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Joint Mobs > Specific Joint Info > Flashcards

Specific Joint Info Flashcards

1
Q

Approximately how much flexion and abduction must occur at the shoulder complex for most function activities to occur?

A

120 degrees of motion

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2
Q

What is the classification of the GH joint?

A

Structure - synovial
function - diarthrotic
subtype - ball and socket
axis - multiaxial

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3
Q

What are the osteokinematic motions that occur at the GH joint?

A

flexion, extension, abduction, adduction, medial rotation, lateral rotation, horizontal adduction and horizontal abduction

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4
Q

How much flexion should occur at the GH joint?

A

180 degrees

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5
Q

How much extension should occur at the GH jt?

A

45 degrees

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6
Q

How much abduction should occur at the GH jt?

A

180 degrees

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7
Q

How much adduction should occur at the GH jt?

A

45 degrees

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8
Q

How much medial rotation should happen at the GH jt?

A

70 degrees

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9
Q

How much lateral rotation should occur at the GH jt?

A

90 degrees

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10
Q

How much horizontal adduction should occur at the GH jt?

A

45 degrees

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11
Q

How much horizontal abduction should occur at the GH jt?

A

100 degrees

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12
Q

Which surface is concave and which is convex with the GH jt?

A

glenoid fossa = concave

humeral head = convex

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13
Q

What ligaments are around the GH jt and what do they do?

A
  1. glenohumeral ligament - superior, middle and inferior; three weak bands of fibrous tissue that strengthen the front of the capsule
  2. coracohumeral ligament - strengthens the capsule above and stretches from the root of the coracoid process to the greater tuberosity of the humerus
  3. transverse humeral ligament - strengthens the capsule and bridges the gap between the two tuberosities.
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14
Q

Name the GH bursae.

A
  1. subscapular
  2. subdeltoid
  3. subacromial
  4. subcoracoid
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15
Q

What innervates the GH jt?

A
  • suprascapular n.
  • axillary n.
  • lateral pectoral n.
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16
Q

List the blood supply for the GH jt.

A

branches of axillary and subclavian artery. (anterior and posterior circumflex and suprascapular)

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17
Q

Which the most common direction for dislocations at the GH jt?

A

anterior

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18
Q

What is adhesive capsulitis?

A

a type of frozen shoulder. occurs in females more than men

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19
Q

What is the resting position of the GH jt?

A

55-70 ABD, 30 Horizontal ADD, neutral rotation

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20
Q

What is the closed pack position of the GH jt?

A

full elevation - max combined ABD and ext. rotation

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21
Q

What is the capsular pattern for the GH jt?

A

ext. rot > ABD > int. rot (lateral rotation more limited than abduction, which is more limited than medial rotation)

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22
Q

Inferior glide of the GH increases what?

A

ABD

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23
Q

posterior glide of the GH increases what?

A

flexion

24
Q

anterior glide of the GH increases what?

A

ext. rotation

25
Q

What is the classification of the humeroulnar/humeroradial joints?

A 
structure - synovial
function - diarthrotic
subtype - hinge
axis - uniaxial
26
Q

What is the ROM for the humeroulnar/humeroradial joints?

A

flexion: 135 degrees
extension: up to 5 degrees

27
Q

What is the resting position for the humeroulnar jt?

A

70 flexion and 10 supination

28
Q

What is the closed pack for the humeroulnar jt?

A

full extension and supination

29
Q

what is the capsular pattern for the humeroulnar jt?

A

flex > extension (flexion is more limited than extension)

30
Q

What is the resting position for the humeroradial jt?

A

full extension and supination

31
Q

what is the closed pack position for the humeroradial jt?

A

90 flexion, 5 supination

32
Q

what is the capsular pattern for the humeroradial jt?

A

flex > extension (flexion is more limited than extension)

33
Q

What is the carrying angle in men? in women?

