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Anatomy 2 > Ligaments and joints > Flashcards

Ligaments and joints Flashcards

1
Q

Glenohumeral joint classification

A

Synovial, multiaxial, ball and socket

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2
Q

Synovial membrane of glenohumeral joint lines

A

Joint capsule
Booney grooves of joint capsule

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2
Q

Glenohumeral joint articular capsule attatchments

A

Medial to margin of glenoid fossa + labrum

Lateral to margin of shaft of humerus

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2
Q

Glenohumeral joint movements

A

Flexion and extension
Abduction and adduction
Internal and external rotation

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3
Q

Glenoid labrum explain

A

Fibrocartilaginous structure around glenoid fossa

Function: mobility, increased glenoid convexity

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3
Q

Glenohumeral joint articular capsule reinforcement

A

Rotator cuff muscle tendons
Long tricep tendon
Glenohumeral and coracohumeral ligaments

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4
Q

Coracohumeral ligament attatchments

A

Coracoid -> greater tubercle of humerus

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5
Q

Coracohumeral ligament prevents what

A

Prevents inferior and lateral dislocation of humerus

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6
Q

Coracoacromial ligament attatchments

A

Coracoid -> acromion

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7
Q

Coracoacromial ligament prevents

A

Superior dislocation of humerus

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8
Q

Glenohumeral ligament attatchments

A

Rim of anterior glenoid -> humerus

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9
Q

Glenohumeral ligament inferior role

A

Prevents anterior dislocation of humerus when fully flexed/abducted

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10
Q

Glenohumeral ligament superior role

A

Prevents inferior and lateral dislocation
Limits external rotation

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11
Q

Glenohumeral ligament middle role

A

Limits external rotation

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12
Q

Transverse humeral passes

A

Humeral tubercle

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13
Q

Transverse humeral role

A

Holds heads of biceps brachii in bicipital grooves

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14
Q

Acromioclavicular joint classification

A

Synovial, multiaxial, plane

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15
Q

Acromioclavicular joint articular surfaces

A

Acromial end of clavicle

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16
Q

Acromioclavicular joint articular capsule

A

Loose and reinforced by capsular ligaments

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17
Q

Coracoclavicular ligament attatchment

A

Coracoid -> clavicle

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18
Q

Coracoclavicular ligament concoid part attatchment

A

Concoid tubercle

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19
Q

Coracoclavicular ligament trazpeoid part attatchment

A

Trapezoid line

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20
Q

Coracoclavicular ligament concoid part limits what

A

Limits protraction

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21
Q

Sternoclavicular joint classification

A

Synovial, multiaxial, modified ball and socket

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22
Q

Coracoclavicular ligament trapezoid part limits what

A

Limits retraction

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23
Q

Sternoclavicular joint articular surfaces

A

Sternal end of clavicle (male)
Clavicular notch of sternum (female)

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24
Q

Sternoclavicular joint capsule

A

Strong and reinforced by capsular ligaments

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25
Q

Costoclavicular ligament attatchment

A

Rib 1 -> clavicle

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26
Q

Costoclavicular ligament limits

A

Limits elevation, protraction, retraction

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27
Q

Anterior sternoclavicular limits

A

Limits retraction

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28
Q

Posterior sternoclavicular limits

A

Limits protraction

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28
Q

Anterior sternoclavicular attatchment

A

Sternum -> clavicle

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28
Q

Scapulothoracic joint function

A

Allows scapula motion against the rib cage

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29
Q

Elbow joint clasification

A

Synovial, uniaxial, hinge

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29
Q

Posterior sternoclavicular attatchment

A

Sternum -> clavicle

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30
Q

Elbow joint articulations

A

Humeroulnar
Humeroradial

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31
Q

Elbow joint ulnar (medial) collateral ligament attatchment

A

Medial epicondyle of humerus -> coronoid process of ulna

32
Q

Elbow joint ulnar (medial) collateral ligament function

A

Prevents abduction of the forearm

33
Q

Elbow joint radial collateral ligament attatchment

A

Lateral epicondyle of humerus -> annular ligament

34
Q

Elbow joint radial collateral ligament function

A

Prevents adduction of the forearm

35
Q

Proximal radioulnar joint classification

A

Synovial, uniaxial, pivot

35
Q

Proximal radioulnar joint annular ligament attatchment

A

Anterior and posterior margin of radial notch of ulna

36
Q

Proximal radioulnar joint articular surfaces

A

Head of radius
Radial notch of ulna

37
Q

Proximal radioulnar joint annular ligament shape and purpose

A

Funnel shaped: helps prevent inferior dislocation of radial head

37
Q

Proximal radioulnar joint annular ligament function

A

Allows pronation and supination of the forearm

38
Q

Middle radioulnar joint classification

A

Fibrous, syndesmosis

39
Q

Middle radioulnar joint function

A

Site of muscle attachment

Fulcrum for pronation and supination of forearm

40
Q

Distal radioulnar joint classification

A

Synovial, uniaxial, pivot

41
Q

Radiocarpal joint classification

A

Synovial, biaxial, ellipsoid

42
Q

Radiocarpal joint articular surface

A

Distal end of radius
Proximal row of carpals

43
Q

Radiocarpal joint articular capsule

A
  • Attaches to articular margins of bones
  • Reinforced by capsular ligaments
44
Q

