If you want to build strength, athleticism, and muscle, you need to include power training into your program. For most people, that’s going to be done by throwing medicine balls and jumping. The first place to start with jumping is the box jump.

I love the TRX. Kettlebells are great, too. I use barbells and dumbbells all the time. The fact is, they’re all awesome tools, and tools are meant to be used to complete specific jobs. That’s why you have a toolbox-to carry all of the different tools you need to do different jobs. After all, …

Heat is given off in every chemical reaction. Your metabolism is the sum total of all of the chemical reactions in your body. Take your temperature regularly, and if it varies very far from the normal 98.6 degrees, you’re running less than optimally. In the long term, grip strength is directly correlated to all …