FREE for J members!  If you are looking for a workout which will maintain or increase your fitness level with less impact on your joints, a "liquid gym" is the place to be! This higher intensity class is designed to improve cardio conditioning, alternating with strength/balance and core training segments.Water exercise is an excellent modality for cross training and gives knees and backs a break from land based cardio workouts.Non-swimmers are welcome. (Intermediate-Advanced)