by Mark Hatmaker Martial artists often train so they can strike a grappler and grapple with a striker, but the author says this might not be the best strategy. If you’ve been in the training game for any length of time, you likely have experienced the following or something similar: You trained hard for the past 90 days, putting in sprint work and producing your fastest 5K ever. Your handy-dandy smartphone app says your VO2 max (maximum oxygen uptake) is shipshape. You go to