Interval Workouts That Fire Up Your Metabolism

Enjoy sweet treats and traditional winter foods while still boosting your metabolism. The trick? Interval training.

By Susan Grant Legacki

Pilates for Runners

If you've never tried Pilates, it's time. Find out how this targeted core training can make you stronger and resistant to injuries.

By Caitlin Chock

30-Day Full-Body Fitness Challenge for 2014

Burn winter calories before it's too late. This month-long challenge will test your core, muscle strength and mental toughness while pushing you to...

By Teresa Howes, For Active.com

New Year, New You: 45-Minute Cardio Workout With Music Mix

The cardio workout has been reinvented. This 45-minute workout strengthens your muscles, burns fat, and flattens your stomach on the treadmill. The...

By Fara Rosenzweig

Time-Crunched Holiday Kettlebell Routine

Get the results you want in half the time. Kettlebell training is perfect when you're short on time and need to squeeze in a calorie-blasting worko...

By Kisar S. Dhillon

A SMART Plan to Achieve Your New Year's Fitness Goals

How do you pick New Year's resolutions that are attainable and will keep you motivated well past the first two weeks? Learn how to make smart chang...

By Ashley Stevens

15-Minute Workouts to Boost Your Metabolism and Speed

No time to exercise is a thing of the past. Here are five, 15-minute workouts that will crank up your metabolism and build your speed.

By Doug Balzarini, CSCS, MMA-CC

Weight Machines vs. Free Weights

Which is better—weight machines or dumbbells? This boxing match comparison shows you both sides to determine which method is better.

By Jason R. Karp, Ph.D.