A smarter, safer way to trim your waistline--without pain, injury, and all those crunches As a chiropractic physician, Adam Weiss understands that traditional ab exercises can cause back pain, strain muscles, and can even cause misalignment. That's why he created a truly safe, and amazingly effective, routine for slimming your waist--without the risk of pain or injury. His revolutionary approach targets and strengthens your core muscles using a unique...