RT Book, Section A1 Eggers, Jason A1 Onks, Cayce A2 Mitra, Raj SR Print(0) ID 1159835072 T1 Modalities T2 Principles of Rehabilitation Medicine YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9780071793339 LK neurology.mhmedical.com/content.aspx?aid=1159835072 RD 2024/10/11 AB Modalities are physical agents used to produce a therapeutic change in tissue.1 These agents are typically used in conjunction with a comprehensive treatment plan. Their use starts with a modality prescription (Table 76–1). The prescription is then utilized to follow through with the application of the specific modalities. This chapter will discuss those modalities, physiology, applications, and evidence for their use.