Groundbreaking research proves that effort, not the size of the dumbbell, is the primary driver of muscle growth and strength ...

If you want more strength, defined muscles, and all the incredible health benefits that come from strength training, you’ll get better results if you lift heavy weights. Read on to find out why. First ...

If you’ve gotten a little too comfortable with the same five- and 10-pound dumbbells, you’ve come to the right place. To convince you it’s time to lift heavy weights, we spoke with strength experts ...