Diet and Fitness

HowStuffWorks offers guidance for developing an exercise routine that will help you get in shape and stay healthy. Learn about diet and fitness and get tips from professional trainers.

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Chest exercises like the press and fly build and tone your chest muscles. Learn how to do several chest exercises with these illustrated directions.

By Lottie Olson

Triceps exercises strengthen and tone the muscles in the back of the upper arms. Get step-by-step directions and photos for several triceps exercises.

By Lottie Olson

Strengthen your core with these abdominal and lower back exercises. Our illustrated instructions guide you through each exercise, step by step.

By Lottie Olson

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Glutes exercises strengthen and tone your glutes, or butt. These illustrated instructions show you how to do several glutes exercises.

By Lottie Olson

Try these shoulder exercises to tone and strengthen your shoulders. This article has step-by-step directions and helpful photos for each exercise.

By Lottie Olson

From hamstrings to quadriceps, well-developed leg muscles are important for total body fitness. Learn how to do 22 different leg exercises safely with these instructions.

By Lottie Olson

Losing weight is easy. Keeping weight off is difficult. And while it's discouraging to lose weight quickly and put it back on, it can also be unhealthy. Find out how to lose weight over the long run.

By Adrienne Forman

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Regular physical activity can improve heart health, strength, and endurance. Explore the many other mental and physical benefits of exercise.

By Adrienne Forman

A sensible diet and regular exercise are essential components of any successful weight loss plan. Learn helpful tips for cutting calories, making smarter food choices, and increasing your physical activity to help you lose weight.

By Gayle A. Alleman