The message for runners? Two HIIT sessions a week appears to be the ‘Goldilocks’ zone when it comes to improving VO2 max and ...

High-Intensity Interval Training (HIIT) alternates short bursts of near-maximal effort with periods of rest or low-intensity recovery. Because it pushes both the cardiovascular and muscular systems, ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...

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 ...

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 ...

It's well established that women entering (peri)menopause can gain real health benefits from lifting weights. However, while this messaging is incredibly important, it can sometimes mean that cardio, ...

Picture this: a dimly lit workout studio, the pounding of sneakers as people furiously push through burpees, all while a coach yells, “Ten more seconds!” as you yearn for that rest period on the other ...

The festive season can throw our exercise routines out the window. You might be staying somewhere different, with no access ...

Q: I just turned 58, and it's becoming harder to concentrate on one thing -- a book, a project around the house, or a work assignment. What could be the cause and how can I regain focus? -- Harold F., ...