Hi @patwerthman,
I was using a high intensity vibration plate, but after I read Margaret Martin's comments that it could cause fractures, I gave it away. I didn't purchase a low intensity vibration plate as they are quite expensive and they don't work on carpeting.
I took a break, but resumed Dr. Fishman's Yoga, 12 Poses vs Osteoporosis. He started something new - dividing the 12 poses into two sets of six and doing them six hours apart, for what he thinks will double the gains in bone density. His program is inexpensive, adaptable to different levels of ability, and relatively quick to perform the 12 or six poses.