Everything you need to know about high-intensity interval training to help you hit the ground running in 2026—including a low ...

You know that girl on the elliptical who sticks it out for an entire episode of The Bachelor, slogging away at the same pace for the whole thing? (Maybe you even are that girl...?) Welp, sorry to ...

High intensity interval training could be the secret to staying young. — -- Exercising by doing interval training, not weight lifting, could be the secret to staying young, according to a new ...

The idea that you can spend less time working out yet see benefits equal to those from conventional exercise routines sounds too good to be true. Yet as devotees of high-intensity interval training ...

New research reveals that high-intensity interval training (HIIT) increases glucose metabolism in muscles as well as insulin sensitivity in type 2 diabetes. Already after a two-week training period, ...

How training affects cells is determined not only by whether we move at all, but also by how intensely and for how long we do ...

Interval training is a popular method for coaches, athletes and fitness enthusiasts all around the world. There are many positive benefits to this type of training, as well as incorrect methods, that ...

Let’s be real: No matter how badly you want to hit your fitness goals or see results from your workouts, spending the entire day sweating isn't feasible for most folks—pro athletes, aside. That's ...

Researchers have studied how high-intensity interval training (HIIT) alters the brain's glucose metabolism in physically inactive insulin resistant people. Only two weeks of HIIT training reduced ...

Many inactive adults who tried a sampling of exercises preferred intense efforts to gentler workouts. By Gretchen Reynolds People who have never tried intense interval training might be surprised to ...

Personal trainer Ashley Borden has worked with a range of celebrities, including Ryan Gosling, Reese Witherspoon, and Christina Aguilera. She clearly knows her stuff, and she's sharing her tips in a ...