Move & Heal
Tai Chi for Health Institute
Dr Lam's programs.
National Qigong Association
Qigong standards & teachers.
Harvard Health: Tai Chi
Evidence on tai chi.
Arthritis Foundation
Gentle-movement programs.
Aquatic Exercise Association
Water-fitness standards.
Mayo Clinic
Health reference.
ACE Fitness
Exercise science.
SilverSneakers
Senior fitness.
YMCA
Community classes.
NIH NCCIH
Complementary health research.