• 50-Plus Fitness Association Devoted to information about, motivation toward, and participation in exercise and fitness while aging.

• AgeFit Senior fitness services for the older adult community.

• 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.

• 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.

• Fit Senior Online Catalog Fitness, sports, gymnastic, aerobic equipment, as well as cycles, treadmills and related products and prices.

• 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.

• 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.

• Over 50 Magazine Middle Tennessee Edition of a bi-monthly publication.

• 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.

• Senior-Fitness.com Offers information on stretching and exercises to maintain balance and prevent falls among seniors.

• SeniorWorld Online Health, fitness, and nutrition articles for seniors.

• Silver Sneakers Fitness programs for seniors working in conjunction with health plans.