If you’re a fan of Sabrina Carpenter, but didn’t manage to get tickets to her Short n’ Sweet tour, this is a workout worth bookmarking. The 15-minute, low-impact workout is designed by ...

Do 10 to 15 repetitions. (Note that you may use substantially less weight for this than for curls or chest press.) Advanced: Eventually try building up to this 3-minute routine. Pull-ups.

The stair climber challenges your cardiovascular [system] in a different way than the treadmill ... I also noticed that the workout was becoming more enjoyable, and 15 minutes began to feel ...

This workout is designed by Lilly Sabri, Lean app founder and Pilates instructor. It's just 15 minutes long but works ... There’s also a 5-minute ab series, which really works all of the muscles ...