50-Plus Fitness Association  
   Devoted to information about, motivation toward, and participation in exercise and fitness while aging.
   http://www.50plus.org/

Senior Health, from About.com  
   Links, articles, and information on senior health and fitness.
   http://seniorhealth.about.com/

SeniorWorld Online  
   Health, fitness, and nutrition articles for seniors.
   http://www.seniorworld.com/

Geri-Fit  
   Vendor of a 45-minute weight training workout for older adults, also providing information on osteoporosis.
   http://www.gerifit.com

Karlsigma's Fitness Philosophy  
   Tips for diet, nutrition, exercise, fitness, mental health, and longevity, from a retired scientist.
   http://members.aol.com/Karlsigma/index.html

Accent on Health  
   Motivation, inspiration and resources with tips on whole body conditioning for people over 50.
   http://www.accentonhealth.com/

Fitness First for Women and Seniors  
   Center designed to accommodate the unique needs of women of all ages and senior citizens. (New Jersey)
   http://www.fit1st.com/

Portraits of Senior Athletes  
   "Growing Old is Not For Sissies" Two black and white photography books about senior athletes doing the sports that they love best.
   http://ettaclarkphotography.com

Walk Tall  
   Exercise program for prevention and treatment of osteoporosis.
   http://www.triadpublishing.com/walktall.htm

AgeFit  
   Senior fitness services for the older adult community.
   http://www.agefit.com/

Encyclopedia of Sports Medicine and Science: Aging and Exercise  
   A comprehensive and somewhat technical article on the physiological changes associated with human aging and the positive role that exercise can play.
   http://www.sportsci.org/encyc/agingex/agingex.html

American Senior Fitness Association  
   Provides senior specific fitness training, certification and resources for exercise professionals who serve older adults as well as fitness information and tips for mature exercisers.
   http://www.seniorfitness.net/

Senior-Fitness.com  
   Offers information on stretching and exercises to maintain balance and prevent falls among seniors.
   http://www.senior-fitness.com/

Coronay Artery Rehabilitation Group  
   A self-help, volunteer, non-profit group dedicated to promoting a healthy life style for persons with cardiac problems, with the help of cardiac specialists.
   http://www.carg.ca

Advice for the Aging Athlete  
   Informative article, authored by William G. Raasch, MD, Director of the Division of Sports Medicine, Medical College of Wisconsin and Froedtert Hospital.
   http://healthlink.mcw.edu/article/953058816.html

Michigan Senior Olympics  
   Information about this program which promotes healthy lifestyles by organizing state games, sports competitions, fitness, and wellness programs for individuals over 50.
   http://michiganseniorolympics.com/

Fit Senior Online Catalog  
   Fitness, sports, gymnastic, aerobic equipment, as well as cycles, treadmills and related products and prices.
   http://www.fit-senior.com

Alexander Technique and Aging Well  
   How this century-old method of stress reduction can help seniors.
   http://www.alexandertechnique.com/articles/aging

Silver Sneakers  
   Fitness programs for seniors working in conjunction with health plans.
   http://www.silversneakers.com

Over 50 Magazine  
   Middle Tennessee Edition of a bi-monthly publication.
   http://www.over-50.org

Activekarma.com  
   Features articles and tools for those over 40.
   http://www.activekarma.com/activekarma/categories/category.asp?catid=110

T'ai Chi - Kung Fu Alliance  
   Providing professional, certified instruction in Yang Style T'ai Chi and Northern Shaolin Kung Fu. Specializing in the Beginner Senior T'ai Chi Student.
   http://taichialliance.byregion.net

Fitness Past Fifty  
   Provides information to help mature adults stay fit and maintain a healthy lifestyle.
   http://www.fitnesspastfifty.com

New Mexico Senior Olympics  
   Information on their annual state games and events held throughout the year. Includes a quarterly newsletter, results, events, records and senior profiles.
   http://www.nmseniorolympics.org/

Older Women And Fitness  
   Brief summary of research conducted by an undisclosed source on the importance of exercise for the older woman.
   http://www.womens-health-fitness.com/older-women.html

National Institute on Aging Page: Don't Take It Easy Exercise  
   An authoritative site from the National Institute on Aging describing the benefits and guidelines for exercise for seniors.
   http://www.nia.nih.gov/health/agepages/exercise.htm