No one enjoys a period, and certainly not exercising on one, either. It’s a multiple day event in the calendar (if we’re ...

For many who menstruate, the arrival of their period often brings an unwelcome pause to fitness routines. The familiar symptoms—cramps, fatigue, bloating—can make even getting out of bed feel like a ...

Think about how you feel doing your 12-3-30 routine on the treadmill versus during a high-intensity interval (HIIT) class. You probably feel like you could maintain that first one for a pretty solid ...

In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's metabolism and help with weight loss.

A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles. That ...

For people who don’t already exercise, short bursts of deliberate activity significantly improved cardiorespiratory fitness.