What Are Modalities?

What Are Modalities? Dictionary.com defines a modality as: “Medicine/Medical- the application of a therapeutic agent, usually a physical therapeutic agent”. It is also expected that the use of a modality will produce some sort of physiologic response or change. Which are the types of modalities? 1 Introduction. 2 Electrical Stimulation. 3 Thermal Energy. 3.1 Thermotherapy.