Body Blast T,TH 10 a.m. Lorraine Beaver. Work all muscle groups using high-volume reps and low resistance with dumbbell weights—a great workout geared to improving muscle tone and definition and cardiovascular fitness. Class limit 24. Classic Fitness T,TH 11 a.m. Lois Bossert. This workout consists of a warm-up, 20 minutes of low-impact aerobics set to…