Most adults can safely consume up to 400 milligrams (mg) of caffeine per day. Many pre-workout supplements contain 250–400 mg ...

Functional training, the subject of many popular fitness videos on TikTok and Instagram, is a buzzy term for a simple concept ...

In TODAY.com's Expert Tip of the Day, a trainer reveals the only body part you should consider working out even on rest days.

I’ve always been pretty skeptical of viral TikTok workouts like the 12-3-30 workout.They can be created by anyone with an account, after all, so their merits aren’t usually backed by science.

I recently discovered a three-move core-building workout from one of my favorite online fitness trainers and decided I'd use the routine every single day for the week. My goal? To build a better habit ...

So, I decided to see if I could turn this demanding everyday task into something more and set a goal to spend 15 minutes every day on the stair climber for two weeks.

Meanwhile, a workout regimen that involves everyday activities rather than formal exercise is also called NEAT exercise, or non-exercise activity thermogenesis. So, in short, ...

The Daisy Keech ab workout has had over 23 million views on YouTube since it went live last year. Keech claims that by doing the ab workout every day, you could carve yourself the perfect ...

Even if you haven’t established a regular workout schedule, you should be aiming to get some movement and steps in throughout each day.The American Heart Association recommends reaching at least ...

When you do the same workout every day, you're working the same muscle groups. While you may not run into any trouble with that in the short term, over time you could develop muscle imbalances.

But when my editor suggested that I try this abs workout every day for a month, it seemed like a good opportunity to change my ways. And I have zero regrets.