The Resist-A-Ball program was developed by Mike and Stephanie Morris in 1993 and in 2008, the brand partnered with Mad Dogg Athletics. Resist-A-Ball is more than a ball—it's a systematic fitness program that is unmatched in the category. In addition to the leading brand in stability balls, Resist-A-Ball offers the most comprehensive programs available, complete with instructor education, programming, DVDs and marketing support. With Resist-A-Ball, you'll gain access to exercise programs and sequences that create a playful yet challenging environment for fitness enthusiasts of all levels.