Getting older
I'm 77 and I've always been very active. Yard work, aerobics, bike, walking. Lately my lower back (piriformis muscle) is giving me a hard time. I can't do yard work like I used to. So I'm starting this program again. I do water aerobics 3 times a week, walk the pool 3 times after class and then sit in the hot tub for 15…