A

5 degrees in men. 10-15 degrees in women

34
Q

Which are convex and concave in the humeroulnar/humeroradial joints?

A

capitulum and trochlea = convex
articular surface of radial head = concave
trochlear notch = concave

35
Q

Name the ligaments around the humeroulnar/humeroradial joints and where they are located.

A
  1. radial collateral ligament - lateral epicondyle to annular ligament and margins of the radial notch
  2. ulnar collateral ligament - meidal epicondyle of humerus to the coronoid process and olecranon of the ulna
36
Q

What innervates the humeroulnar/humeroradial joints?

A
  • musculocutaneous n.
  • radial n.
  • median n.
37
Q

What is the angiology of the humeroulnar/humeroradial joints?

A

brachial, ulnar and radial arteries

38
Q

what does traction/distraction of the humeroulnar jt improve?

A

flex/ext.

39
Q

Why is the hip JT much more stable than the GH it?

A

The acetabularfemoral JT is much more stable due to: - a negative intra-capsular atmospheric pressure(suction), a stronger JT capsule, a more specific femoral head and a deeper socket- made even deeper by the labrum(=a better fit)

40
Q

Where do most functional activities of the hip occur in ( in terms of degrees)?

A

Most functional activities occur between 0-120 degrees of hip flexion and between 0-20 degrees of lateral rotation and abduction.

41
Q

What is the structural classification of the hip?

A

The acetabularfemoral ( aka the hip) is structurally classified as a synovial joint. It’s sub-type is a ball and socket. It is multiaxial.

42
Q

What is the functional classification of the hip?

A

The functional classification of the hip is diarthrotic.

43
Q

How much ROM does the hip have in flexion, extension, abduction, adduction, medial rotation and lateral rotation?

A 
Hip JT ROM:
Flexion=120*
Extension=30*
Abduction=45*
adduction=30*
Medial rotation=35* (limited by ischiofemoral lig.) Lateral rotation=45* (limited by pubofemoral and iliofemoral ligaments)
44
Q

What is the resting position of the hip JT?

A

30* flexion, 30* abduction, and lateral rotation

45
Q

What is closed pack position for the hip?

A

Full extension, abduction, and medial rotation

46
Q

What is the capsular pattern of for the hip joint?

A

Internal rotation and abduction> flexion and extension> external rotation (which is relatively free.) (internal rotation/abduction are more limited than flexion/extension which is more limited than ext rotation.)

47
Q

What are the articular surfaces of the hip JT?

A 
Femoral head (convex)
And acetAbulum (concave)
48
Q

What is the capsular strength of the acetabular femoral joint?

A

It is STRONG due to zona orbicularis (which are the circular fivers of the articular capsule)

49
Q

What ligaments are associated with the hip JT?

A
  1. ) ligament Capitis femoris
  2. ) iliofemoral ligament
  3. ) pubofemoral ligament
  4. ) ischiofemoral ligament
  5. ) transverse acetabular ligament
  6. ) zona orbicularis
50
Q

What blood vessels and nerves are associated with the hip JT?

A

Femoral, obturator and gluteal nerves and arteries are associated with the hip JT.

51
Q

What joint mobs can be done on the hip JT?

A
  1. ) distraction
  2. ) long-axis traction/inferior glide
  3. ) posterior glide
  4. ) anterior glide
  5. ) postero-lateral glide of femur in pelvis
  6. ) lateral glide
52
Q

What movement does long-axis traction/inferior glide aid the hip JT with?

A

Abduction

53
Q

What movement does posterior glide aid the hip JT with?

A

Flexion and medial rotation

54
Q

What movement does an anterior glide help with the hip JT?

A

Extension, and lateral rotation

55
Q

What movement does postero-lateral glide of the femur on the pelvis have on the hip JT?

A

Medial rotation

56
Q

What movement does lateral glide have on the hip JT?

A

Adduction and medial rotation

Joint Mobs (2 decks)

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