Radiocarpal joint joint cavity

A

Occasionally communicates with distal radioulnar joint cavity

45
Q

Triangular fibrocartilage complex is what

A

Complex of ligaments and cartilage

46
Q

Triangular fibrocartilage complex function

A
  • Transmits and distributes load from carpals to ulna
  • Helps facilitate complex wrist movements
47
Q

Palmar radiocarpal ligament attatchment

A

Radius -> carpal bones on anterior (palmar) side of hand

48
Q

Dorsal radiocarpal ligament function

A
  • Limits flexion of the hand
  • Ensures that the hand moves with the forearm during pronation and supination
48
Q

Palmar radiocarpal ligament function

A
  • Limits extension of the hand
  • Ensures that the hand moves with the forearm during pronation and supination
49
Q

Radioulnar joint ulnar (medial) collateral ligament attatchment

A

Styloid process of ulna -> triquetrum and pisiform

49
Q

Radioulnar joint ulnar (medial) collateral ligament function

A

limits abduction of the hand

50
Q

Midcarpal joint joint cavity

A
  • Extensive and irregular
  • Extends proximally and distally between carpal bones in both rows
50
Q

Intercarpal joint function

A

Prevents lunate dislocating from scaphoid

51
Q

Dorsal radiocarpal ligament attatchment

A

Radius -> carpal bones on posterior (dorsal) side of hand

52
Q

Midcarpal joint articular surfaces

A
  • Proximal row of carpals
  • Distal row of carpals
52
Q

Midcarpal joint classification

A

Synovial, compound joint

53
Q

Midcarpal joint articular capsule

A
  • Attaches to articular margins of bones
  • Reinforced by capsular ligaments
54
Q

Intercarpal joint classification

A

Synovial, multiaxial, plane

55
Q

Midcarpal joint radial and ulnar collateral ligaments explain

A

Continuations of collateral ligaments of radiocarpal joint (same function)

56
Q

Palmar intercarpal ligament function

A

Limits extension of the hand

56
Q

Dorsal intercarpal ligament function

A

Limits flexion of the hand

57
Q

Carpometacarpal joint of the thumb classification

A

Synovial, biaxial, saddle

58
Q

Carpometacarpal joint of the thumb articular surface

A
  • Trapezium
  • Base of 1st metacarpal
59
Q

Anterior and posterior oblique ligaments function

A

Limit flexion (posterior) and extension (anterior) of the thumb

59
Q

Carpometacarpal joint of the thumb articular capsule

A
  • Attaches to articular margins of bones
  • Relatively loose, but strong
60
Q

Carpometacarpal joints of digits 2-5 articular surfaces

A
  • 2nd: trapezoid and base of 2nd metacarpal
  • 3rd: capitate and base of 3rd metacarpal
  • 4th: hamate and base of 4th metacarpal
  • 5th: hamate and base of 5th metacarpal
61
Q

Carpometacarpal joints of digits 2-5 classification

A

Synovial, multiaxial, plane

62
Q

Carpometacarpal joints of digits 2-5 articular capsule

A
  • Attaches to articular margins of bones
  • Reinforced by capsular ligaments
63
Q

Carpometacarpal joints of digits 2-5 movements

A

Small gliding movements

64
Q

Carpometacarpal joints of digits 2-5 joint cavity

A
  • Extends proximally between carpal bones + communicates with the midcarpal joint cavity
  • Extends distally between bases of metacarpals 2-5
65
Q

Palmar carpometacarpal ligaments attatchments

A

Distal row of carpal bones -> bases of metacarpals 2-5 on anterior (palmar) side of hand

66
Q

Palmar carpometacarpal ligaments number of bands

A

Two bands to each metacarpal

66
Q

Dorsal carpometacarpal ligaments attatchments

A

Distal row of carpal bones -> bases of metacarpals 2-5 on posterior (dorsal) side of hand

67
Q

Dorsal carpometacarpal ligaments number of bands

A

Two bands to each metacarpal

68
Q

Metacarpophalangeal joints classification

A

Synovial, biaxial, condyloid

68
Q

Metacarpophalangeal joints articular surfaces

A
  • Heads of metacarpals
  • Bases of proximal phalanges
68
Q

Metacarpophalangeal joints movement movements

A
  • Flexion and extension
  • Abduction and adduction
  • Circumduction
68
Q

Metacarpophalangeal joints collateral ligaments function

A

Limit flexion of digits + prevent abduction and adduction of digits in flexion

69
Q

Palmar ligaments (plates) is what

A
  • Fibrocartilaginous plates
  • Form part of the articular surfaces
  • Grooved for long flexor tendon
70
Q

Palmar ligaments (plates) function

A

limit extension of digits

71
Q

Interphalangeal joints function

A

synovial, uniaxial, hinge

71
Q

Interphalangeal joints articular surfaces

A
  • Head of phalanx
  • Base of adjacent phalanx
72
Q

Interphalangeal joints collateral ligaments function

A

limit flexion of digits

72
Q

Interphalangeal joints movements

A

flexion and extension

Anatomy 2 (5 decks)

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