Personal trainers and exercise class instructors seem to have an acronym for everything, and it can be hard to keep up. Between gym slang like PR (personal record), HIIT (high intensity interval ...

In what might be some of the most exciting news this year, Sweat (a.k.a. the app co-founded by Aussie fitness star Kayla Itsines, and home to workouts from trainers Kelsey Wells and Cass Olholm) has ...

Intensity is not a feeling or an emotion. Intensity is effort level. Use the fitness principles FITT (Frequency, Intensity, Time and Type) to create changes to your usual workout by simply changing ...

Personal trainers and exercise class instructors seem to have an acronym for everything, and it can be hard to keep up. Between gym slang like PR (personal record), HIIT (high intensity interval ...