A randomized study of the effects of t’ai chi on muscle strength, bone mineral density, and fear of falling in women with osteoarthritis.
http://www.ncbi.nlm.nih.gov/pubmed/20192907
A randomized study of the effects of t’ai chi on muscle strength, bone mineral density, and fear of falling in women with osteoarthritis.
http://www.ncbi.nlm.nih.gov/pubmed/20192907