Hydro training is the best training medium for muscle confusion. Some folks believe changing an exercise a little bit is enough to break through the training plateau.
To prevent a training plateau, one must confuse the body. More muscle confusion, for a week, is going to stimulate the body to adapt to the new environment.
When one moves through the water, the body—the entire body—is meeting resistance plus trying to balance. This is true and effective muscle confusion. When you return to the weight room after a week of training in water, your body will have to adapt yet again (on a smaller scale, but adapt it must). Once back in the weight room after a week of hydro, your body will start developing fresh.
Many teams train during their season, as well as in the off-season. If they are not doing hydro training during the season, then their weight room training results will hit a plateau. As a coach or an athlete, do you want to keep developing and impro