The patented Speedflex™ Training System revolves around the science of isokinetics, the system maximizes power gains and muscular endurance by combining proven research and periodized programs into a hybrid model of free weights and high-velocity equipment.
The patented Speedflex™ Training System revolves around the science of isokinetics, the system maximizes power gains and muscular endurance by combining proven research and periodized programs into a hybrid model of free weights and high-velocity ...