Aileen Schinderle of Norway returns a shot while her husband, Mark, looks on during Thursday’s Yoopers Pickling Alzheimers at Marion Park in Norway. The fundraiser for the Alzheimers Association drew a full field of 16 teams for the mixed doubles pickleball tournament. Pickleball, the fastest-growing sport in the United States according to the Sports and Fitness Industry Association, combines the elements of tennis, ping pong and badminton.