Tissue Properties Flashcards

1
Q

Acute injury lasts up to _________ days.

A

~5

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2
Q

Subacute injury lasts from ___-___ days.

A

5-10 (up to 21) after acute phase has ended

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3
Q

Chronic injury begins around _____-_____ days after injury and lasts up to _______ or more.

A

26-34 days; 1 year or more.

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4
Q

Sprain is injury to a _______.

A

Ligament

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5
Q

Strain is injury to a ________.

A

Muscle

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6
Q

______ is directly related to the magnitude of force and inversely related to the unit area.

A

Stress

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7
Q

_______ is a change in length of a material due to an imposed load divided by the original length.

A

Strain

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8
Q

Identify the three major phases of injury.

A

Inflammatory
Proliferative
Remodeling

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9
Q

PRICE and MEM are appropriate interventions during which phase of injury?

A

Inflammatory

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10
Q

Active recovery, ROM, and isometrics are appropriate interventions during which phase of recovery?

A

Proliferative

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11
Q

Minimal structure damage is classified as what degree of muscle injury?

A

First degree

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12
Q

Partial tear with a large spectrum of injury is classified as what degree of muscle injury?

A

Second degree

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13
Q

A complete tear is classified as what degree of muscle injury?

A

Third degree

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14
Q

List the modifiable risk factors for muscle strains (4)

A

Muscle weakness/imbalance
Fatigue
Lack of flexibility
Poor coordination

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15
Q

List the non-modifiable risk factors for muscle strains (4):

A

Age
Prior history of injury
Gender
Surface/sport

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16
Q

T/F Weight and BMI do not influence the risk of muscle strain.

A

True

17
Q

PEACE stands for:

A

Protection (first 48-72 hrs)
Elevation (above heart)
Avoid (NSAIDS)
Compression (reduce swelling)
Education

18
Q

LOVE stands for:

A

Load (graded exposure)
Optimism
Vascularization
Exercised

19
Q

Identify three factors affecting the risk of injury for a tendon:

A

Age
Hormone levels
Load (and load/history/absence of load)

20
Q

Tendons heal SLOWER/FASTER than muscle.

A

Slower (7.5x lower O2 consumption)

21
Q

Unique aspect of tendon injury that occurs throughout the day.

A

Warming phase (24 hr pattern -stiffness, pain, improvement)

22
Q

Some stretching or tearing of the ligamentous fibers is classified as what grade of ligament injury?

A

Grade 1 (mild)

23
Q

Some tearing and separation of the ligamentous fibers is classified as what grade of ligament injury?

A

Grade 2 (moderate)

24
Q

Total rupture of the ligament is classified as what grade of ligament injury?

A

Grade 3 (complete)

25
Q

No laxity occurs in what grade of ligament injury?

A

Grade 1

26
Q

Moderate laxity occurs in what classification of ligament injury?

A

Grade 2

27
Q

Cartilage, particularly articular cartilage heals very WELL/POORLY.

A

Poorly

28
Q

Max laxity occurs in what grade of ligament injury?

A

Grade 3

29
Q

_____ heals better than any other tissue in the body.

A

Bone

30
Q

Identify the four stages of bone injury/healing.

A

Inflammation
Granulation tissue/soft callus formation.
Hard callus formation
Bone remodeling and consolidation

31
Q

Grade 1 muscle injury healing timeline.

A

0-4 weeks

32
Q

Grade 2 muscle injury healing timeline.

A

1 week to 3 months

33
Q

Grade 3 muscle injury healing timeline.

A

2-3 months to >1 year

34
Q

Identify the tissue based on the following rehabilitation guidelines: Exposure to load, compressive forces, vibration to increase density and strength.

A

Bone

35
Q

Identify the tissue based on the following rehabilitation guidelines: Progressive load through tensile stress in line with force exposure.

A

Ligament

36
Q

Identify the tissue based on the following rehabilitation guidelines: Progressive load through tensile stress in line with force exposure to improve cross linkage and collagen fiber organization.

A

Tendon

37
Q

Identify the tissue based on the following rehabilitation guidelines: Progressive load exercises to facilitate adaptation, altering speed from slow to faster to improve RFD and motor recruitment.

A

Muscle

38
Q

Identify the tissue based on the following rehabilitation guidelines: Lower to moderate load throughout ROM.

A

Cartilage