LARGO - Instructor Kathi Walker, at right, is pictured with participants in her Aqua Fit & Trim class on a recent Thursday morning. The water exercise classes offered by the City of Largo Recreation, Parks and Arts Department are scheduled twice a week at the Imperial Palms Apartments West Clubhouse Pool. Walker conducts a half hour of cardio work and a half hour of working large muscle groups with special equipment. No swimming is required. Persons with arthritis may be interested in the Arthritis Aqua classes taught by Arthritis Foundation certified instructors on Mondays and Wednesdays. For further information on either program, call 518-3016.