Having solid, well-built chest muscles is vital if you want to be strong and healthy. You may want to play sports, carry a bunch of groceries, lift your kids in the air, or just look and feel good.

If you want a bigger chest, you’re not a rare breed. Tons of guys dream of a fuller, stronger chest but fail to ever achieve it. In a new video, trainer Bobby Maximus breaks down why most men over 40 ...