NUTR 3070 Lecture Notes - Cholesterol, Insulin, Aerobic Exercise
15 Apr 2013
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Physical activity; any bodily movement produced by skeletal muscles that result in expenditure of energy. Leisure-time pa: above and beyond household, occupational, transportation, in your. Exercise: structured, planned, do it for a purpose: enhanced fitness, much more structured, type of leisure-time physical activity. Light: walking around, benefits but not tremendous, stretching. Moderate: walking a little faster; i. e. when in a hurry, dancing, bicycling on moderate terrain, some increase in heart-rate. Vigorous: large increase in heart-rate, race walk, and/or jogging; intensity is increased. Sedentary behaviours: spend a lot of time sitting; watching tv. Look at is as a square, with highs and lows for both: i. e. an active couch potato . Study of 14-17 years olds (n=445) in toronto. Cluster analysis: you look for similar types of individuals (sub-groups with similar health patterns) within large group. Physical activity; decreased risk of cad (coronary artery disease) Atherosclerosis: narrowing of arteries, slows down/alleviates this.
