Association of Women's Fitness Resource site on women's fitness and health, with a special focus on preventing home gym training injuries. http://www.association-of-womens-fitness.org/

IDEA Supports the world's leading health and fitness professionals with credible information, education, career development and leadership. http://www.ideafit.com/

Moms In Motion Programs provide fitness training for women and raise money for local charities. http://www.momsinmotion.com/

National Association for Health and Fitness A not-for-profit organization that exists to improve the quality of life of every individual in the United States through the promotion of physical fitness. http://www.physicalfitness.org/

National Center on Physical Activity and Disability NCPAD encourages persons with disabilities to participate in regular physical activity to promote healthy lifestyles and prevent secondary conditions. http://www.ncpad.org/

National Institute for Fitness and Sport Non-profit organization committed to enhancing human health, physical fitness and athletic performance through research, education and service. http://www.nifs.org/

National Strength and Conditioning Association Non-profit association dedicated to facilitating the exchange of ideas in strength development as it relates to the improvement of athletic performance and fitness. http://www.nsca-lift.org/

The Fitness League National network of locally based exercise classes, suitable for all ages and abilities, available in over 300 venues across the UK. http://www.thefitnessleague.com/