Budgeting time to exercise in a schedule already packed with work, family and social commitments isn’t easy. And those who do ...

Fitness decline starts at 35, not old age, according to a groundbreaking 47-year study. Swedish researchers tracked people ...

For a long time, physical performance was judged by power or speed. Yet another type of strength, more subtle but just as ...

The bottom line? Building strong, sculpted arms is all about choosing the right strength tools—and training regularly.

Most people train their core with good intentions but poor results. Endless crunches, rushed planks, and random workouts ...

The winner might surprise you.

Some medications can cause imbalances, as can health conditions such as diabetes and kidney disease. You may have used an ...

The key to breaking 90 minutes? Targeted lactate threshold work ...

Plus, exactly how to train to sculpt your muscles.

People who regularly engage in significant amounts of exercise, as endurance athletes do, may develop enlarged hearts. While ...

Both have pros and cons ...

Think you're fit? See how you stack up against these strength, endurance, and power-focused challenges.