Joint Derangements/Dysfunction Flashcards

(68 cards)

1
Q

A loose body is often the result of…

A

OA or chip fracture

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2
Q

Loose body S&S

A

Locking/catching

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3
Q

Loose body Ax

A

ROM end feel as a bony block or may be springy

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4
Q

Hypermobility Rx

A
  • Mobilize stiff or hypomobile tissue/joint/segment
  • Strengthen to stabilize the hypermobile segment/tissue
  • Movement retraining - maintenance
  • Supportive devices (brace/tape)
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5
Q

What is spondylosis

What can it lead to

A

OA of spine -> degeneration of joints

Can lead to disc herniation &/or stenosis

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6
Q

What is spondylolysis

A

Pars interarticularis (fibrous tissue) defect

  • Degeneration of spine joints
  • Seen in younger patients w/ hyper extension & rotation sports
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7
Q

Is spondylolysis mostly symptomatic or asymmptomatic

A

asymmptomatic

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8
Q

What may bilateral spondylolysis lead to

A

spondylolisthesis

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9
Q

What is the most common segment for spondylolisthesis

A

L5/S1

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10
Q

spondylolisthesis MOI

A

Hyper extension

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11
Q

spondylolisthesis types:

A
Spondyloytic spondylolisthesis 
- Progressive period of rapid growth
- Rarely progresses to adult life
- Younger population
Degenerative spondylolisthesis
- 2° to DJD + Z-joint subluxation -> OA of joints in spine, foramina narrowing
- Older population
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12
Q

Grading of spondylolisthesis

A

1-4 25% of each grade of slippage

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13
Q

spondylolisthesis S&S

A
  • Central LBP +/- referred pain, associated with weak abs +/- tight hamstrings
  • Aggravating factor: EXT
  • Easing factor: FLEX
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14
Q

Spondylolisthesis Rx

A

Stability

  • Flexion exercises (open IVF to decrease pressure on nerve roots)
  • Inner unit strengthening: TA/multifidus/PF
  • Brace if needed
  • Work into painful range with proper stability - avoid hyperextension
  • Surgery?
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15
Q

When is surgery needed for spondylolisthesis

A
  • Increased slippage or instability even with brace
  • hard neurological signs
  • evidence of spinal cord involvement
  • intractable pain despite treatment
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16
Q

Hypomobility MOI

A

Adaptive shortening or soft tissue (tightness or contracture) or joint

  • Muscle: atrophy & weakness
  • Tendon: Decreased tensile strength
  • Ligament: Decreased tensile strength, Increased stiffness/adhesions
  • Cartilage: decreased synovial fluid, H2O content
  • Bone: Increased resorption, decreased bone mass/mineral content
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17
Q

Study capsular pattern, resting position, closed packed position table

A

Pg 9

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18
Q

Dislocation S&S

A

Increase ROM
Soft end feel
+/- pain

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19
Q

Complications of GH dislocation

A

Rotator cuff tears

Axillary nerve damage

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20
Q

Dislocation types

A

TUBS: Traumatic onset, unidirectional anterior, bankart lesion, surgery
AMBRI - Atraumatic, multidirectional, bilateral shoulder findings, rehab appropriate, INF capsule shift

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21
Q

TUBS dislocation MOI

A

Abduction + ER

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22
Q

Bankart lesion

Definition + S&S

A
  • Avulsion + of ant/inf capsule & ligaments

S&S: Clicking, apprehension, deep vague pain

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23
Q

Slap Lesion

  • Def
  • MOI
  • Major cause of pain in _)___
A

Superior labrum lesion ant-> post
Elevated position w/ sudden concentric + eccentric biceps contraction
- Major cause of pain in throwers

