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SHB > 9.27.16 Joints of the Upper Extremity > Flashcards

9.27.16 Joints of the Upper Extremity Flashcards

1
Q

What type(s) of joint is the glenohumeral joint?

A

Multiaxial, synovial, ball and socket

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2
Q

What is the most easily dislocated joint?

A

Glenhumeral joint

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3
Q

What is a joint capsule?

A

Envelope surrounding a synovial joint

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4
Q

What type(s) of movement does the joint capsule of the glenohumeral joint allow?

A

Flexion, extension, abduction, adduction, protraction, retraction, circumduction

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5
Q

Where is the coracohumeral ligament connected?

A

Coronoid process to greater tubercle humerus

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6
Q

Where is the transverse humeral ligament connected?

A

Greater and lesser tubercles of the humerus

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7
Q

What does the transverse humeral ligament do?

A

Holds the tendon of the long head of biceps in place

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8
Q

Where is the glenohumeral ligament connected?

A

Supraglenoid tubercle to lesser tubercle humerus

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9
Q

What is the glenoid labrum of the glenohumeral joint?

A

Fibrocartilaginous ligament surrounding margin of glenoid cavity; deepens socket

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10
Q

What are the three bursae of the glenohumeral joint and what do they do?

A

Subacromial, subdeltoid, subscapular; Allows greater ease of movement

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11
Q

What type(s) of joint is the acromioclavicular (AC) joint?

A

Synovial planar

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12
Q

What type(s) of movement does the joint capsule of the acromioclavicular joint allow?

A

Gliding movement as arm is raised and scapular rotates

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13
Q

Where is the acromioclavicular ligament connected?

A

Acromion process to clavicle

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14
Q

What are the two types of coracoclavicular ligaments?

A

Conoid (medial); trapezoid (lateral)

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15
Q

What do the coracoclavicular ligaments do?

A

Reinforce joint; stabilize clavicle

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16
Q

What type(s) of joint is the sternoclavicular joint?

A

Saddle-type synovial joint with disc

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17
Q

What does the sternoclavicular joint do?

A

Anchors upper extremity to axial skeleton

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18
Q

What type(s) of movement does the joint capsule of the sternoclavicular joint allow?

A

Elevation, depression, protraction, retraction, circumduction

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19
Q

Where are the sternoclavicular ligaments connected?

A

Clavicle and manubrium; anterior and posterior segments

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20
Q

Where are the interclavicular ligaments connected?

A

Between clavicles

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21
Q

Where are the costoclavicular ligaments connected?

A

Clavicle to 1st rib

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22
Q

What do the costoclavicular ligaments do?

A

Anchor clavicle to first rib

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23
Q

The tendons of the four ___ muscles help stabilize the scapulohumeral joint without inhibiting the extensive range of motion at the shoulder.

A

Rotator cuff (supraspinatus, infraspinatus, teres minor, subscapularis)

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24
Q

What type(s) of joint is the humero-ulnar (elbow) joint?

A

Uniaxial, synovial, hinge joint (ginglymus)

25
Q

What type(s) of movement does the joint capsule of the humero-ulnar joint allow?

A

Flexion and extension

26
Q

Where is the ulnar collateral ligament connected?

A

Medial epicondyle to coronoid process and olecranon of elbow

27
Q

What is distinct about the ulnar collateral ligament?

A

Triangular ligament with distinct bands

28
Q

Where is the radial collateral ligament connected?

A

Lateral epicondyle to radial notch of ulna and annular ligament

29
Q

What type(s) of joint is the proximal radio-ulnar joint?

A

Uniaxial, synovial, pivot joint

30
Q

Where is the annular ligament connected?

A

Surrounds radial head and radial notch of ulna

31
Q

What does the annular ligament do?

A

Keeps head of radius in notch; permits pronation and supination

32
Q

What is the interosseous membrane?

A

Fibrous joint (syndesmosis) uniting the radius and the ulna; divides forearm into anterior and posterior compartments; serves as site of muscle attachment for both anterior and posterior compartment muscles

33
Q

What type(s) of joint is the distal radio-ulnar (wrist) joint?

A

Uniaxial, synovial

34
Q

What type(s) of movement does the joint capsule of the distal radio-ulnar joint allow?

A

Pronation and supination

35
Q

The joint capsule of the distal radio-ulnar joint extends from the ulnar ___ around the ulnar ___ of radius.

A

Head; notch

36
Q

Where are the palmar and dorsal radio-ulnar ligaments connected?

A

Extend transversely between radius and ulna

37
Q

What type(s) of joint is the radiocarpal joint?

A

Biaxial, synovial, ellipsoid

38
Q

What type of movement(s) does the joint capsule of the radiocarpal joint allow?

A

Flexion, extension, abduction, adduction, and circumduction of the wrist

39
Q

The joint capsule of the radiocarpal joint extends from the ___ to ___, and the ___ to ___.

A

Radius to scaphoid; lunate and triquetrum

40
Q

Where is the palmar radiocarpal ligament connected?

A

Radius to scaphoid, lunate, and triquetrum

41
Q

Which ligament is strong and which is weak - palmar radiocarpal ligament and dorsal radiocarpal ligament?

A

Strong: palmar radiocarpal ligament
Weak: dorsal radiocarpal ligament

42
Q

Where is the dorsal radiocarpal ligament connected?

A

Radius to scaphoid, lunate, and triquetrum

43
Q

Where is the radial collateral ligament connected?

A

Radius to scaphoid and triquetrum

44
Q

What does the radial collateral ligament do?

A

Helps stabilize proximal row of carpals

45
Q

Where is the ulnocarpal ligament connected?

A

Styloid process of ulna to medial side of triquetral bone (dorsal) and the pisiform and flexor retinaculum (palmar)

46
Q

The articular disc of the ulnar-carpal joint covers the ___ end of ulna.

A

Distal

47
Q

Where is the ulnar collateral ligament connected?

A

Ulna to triquetral and pisiform bones

48
Q

What does the ulnar collateral ligament?

A

Helps stabilize proximal row of carpals

49
Q

What type(s) of joint is the intercarpal joint?

A

Synovial plane

50
Q

What type of movement(s) is permitted by the intercarpal joints?

A

Gliding and sliding

51
Q

The bones of the intercarpal joints are joined by what three ligaments?

A

Anterior, posterior, and interosseous ligaments

52
Q

What type of movement(s) is permitted by the carpometacarpal joints?

A

Gliding

53
Q

What type(s) of joint is the carpometacarpal joint?

A

Plane, synovial

54
Q

What type(s) of joint is the trapeziometacarpal (thumb) joint?

A

Biaxial, saddle

55
Q

What type(s) of movement is permitted by the trapeziometacarpal joint?

A

Flexion, extension, abduction, adduction, and opposition of thumb

56
Q

What type(s) of joints are the metacarpophalangeal joints?

A

Biaxial, condyloid synovial

57
Q

What type(s) of movement is permitted by the metacarpophalangeal joints?

A

Flexion, extension, abduction, adduction, and circumduction of individual fingers

58
Q

What type(s) of joints are the interphalangeal joints?

A

Uniaxial, synovial

59
Q

What type(s) of movement is permitted by the interphalangeal joints?

A

Flexion and extension ONLY

SHB (36 decks)

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