
Inferior - Long head of biceps

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16
Q

What does the glenohumeral joint contain ?

A

Muscles (rotator cuff)
Bursae (subacromial and subscapular)

(also subcoracoid and coracobrahial) - bursae

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17
Q

Describe the structure of the humerus

A

2 Tubercles
- inter-tubercular sulcus
- medial lateral lips

Lumps, bumps and lines for muscle attachment

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18
Q

State the common places for humerus fractures

A

Surgical neck (axillary nerve)
Mid-shaft (spinal groove : radial nerve)
Supracondylar (median nerve)

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19
Q

Capitulum

A

Radius attachment

20
Q

Trochlea

A

Ulna attachment

21
Q

State some parts of the proximal ulna

A

Trochlear notch
Coronoid process

22
Q

State some parts of the proximal radius

A

Rounded head
Neck
Radial tuberosity

23
Q

Describe the elbow joint

A

Complex joint :

Humero-ulnar joint
Humero-radial joint

NOTE : Shares a capsule with the proximal radio-ulnar joint

24
Q

What is known as “pulled elbow” ?

A

Annular Ligament

25
Q

Describe the bursae in the elbow joint

A

They are named for the muscles to which they relate.

Olecranon bursae

26
Q

State some features of the radius

A

Head
Neck
Radial tuberosity
Interosseous border
Pronator tuberosity
Radial styloid process
Facets for articulation with scaphoid and lunate bones
Dorsal tubercle

27
Q

State some features of the ulna

A

Trochlear notch
Olecranon
Coronoid process
Radial notch
Tuberosity of ulna
Interosseous border
Ulnar styloid process

28
Q

Where is the Colles fracture located ?

A

The distal radius
Looks like a dinner fork deformity

29
Q

Describe the distal radio-ulnar joint

A

Fibrous disc
Anterior and posterior radio-ulnar ligaments (weak)

Synovial membrane
- sacciform recess to aid movement

30
Q

What is radio-ulnar movement ?

A

Supination
Pronation

31
Q

How many bones are in the hand ?

A

27 bones

14 Phalanges
5 Metacarpals
8 Carpals

32
Q

Name the carpal bones

A

Scaphoid
Lunate
Triquetrum
Pisiform
Hamate
Capitate
Trapezoid
Trapezium

33
Q

What 2 carpal bones are near the radius ?

A

Scaphoid and Lunate

34
Q

Describe the radoiocarpal joint

A

“Wrist joint”

Ulna does not take part
Separated by a fibrocartilage disc

35
Q

What ligaments are involved in the radoiocarpal joint ?

A

Palmar and dorsal radio-carpal ligaments

Palmar ulno-carpal ligament

Radial and ulnar collateral ligaments

36
Q

What are inter-carpal joints involved in ?

A

They are plane joints
Involved in sliding movement

37
Q

Describe the mid-carpal joints

A

Found between rows
Abduction / Extension

38
Q

State the carpal joints

A

Inter-carpal
Mid carpal
Pisiotriquetral
Carpal-metacarpal

JOINTS

39
Q

Describe carpal-metacarpal joints

A

1st saddle joint
2-5 condyloid joints

40
Q

Describe the formation of the carpal tunnel

A

Carpal bones form a carpal arch
Flexor retinaculum forms a roof

Connects between medially :
- Hook of Hamate
- Pisiform

laterally :
- Tubercle of Trapezium
- Scaphoid

41
Q

What type of joint is the 1st Carpal-metacarpal joint ?

A

Saddle joint
Separate from other CNC joints

42
Q

What type of joint is Metacarpal-phalangeal joint ?

A

Condylar joint
Collateral and palmar ligaments

43
Q

What type of joint is the Interphalangeal joint ?

A

Hinge joints
Collateral and palmar ligaments

44
Q

Movement of interphalangeal joints

A

Flexion and Extension

45
Q

Movement of Metacarpal-phalangeal joints

A

Flexion/Extension
Adduction/Abduction
Middle finger axis