Amazon Basics 12lb weighted medicine ball: $38.69, now $27.39 at Amazon This basic medicine ball is very similar to the one I use and it's currently discounted thanks to Amazon's latest sales event.

So grab your medicine ball, and let's get going ... You always want the weight to be on your heels, not on your toes. When you feel like you've got the form down, you can speed up a little ...

Medicine ball slams may seem daunting ... And as an important reminder, be mindful of the weight used. You might be tempted ...