Therapeutic Modalities

Question 1

Conduction

Answer 1

• require direct contact

Ex/ Hot packs, cold packs, ice massage, Cryogenic Cuff

Question 2

Convection

Answer 2

• gain or loss of heat resulting from air or water moving in a constant motion across the body
  Ex/ fluidotherapy, hot whirlpool, cool whirlpool

Question 3

Conversion

Answer 3

Heating occurs when nonthermal energy (chemical or mechanical) is absorbed into tissue & transformed (converted) into heat

• rate of heat transfer is determined by power of energy source
• ex/ power of US is determined by intensity
• ex/ diathermy or ultrasound (US)

Question 4

Evaporation

Answer 4

Ex/ vapocoolant spray

Question 5

Radiation

Answer 5

Ex/ infrared light, laser, ultraviolet light