Unique opportunity to train with Jerzy Gregorek on the science of nutrition, exercise and relaxation. Lean body weight, flexible, strong, fast and good posture.
![The Happy Body Masterclass](https://kravmagainstitutenyc.com/wp-content/uploads/2017/10/Happy-Body-Jerzy.jpg)
Unique opportunity to train with Jerzy Gregorek on the science of nutrition, exercise and relaxation. Lean body weight, flexible, strong, fast and good posture.
![](https://kravmagainstitutenyc.com/wp-content/themes/kmi/assets/img/kmi-side-classes-book-induction.jpg)