Group Classes FBO Fit: Without the use of a barbell, these classes offer an alternative to traditional Crossfit . The WODs are a little longer and focus more on body weight movements and gymnastic strength. Adaptive Class: Adaptive classes are designed for athletes with various types of disabilities where we modify Crossfit workouts to each individual athlete’s capability. Competitors Class: Advanced FBO FIt class for the athlete looking to enhance their competitive capacity. This is a NON-SCALEABLE RX class.