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24
Q

Hill sachs lesion

A
  • Compression Fracture post/lateral humeral head
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25
Fracture dislocation usually occurs where? | S&S ?
Usually acromion, humeral head | S&S -> deformity, constant pain, systemic signs (nausea)
26
Which ligaments stabilize the AC joint
Trapezoid and conoid ligaments
27
S&S of an AC joint subluxation
- Step deformity | - Osteolysis (bone resorption d/t repetitive microtrauma or post trauma
28
Is an AC joint subluxation surgical
no
29
Growth plate closure - proximal and distal femur
Prox: 18yrs Dist: 20yrs
30
Growth plate closure - proximal and distal tibia
Prox: 16-18yrs Dist: 15-17 yrs
31
Growth plate closure - proximal and distal Humerus
Prox: 20yrs Dist: 16yrs
32
Growth plate closure - proximal and distal radius
Prox: 18yrs Dist: 20 years
33
Fracture types and causes
- Spiral: twisting injury o Transverse/oblique  direct blow - Compression/crush: longitudinal force - Comminuted: fragments of bone - Greenstick: young kids - malleable bones, # on only 1 side - Avulsion: piece of bone pulled off - de-attachment of soft tissue (ligaments) - Impact: compression force (usually more stable)
34
Colles fracture
Distal radius + subluxation of distal ulna
35
Bennetts Fracture
Fractura dislocation of CMC thumb joint
36
Scaphoid fracture MOI
FOOSH
37
Complications of fractures
- Avascular necrosis | - Muscle weakness, contractures, re-#, infection, delayed union, malunion, CRPS
38
Where is there a high rate of avascular necrosis
- proximal femur - 5th MT - Scaphoid - Proximal humerus - talus neck - Navicular
39
Locations of a hip fracture
Femoral neck Intertrochanteric Subtrochanteric
40
Hip fracture conservative vs. surgical management
Conservative: less complications, increased bed rest, decreased healing time, slower rehab Surgical: Decreased length of stay, improved rehab, risks
41
Hemiarthroplasty vs total arthroplasty
Hemi : just femoral head | Total: femoral head + acetabulum
42
Types of hip fracture surgery
- Cemented: Increased stability, better for sedentary elderly w/ poor bone quality - Uncemented: components coated w/ beads - where new bone can grow, better for younger Pts, revision in 10yrs - Hybrid - Femoral component = cemented, acetabular component = uncemented
43
Precautions following total arthroplasty - post-lateral approach
- NO hip flexion past 90 - NO IR - NO ER - NO hip add past midline for 1st 3months
44
Precautions following total arthroplasty - lateral approach
- No hip flex past 90 - NO IR - No hip add past midline for 1st 3 months
45
Precautions following total arthroplasty - Anterior approach
- No hip ext - NO hip ER - NO Hip adduction past midline for 1st 3 months
46
Precautions following hemiarthroplasty -
No restrictions with movement & WBAT | Check MD Orders
47
Indication for hemi, total, and reverse shoulder arthroplasty
Hemi: Arthritic conditions (w/out glenoid involvement, severe fractures of proximal humerus Total: OA, inflammatory arthritis, osteonecrosis involving the glenoid, post-traumatic degenerative joint disease Reverse: OA or compound fractures of the humerus w/ deficiency of the rotator cuff.
48
Patients must have _____ in order to receive a total shoulder arthroplasty
rotator cuff
49
Post op precautions for a total shoulder arthroplasty
Immobilization daily for 1 week nightly for 1 month, sling 4 weeks
50
Post op precautions for a reverse shoulder arthroplasty
flexion/elevation in scapular plane passively up to 0- degrees, pure abduction
51
Post op contraindication for a reverse shoulder arthroplasty
Avoid IR for 6weeks
52
Types of bone
- Cortical - outside long bones | - Cancellous - inside, more affected by OP
53
OP Categories
- Normal: 0-1.0 SD of young adult mean - Low bone mass: 1-2.5 SD below young adult mean (Osteopenia) - Osteoporosis - 2.5+ SD below young adult mean
54
OP Types
Primary type 1 - Post menopausal women Primary type 2 - 70+ years risk women=men Secondary OP - Due to another med condition or treatment, any age
55
OP risk factors
``` Family history, lifestyle Gender Age Lifetime exposure to estrogen, breast cancer Fragility fracture under 40yrs ```
56
OP Dx
Bone scan | Fracture assessment tools - FRAX, CAROC 2010
57
OP Ax
Vertebroplasty -> fusing of 3+ segments- Risk of subsequent fracture
58
OP Rx
- Pharmacological - anti-absorption agents, anabolic bone formation (hormone treatment). Side effects = vertigo, nausea, dizziness, muscle/back/ue/le pain - Nutrition: Ca+, Vit D - PT: posture, aerobic (WB), resistance exercises, core, balance, extension exercises, no spinal flex or flex + rot
59
S&S of tumor fractures
Asymptomatic but can show cancer signs
60
Primary malignant tumors of soft tissues/bone are common or rare? Most likely population?
RARE | May occur in youth
61
Types of soft tissue/bone tumors
Osteosarcoma Synovial sarcoma Malignant tumors Osteoid osteoma
62
Where do Osteosarcomas occur? S&S? Rx?
At ends of long bones Pain - at joint, worse with activity Imaging- xray moth eaten appearance Rx: surgery
63
Where do Synovial sarcomas occur? S&S? Rx?
In larger joints - knee/ankle Pain - at night, w/ activity Swelling/instability Rx: Surgery, chemo/radiation
64
Rx for malignant bone tumors
Metastasize from elsewhere | Rx: Thorough PMx & FHx
65
Are osteoid osteoma malignant or benign? S&S? Key sign? Rx?
``` Benign Pain in bone, At night, w/ exercise Key sign: no pain w/ aspirin Imaging: CT scan shows a central focus point Rx: ablation, ethanol, laser ```
66
Degenerative joint disease: - Cause - Population - Result
Due to mechanical change, joint disease, joint trauma Seen in Pts >40 yrs Result: ++ Loading on surfaces that are weight bearing
67
Types of vertebral degenerative joint disease
- Spinal (lateral) stenosis - Central stenosis (canal) - Spondylosis - spine OA - Spondylolysis - Pars interarticularis defect, may start as stress # - Spondylolisthesis
68
Degenerative joint disease Rx
- Joint protection - Increase joint mechanics - aquatics = Decrease WB