On Dec. 10, 2003, Janet Korenblat was asked to balance on a BOSU ball while extending her legs. No, back up two steps. First, the personal trainer asked Korenblat to sit exactly on top of the BOSU ...
Core training is an important component of any well-rounded fitness program. Yet, with so many exercises to choose from, you may wonder where to start when it comes to building a strong, developed ...