Explosive plyometric jumps and lifting earsplitting racks of weight may be impressive, but those exercises arent for everyone. Lack of strength and flexibility or straightforward inexperience can speedily slant gymnastic bravado into a visit to the emergency room. In fact, there are a number of moves that the best trainers generally refuse to realize themselves. Heres a rundown of the exercises youd never catch top trainers and fitness pros tune
