Modalities Lab 104 Flashcards
1
Q
Why use heat
A
Increase tissue extensibility
Increase nerve conduction
relieve pain
blood flow
2
Q
Heat Contraindications
A
Cancer Clot Sensation impairment bleeding edema (age, mentation)
3
Q
Hydroculator Temp
A
158 - 167 F
4
Q
Paraffin Contraindications
A
Cancer Clot Sensation Impairment bleeding jewelry (age, mentation)
5
Q
Paraffin Temp
A
126 - 134 F
6
Q
Why use cold
A
Reduce inflammation
pain
make exercise bearable
decrease nerve conduction
7
Q
Cold contraindications
A
Cold hypersensitivity Blood disorder Raynauds Regenerating nerves / PVD wound (age, mentation)
8
Q
Cold temp
A
32 - 41 F
9
Q
Indications
A
accelerate healing before and after exercise before other physical agents before soft tissue/joint mobilization increase ROM pain
10
Q
Hertz
A
one cycle
11
Q
Reverse Piezoelectric effect
A
how an ultrasound works with crystals
12
Q
Frequency
A
Depth of US penetration 1.0 - 3.0 mHz
13
Q
Duty Cycle
A
Rapidly and dynamically turns on and off
acute injuries = 10 - 50%
chronic injuries = 100%
14
Q
Non-thermal effects
A
Cavitation
Micro / Acoustic stream
Increase macrophage
Intracellular calcium
15
Q
Intensity
A
.1 - 2.5 watts/cm2
