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Cold and Superficial Heat
Terms in this set (100)
The absence of heat is
What are the most common therapeutic modalities used and why?
-cold and heat
-easily available and cost effective
What do cold and heat use?
conduction of heat to or away from the body
What does an application of cold do?
decreases temp of the skin and deeper tissue
What does an application of heat do?
increases temp superficially; mainly with the skin
What are modalities for deeper heating? Why are they used?
-ultrasound and diathermy
-help with recovery (injury response cycle)
-can cause injury (pain response)
Where does energy go?
HIGH TO LOW concentration
What is the four ways energy is transferred?
3. Radiant Energy
What is conduction?
transfer of heat through direct contact between a hotter and cooler area
In conduction the amount of temp change depends on?
the temp difference between the two surfaces and the length of time they are in contact
What happens faster surface temp cooling or deep temp cooling?
surface temp cooling
What happens when a larger area is heated or cooled?
temp at the center of the area changes more rapidly
What are examples of conduction?
ice bags, ice massage, moist heat packs
What is convection?
transfer of heat by the movement of air or liquid between regions of unequal temp
In convection, how is the rate and extent of the temp change determined?
difference in temp between the medium and tissue, length of exposure and size of the area being treated
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