~ exerciser Xertube Baseball Throwing Muscle Exerciser ~
muscle. ~ Increase the strength and stamina of the muscles involved in throwing Continued use will help prevent shoulder injuires Regulation size baseball is attached to high-quality rubber latex tubing Door strap and illustrated instructions with a variety of exericises are included Select tubing based on your fitness level Please specify Light, Medium or Heavy when ordering exerciser; muscle; throwing; baseball; xertube;