I gave my best friend $1,000 and 30 days to completely transform his body - and the results were way crazier than expected.

Regardless of whether you’re staying in a hotel or a friend’s house, ... Best app for audio workouts Aaptiv. Hayley Saltzman/CNN Underscored. The best workout headphones in 2023, ...

A HIIT workout is one of the best ways to get fitter in a short amount of time. While a jump rope or simple weights can help, many exercises require nothing but your own body weight. Credit ...