A "crunchless ab class" CoreRxN™ is one of the most fundamentally important classes that we offer. With the use your body weight and a dynamic mix of traditional exercises, your Core will have a burn and sweat like never before. According to Mr. Ray, having a strong core implies that a trainee has an optimal balance of abdominal and back muscular strength. Today, typical abdominal workouts tend to promote abdominal strength while neglecting the back muscles. This imbalance leads to the lack of posture we often see as people age. Do you have low back pain? Are your shoulders often hunched? That is reason enough for you to consider postural training as of this minute and incorporate CoreRxN™ into your fitness routine!