200
The modality that involves transfer of thermal energy between 2 bodies in direct contact.
What is conduction (i.e. Hot water, cold packs, Paraffin baths, Hot packs (hydrocollator packs).
Convection: uses movement of a medium to transport thermal energy between 2 bodies. Examples: Whirlpool, Fluidotherapy, Hydrotherapy, & Contrast baths.
Conversion: transformation of energy into heat. Examples: Microwave, Ultrasound, vapo-coolant spray, Shortwave diathermy, Radiant heat (heat lamps).