The fastest way to develop a lean, muscular physique is through a method of training known as circuit training. Circuit training combines the best of both worlds: cardio and strength training.

If you want your hips to perform, you need to give them some love with frequent stretching before and after exercise.

While breaking down the body into constituent body parts may not always be the ideal way to exercise, knowing which exercises are more efficient and functional is key when putting together a quality routine. Also, it’s not only which exercise is best, but, more importantly, how that exercise is executed.

This leg workout combines moves for strength and muscular endurance. Perform each move below for 45 seconds and rest 15 seconds in between sets.

This drill opens up your hips, extends your spine, stretches and rotates your shoulders, expands your chest and activates your glutes and core.

When you're cold, your metabolism goes up and your body starts eating into your fat stores as the rate of calories burned increases.

A healthy diet and regular exercise will help you burn calories and total body fat for a flatter lower tummy.

Reebok no longer offers aerobics instructor training. You can obtain certification through several nationally recognized orgnaizations.

You can take fitness training classes and get custom workouts and nutrition plans without leaving home.

A gi earns a reputation for quality if it is durable, crisp but not irritatingly stiff, truly white and not slightly yellow.

Once you reach age 40, you, as a woman, may feel the odds are stacked against you when it comes to weight loss. You can lose weight, but it may take a bit more effort than it did in your 20s.

A v-cut stomach requires two components: A low body-fat and well-developed, muscular abs. Here's how to reveal a v-cut stomach.