Carol A Macera

Epidemiology of musculoskeletal injuries among sedentary and physically active adults.

Barbara E Ainsworth, Cheryl L Addy, B. Ainsworth, 2002, Medicine and science in sports and exercise.

Predictors of Lower Extremity Injury Among Recreationally Active Adults

Barbara E Ainsworth, Cheryl L Addy, B. Ainsworth, 2002, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine.

Physical activity and public health in older adults: recommendation from the American College of Sports Medicine and the American Heart Association.

Carmen Castaneda-Sceppa, W Jack Rejeski, Abby C King, 2007, Circulation.