-LSB-...] water aerobic class is also a good option and perfect for those looking for cardio to weight loss without affecting their back. (regularityfitness.com)
Walk 30 minutes a day and forget doing hour long aerobic classes — that will leave you more time to focus on quality forms of exercise like strength training. (fitnessandpower.com)
I started with group aerobic classes, like turbo kick and then added running to my fitness regimen. (kimscravings.com)