Not sure whether to lift weights or do cardio for a longer life? A sports medicine doctor explains how to pick the right ...

Whether it's a bigger bicep, broader back, or stronger thighs, many fitness enthusiasts aim for muscle growth without fully understanding the different types of hypertrophy training. Fitness professor ...

Short bursts of purposeful activity — such as walking around the block or lifting small weights — may be the best way to get in the habit of exercising. Bite-sized bits of exercise also improve heart ...