KIN 275 Lecture Notes - Lecture 8: Genetic Variability, Overtraining, Bradycardia
Document Summary
Physical activity and exercise for health and fitness. Should involve all of the components of fitness. Healthy people 2010: more than 55% of u. s. adults do not engage in recommended amounts of pa, 25% are not active at all. Establishing a dose response is one of the criteria for establishing causation. Evidence for dose response relationship: relationship exists between physical activity and rates of mortality and morbidity attributable to. Region: most active = rocky mountain and northwest, least = southeast obesity belt . States: washington - 49% active, washington d. c. 19 % active. Population subgroups: white males most active, girls tend to become less active during adolescence. Physical activity (tends to) decrease with age. Physical activity (tends to) increase with education level. Pa & health: reduction in risk from sedentary or low active to moderate and high active, appears may be some threshold. Fitness & health: clear reduction in risk from low fit to high fit, mostly!
