The SPRI PRX-V Pumping Rubber with the Xertube Video is designed to maximize the benefits you can get from Xertubes, and includes warm-up activities, Xertube resistance exercises, abdominal exercises, and cool-down stretches. If you don't have the time, budget, or inclination to do resistance training at a club, this is an excellent alternative.
About SPRI SPRI Products, Inc. is the leading manufacturer and distributor of rubberized resistance exercise products for the health and fitness industry. SPRI designs and produces innovative rubber resistance exercise products and has led the way in popularizing rubberized resistance workouts. As the pioneer of this simple, but effective method of strength training, toning and building lean muscle tissue, SPRI has remained on the cutting edge of today's exercise trends. SPRI continues to expand into related markets as new applications are discovered and professional and consumer interest builds. As the fitness industry continues to evolve and move toward convenience and affordability, SPRI’s line of products has grown to include educational materials, instructional manuals and videos, fitness equipment and accessories.
