Imagine driving a car and constantly switching between the gas pedal and brake. You waste a lot of fuel, which is a great way to slim down. And unlike steady exercise, which mostly builds endurance, ...

If cardio seems more like a chore and less like a fun sweat session, this 10-minute HIIT workout can help you switch it up. Presented by Allegra, this high-energy routine is a quick way to get your ...

Get ready to up the ante with a fun-filled outdoor HIIT session, presented by Allegra. Hosted by Class Fitsugar trainer Jenna Willis, and assisted by Nikki Keeshin and Paris Nicole, this HIIT workout ...

You've likely heard all about the benefits of exercise for your heart, lungs and blood sugar. Basically, it does the whole body—and mind (thanks, endorphins!) good. However, you may have stopped using ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

You’re not a bear, so don’t hibernate this winter and let your fitness fall off. Use these exercises to stay fit.

Those mid-class sprint intervals are tough. But experts break down whether they really get you ready for race day.