We're sorry, but online registration is not allowed for this activity. Group Exercise classes, Yoga & Pilates and personal training are available for full members of the facility. Please contact us during regular business hours for registration information. This deep water class is designed to tighten & tone the core muscles. This 30 minute workout focuses on the abs & lower back. This is a great way to do abdominal exercises without extra stress on your body & joints. Category Exercise, Health and Wellness Location Indoor Pool - Main Pool at Kennett Branch Instructor Robin M.