- NEW! Shock Wave Therapy chapter covers the principles, evidence base, and practical guidance for using this newly available physical agent. - NEW! Updated Lasers, Light and Photobiomodulation chapter adds over 100 new references and more specific guidance for selecting parameters for clinical application. - NEW! Enhanced eBook version - included with print purchase - allows access to the entire, fully searchable text, along with figures and references from the book, on a variety of devices.