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National Institute on Aging: "Exercise and Physical Activity."
Family Doctor.org: "Exercise and Seniors."
American Family Physician: "Physical Activity Guidelines for Older Adults."
World Health Organization: "Physical Activity and Older Adults."
NHS Choices: "Physical activity guidelines for older adults," "'Want to live longer? Try racquet sports', recommends study."
MedlinePlus: "Exercise for Seniors."
CDC: "Five Minutes or Less for Health Weekly Tip: Be Active," "Health Benefits of Water-based Exercise."
AARP: "Running After 50: You CAN Do It!"
Runner's World: "Mastering Running as You Age."
Journal of Aging Research: "Use of Physical and Intellectual Activities and Socialization in the Management of Cognitive Decline of Aging and in Dementia: A Review."
Age and Ageing: "Dance-based aerobic exercise may improve indices of falling risk in older women."
Time: "Why Dancing Is the Best Thing You Can Do For Your Body."
Harvard Medical School, Department of Neurobiology, On the Brain: "Dancing and the Brain."
Harvard Health Publications: "Golfing can be good for you if done correctly," "The top 5 benefits of cycling."
We Are Golf: "Fitness Benefits."
NPR: Shots: "Take A Swing At This: Golf Is Exercise, Cart Or No Cart."
British Journal of Sports Medicine: "Associations of specific types of sports and exercise with all-cause and cardiovascular-disease mortality: a cohort study of 80306 British adults," "Health benefits of tennis."
Victoria State Government, BetterHealth Channel: "Tennis – health benefits."
Growing Stronger: Strength Training for Older Adults, CDC, 2002.
University of Texas at Austin, College of Education, .edu: "Making Waves: The benefits of swimming on aging populations."
Journal of Sports Medicine and Physical Fitness: "The effect of a water exercise program on bone density of postmenopausal women."
Swimming World: "10 Hidden Benefits of Swimming."
National Center for Complementary and Integrative Health: "Yoga: In Depth."
Go4Life: "Tai Chi," "Improve Your Endurance."
Quality of Life Research: "The water exercise improves health-related quality of life of frail elderly people at day service facility."