Sam McCormick teaches the water aerobics class at the Albany YMCA. (Staff photo:Chaunte’l Powell)Seniors get active during the YMCA’s water aerobics class. (Staff photo:Chaunte’l Powell)Classes such as the water aerobics class at the Albany YMCA have seen a huge increase in enrollment. (Staff photo:Chaunte’l Powell)Sam McCormick has a passion for leading SilverSneakers classes at the Albany YMCA. (Chaunte’l Powell)Classes such as the chair fitness have seen a large jump in numbers. (Staff photo:Chaunte’l Powell)Chair fitness helps with posture as well as cardio. (Staff photo: Chaunte’l Powell)Participants stretch during the chair fitness class at the Albany YMCA. (Staff photo:Chaunte’l Powell)