Grab a towel! You will need it for this high intensity workout. Using jabs and crosses, kicks and jumps, this total body training routine with Jennifer Cassetta, will make it clear why her workout series is called Fight for Fitness. Your abs will feel it as you train UFC style from the core to the outer limbs in this Grokker Premium video. Don't give up because this Hapkido (3rd Degree Black Belter) wants you to fight!