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SHB > Joints of Upper Extremity > Flashcards

Joints of Upper Extremity Flashcards

1
Q

What is the glenohumeral joint?

A

It is the shoulder joint. It is multiaxial, synovial, and a ball and socket joint.

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2
Q

What is the most easily dislocated joint?

A

The shoulder joint (glenohumeral joint)

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3
Q

What is the joint capsule of the glenohumeral joint?

A

It surrounds the joint and allows for flexion, extension, abduction, adduction, protraction, retraction, and circumduction

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4
Q

What is the coracohumeral ligament?

A

It is the coronois process to the greater tubercle of the humerus

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5
Q

What is the transverse humeral ligament?

A

It spans the greater and lesser tubercle of the humerus and holds the tendon of the long head of the biceps in place

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6
Q

What is the glenohumeral ligament?

A

It is the supraglenoid tubercle to the lesser tubercle of the humerus

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7
Q

What is the glenoid labrum?

A

It is the fibrocartilaginous ligament surrounding the margin of the glenoid cavity

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8
Q

What is the bursae found in the glenohumeral joint?

A

It allows for the greater ease of movements

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9
Q

What is the acromioclavicular (AC) joint?

A

It is a synovial planar joint and it helps holds things together around the top of the glenohumeral joint.

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10
Q

What is the joint capsule of the AC joint?

A

It surrounds the joint and allows for gliding movements as the arm is raised and the scapula is rotated.

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11
Q

What is the acromioclavicular ligament?

A

It is the acromion process to the clavicle

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12
Q

What is the caracoclavicular ligament?

A

It reinforces the joint and stabilizes the clavicle

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13
Q

What is the sternoclavicular joint?

A

It is the saddle type synovial joint with a disc; it anchors the upper extremity to the axial to the skeleton

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14
Q

What is the capsule of the sternoclavicular joint?

A

It is the clavicle and manucrium; it allows for elevation, depression, protraction, retraction, and circumduction

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15
Q

What is the sternoclavicular ligament?

A

It is the ligament that connects the clavicle from each side - clavicle and manubrium

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16
Q

What is the interclavicular ligament?

A

It is the ligament between clavicles

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17
Q

What is the costoclavicular ligament?

A

It is the ligament that achors the clavicle to the first rib

18
Q

What stabilizes the shoulder joint?

A

The tendons of the rotator cuff muscles help stabilize the shallow articualtion without inhibiting the range of motion at the shoulder

19
Q

What is the humero-ulnar joint?

A

It is one of two joints at the elbow; it is a uniaxial, synovial, and hinge joint (ginglymnus)

20
Q

What is the joint capsule of the humero-ulnar joint?

A

It surrounds the joint and permits flexion and extension.

21
Q

What is the ulnar collateral ligament?

A

It is the ligament that connects the medial epicondyle to the coronoid process and olecranon of the elbow. It is a triangular ligament with distinct bands

22
Q

What is the radial collateral ligament?

A

It is a ligament that attaches the lateral epicondyle to the padial notch of the ulna and annular ligament; it is relatively weak

23
Q

What is the proximal radio-ulnar joint?

A

It is one of two elbow joints

24
Q

What is the annular ligament?

A

It is a ligament that surrounds the radial head and the radial notch of the ulna; it keep the head of the radius in notch and permits protonation and supination

25
Q

What is the interosseous membrane?

A

It is a fibrous joint that unites the radius and the ulna; it also divides the forearm into anterior and posterior compartments and serves as a site of muscle attachment for the FDP, FPL, EPL, EI, EPB, and AbPL

26
Q

What is the distal radio-ulnar joint?

A

It is one of three wrist jonts. It is a uniaxial and synovial joint

27
Q

What is the joint capsule of the distal radio-ulnar joint?

A

It extends from the ulnar head around the ulnar notch of the radius; it allows pronation and supination

28
Q

What are the palmar and dorsal radioulnar ligaments?

A

It is a ligament that extends transcersely between the radius and the ulna; the articular disc binds bones together

29
Q

What is the radiocarpal joint?

A

It is one of three wrist joints. It is a biaxial, synovial, ellipsoid joint.

30
Q

What is the joint capsule of the radiocarpal joint?

A

It extends from the radius to the scaphoid, lunate, and triquetrum. It provides minimal support but allows for flexion, extension, abduction, adduction, and circumduction of the wrist,

31
Q

What is the palmar radiocarpal ligament (volar)?

A

It is a ligament that attaches the radius to the scaphoid and the lunate to the triquetrum. It is a strong and stabilizing ligament.

32
Q

What is the dorsal radiocarpal ligament?

A

It is a ligament that attaches the radius to the scaphoid ad the lunate to the triquetrum. It is a weak ligament

33
Q

What is the radial collateral ligament?

A

It is a ligament that attaches the radius to the scaphoid and the triquetrum and it helps stabilize the proximal row of the carpals

34
Q

What is the ulnar-carpal joint?

A

It is one of three wrist joints

35
Q

What is the ulnocarpal ligament?

A

It is a ligament from the styloid process of the ulna to the medial side of the triquetral bone and the pisiform and flexor retinaculum

36
Q

What is the articular disc?

A

It covers the distal end of the ulna

37
Q

What is the ulnar collateral ligament?

A

It is a ligament that attaches the ulna to the triquetral and pisiform bones, and it helps stabilize the proximal row of carpals

38
Q

What are intercarpal joints?

A

These are synovial plane joints that permit gliding and sliding movements. These bones are helpd in place by anterior, posterior, and interosseous ligaments

39
Q

What is the carpometacarpal joint?

A

It is one of four finger joints; it is plane, synovial joint (except the thumb); it allows for gliding movements. M2:Trapezoid, M3:Capitate, M4 and M5:Hamate

40
Q

What is the thumb (trapeziometacarpal - TMC) joint?

A

It is one of four finger joints; it is a biaxial saddle joint that allows for flexion, extension, abduction, adduction, and opposition of the thumb

41
Q

What is the metacarpophalangeal joint?

A

It is one of four finger joints; it is biaxial, condyloid synovial joint that allows for flexion, extension, abduction, adduction, and circumduction of individual fingers

42
Q

What is the interphalangeal joint?

A

It is one of four finger joints; it is a uniaxial synovial joint that allows flexion and extension only.

SHB (11 decks)

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