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Upper Limb > Joints > Flashcards

Joints Flashcards

1
Q

Classify the Glenohumeral Joint

A

Ball and Socket Synovial Joint

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2
Q

Articulating surfaces of the Glenohumeral Joint

A

Humeral Head and

Glenoid Fossa of Scapula

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3
Q

What is the capsule attachment of the glenohumeral joint

A

Margin of glenoid cavity and
Anatomical neck of humerus

Encloses Long Head of Biceps

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4
Q

What does the synovial membrane of the glenohumeral joint line

A

Entire inside surface of joint capsule
Humerus
Glenoid Labrum
Joint cavity part of Biceps tendon

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5
Q

What are the ligaments associated with the glenohumeral joint

A

Glenohumeral ligaments (3 of them on anterior side)
Coracohumeral Ligament
Transverse humeral Ligament
Coracoacromial ligament

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6
Q

What muscles act on the glenohumeral joint?

A 
Axio-appendicular muscles (Indirectly)
Scapulohumeral muscles (directly)
Shunt muscles (prevent dislocation)
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7
Q

What is the blood supply of the glenohumeral joint?

A

Anterior and Posterior circumflex humeral arteris
suprascapular artery
subscapular artery

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8
Q

What is the innervation of the glenohumeral joint?

A

Articular br. of Axillary N.
Articular br. of Suprascapular N.
Articular br. of Lateral pectoral N.

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9
Q

What are the bursae associated with the glenohumeral joint?

A

Subscapular bursa
Subtendinous bursa of subscsapula
Subacromial bursa (subdeltoid bursa)

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10
Q

What does the coracoacromial arch consist of

A

coracoid process
coracoacaromial ligament
acromion

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11
Q

What does the coracoacromial arch do

A

prevents upward dislocation of the humerus

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12
Q

What is the subacromial bursa (subdeltoid bursa) inferior to

A

coraco-humeral arch
coracoacromial ligament
deltoid

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13
Q

What are the attachments of the coracohumeral ligament

A

Inferior surface of coracoid process

Greater tubercle of humerus

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14
Q

Describe the transverse humeral ligament

A

covers the superior intertubulcular sulcus

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15
Q

Classify the elbow joint

A

hinge type of synocial joint

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16
Q

What are the articulating surfaces of the elbow joint

A

trochlea and trochlear notch of ulna

Capitulum and head of radius

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17
Q

What is the capsule attachment of the elbow joint

A

attaches to humerus at medial and lateral ends of articulating surfaces

Attaches to coronoid and olecranon fossae

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18
Q

Where does the synovial membrane run of the elbow joint

A

lines interior surface of capsule
Intracapsular and non-articular parts of humerus
continuous with synovial membrane of radio-ulnar joint
strengthened by collateral ligaments on each side

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19
Q

What are the ligaments associated with the elbow joint

A

Radial collateral Ligament
-Blends distally with annular ligament of radius

Ulnar collateral ligament
-From medial epicondyle of humerus to coronoid process of ulna

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20
Q

What muscles act on the elbow joint

A

chief flexors =
biceps brachii and barchialis

Chief extensors = triceps brachii

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21
Q

What is the blood supply of the elbow joint

A

derived from anastomosis of elbow joint

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22
Q

What is the nerve supply of the elbow joint

A

musculocutaneous N.
Radial N.
Ulnar N.

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23
Q

What are the bursae associated with the elbow joint

A

Intratendinous olecranon bursa
Subtendinous olecranon bursa
Subcutaneous olecranon bursa
Bicipitoradial bursa

24
Q

Which ligament keeps the head of the radius in place

A

Annular ligament

25
Q

What does the anular ligament continue as distally

A

Sacciform recess of radio-ulnar joint

26
Q

What is Hilton’s law

A

Motor nerve to a muscle supplies branch to joint on which muscle has action as well as to the overlying skin

27
Q

What is the classification of the sternoclavicular joint

A

Saddle type of synovial joint

BUT FUNCTIONS AS A BALL AND SOCKET JOINT

28
Q

What are the articulating surfaces of the sternoclavicular joint

A

Medial clavicle
Manibrius of sternum
First costal cartilage

29
Q

What is the function of the sternoclavicular joint

A

Shock absorer

Prevents medial clavicle displacement

30
Q

What are the ligaments assiciated with the sternoclaavicular joint

A

Anterior and posterior sternoclavicular ligaments
Interclavicular ligament
Costoclavicular ligament

31
Q

What are the movements that take place at the sternoclavicular joint

A 
Flexion
Extension
Medial/lateral rotation
Abduction
Adduction
32
Q

What is the classification of the acromioclavicular joint

A

Plane type of synovial joint

33
Q

What are the articulating surfaces of the acromioclavicular joint

A

Acromion of scapula

Lateral end of clavicle

34
Q

What ligaments are associated with the acromioclavicular joint

A

Acromioclavicular ligament

Coracoclavicular ligament

35
Q

What movements take place at the acromioclavicular joint

A

Rotation of acromion

36
Q

What is the blood supply of the acromioclavicular joint

A

Suprascapular A.

Thoracoacromial A.

37
Q

What is the innervation of the acromioclavicular joint

A

suprascapular N.
Lateral Pectoral N.
Acilary N.

38
Q

What is the classification of the radiocarpal joint

A

condyloid type of synovial joint

39
Q

What are the articulating surfaces of the radiocarpal joint

A

distal radius
Scaphoid, Lunate, Triquetrium
Articular disk

40
Q

What are the ligaments associated with the radiocarpal joint

A

Palmar and dorsal radiocarpal ligaments
Ulnar collateral ligament
Radial collateral ligament

41
Q

What are the movements that take place at the radiocarpal joint

A

Flexion
Extension
Abduction
Adduction

42
Q

Classify the proximal radio-ulnar joint

A

picot type of synovial joint

43
Q

Describe the capsule of the proximal radio-ulnar joint

A

continuous with that of the elbow joint

44
Q

Classify the distal radio-ulnar joint

A

Pivot type synovial joint

45
Q

What are the ligaments associated with the distal radio-ulnar joint

A 
Firbrocartilage disk (articular disk)
= Triangular

Anterior lig.
Posterior Lig.

46
Q

What is the movement that takes place at the distal radio-ulnar joint

A

Rotation of the ulnar head

47
Q

What is the movement that takes place at the proximal radio-ulnar joint

A

rotation of radius

48
Q

What is the classification of the Carpometacarpal joints and the Intermetacarpal joints

A

plane type of synovial joint

Thumb:
Saddle type of synovial joint

49
Q

What are the ligaments associated with the carpometacarpal and intercarpal joints

A

Anterior and Posterior carpometacarpal ligaments
Anterior and Posterior Intermetacarpal Ligaments
Interosseous Ligaments

50
Q

What is the classification of the metacarpophalangeal joint

A

Condyloid type of synovial joint

51
Q

What are the ligaments associated with the metacarpophalangeal joints

A

Collateral Lig.
Palmar Lig.
Deep transverse Lig.

52
Q

What is the classification of the Proximal Interphalangeal and Distal Interphalangeal joints

A

Hinge type of synovial joints

53
Q

What are the ligaments associated with the proximal interphalangeal and distal interphalangeal joints

A

Palmar and dorsal interphalangeal Ligs.

Collateral Ligs.

54
Q

What is the Subacromial Bursa (Subdeltoid Bursa) superior to

A

Joint capsule

Tendon of supraspinatus

55
Q

What are the three types of joints

A

Fibrous joints
Catilaginous joints
Synovial joints

Upper Limb (10 decks)

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