The Borat star relies on short, high-intensity workouts and simple nutrition habits to stay lean and strong in his 50s.

A research team led by Daniel Bok of the University of Zagreb, in Croatia, recruited 17 runners to do a series of three ...

For many people aiming to burn a lot of calories, high-intensity interval training is the way to go. Also known as HIIT, these popular workouts feature bursts of intense activity, such as squats or ...

Add Yahoo as a preferred source to see more of our stories on Google. The American Heart Association recommends that adults get "at least 150 minutes per week of moderate-intensity aerobic activity or ...

Eight weeks of HIIT increases both the number and efficiency of muscle mitochondria by expanding their energy-producing inner membranes.

There comes a time in every runner’s life when it’s time to kick things up a notch. That means one thing and one thing only: interval training. There’s a reason loads of runners don’t like intervals.

A tool that can make run/walking even more effective, especially for athletes ready to get faster? The treadmill. Pairing ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." RUNNERS CAN EASILY fall into a basic routine for their workouts: Lace up, hit the pavement, then cruise ...

Talk about the winter that wasn’t! Our weather was certainly perfect for the golf tournament, but we are 15 to 20 degrees hotter than we should be. I don’t know ...

Interval training is great for boosting cardiovascular endurance and promoting overall fitness. Our fitness expert, Judd NeSmith, NASM-CPT, PES and founder of Serious Fitness, explains interval ...

There’s a lot of talk in the exercise world about high intensity interval training (HIIT) lately, which is exactly what it sounds like — alternating episodes of exercise with periods of less intensive ...