Each month Charles Dao, of Evolution Fitness in Murietta, CA will be featuring a new exercise that he has specifically chosen for the MX athlete. The first three exercises were the Jab-and-Pull, the Walking Lunge with Rotation, and the Single Leg Cross-Over. This month he details another great exercise for developing core strength, eye hand coordination and cardio conditioning:  The Medicine Ball Hip Toss on Stationary Bike. To see all the details of the exercise, go to www.racerxvt.com!