I think for RSD they do bone density scans - as the bones thin over time from it??

I think even walking can build or retain bone density.
It's been awhile since I read up on it.

Ok got some info- long articles so I'll just post the links-

http://www.newstarget.com/010528.html
http://www.cybermacro.com/articles31.html
http://www.connecticutcenterforhealt...treatment.html

Gentle Exercise
Books
Arthritis: What Exercises Really Work – Dava Sobel (Robinson Publishing, 1996)
Exercise for Healthy Ageing (Help the Aged)
Keep Moving, Keep Young: Gentle Yoga Exercises (Headway, London, 1995)
Rosie’s Armchair Exercises – Rosita Evans (Discovery, 2000)
Strength and Balance Exercises for Healthy Ageing (Help the Aged)
Water Exercises – Anthony Harris (1979)

DVDs and Videos
Barbara Currie’s Shape up with Yoga (Our Video Company, 1993)
Be Strong, Be Steady video (Help the Aged)
Chair based Movement 4 Fitness Improvement (DVD), tel. 07747 041 486
Jane Fonda’s Yoga Exercise Workout (Warner, 1993)
Ruth White’s Stress Release: Gentle Exercises to ease the Pressures of Modern
Living (Storm, 1992)
Step to the Future video and DVD (Help the Aged)