Jiu jitsu is a rewarding martial art grounded in practical use, and it is among the top most physically demanding sports. You might be surprised how many muscles you use in jiu jitsu training. To perform well in this martial art, taking functional fitness training courses to strengthen your legs, back, and arms will be crucial to your success. Today’s discussion will focus on what functional training is and why it is important for anyone learning jiu jitsu.