Roy Jones Jr gonna need to be capable to preserve your hands up in punching role for an amazing length of time of your MMA fight, so for this part of your MMA exercising, you're going to want to select a region on the wall and shadowbox it for 5-10 minutes. If you have got a heavy bag or some form of system in your own home to apply, this is ok, however for people who are operating with out a gadget.