Nicole Scherzinger gives fans a close-up look at her intense workouts

Nicole Scherzinger shared an intense workout clip on Instagram, admitting she almost quit “halfway through” before pushing to finish strong.
Parade on MSN

Sarah Michelle Gellar Shares Intense Workout and Stunning Looks for 'Star Search' Promotion

The 'Buffy the Vampire Slayer' star brought fans along for a busy day in her life.

10 Minutes of Intense Exercise Flipped Anti-Cancer Switches. What Does That Mean for Your Health?

Experts discuss the small but promising study.

8 Workouts That Will Help You Get More Zone 2 Cardio

Plus, the surprising benefits of turning the intensity down a notch.
Lifehacker

How 'Sprint Interval Training' Compares to HIIT (and How to Do It)

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval training, or SIT, is super trendy right now. It’s a great ...
Verywell Health

We Asked a Doctor Which Exercise Is Most Effective for Strengthening Your Heart

Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with resistance training is the best form of exercise for heart health.

A Veteran Fitness Coach Shares the Military-Style Workout That Builds Muscle and Sheds Fat For Men Over 40

Boost your endurance and strength, all at once.