PS285 Lecture Notes - Rock Climbing, Extreme Sport, Adolf Anderssen
Document Summary
Physical activity is used to describe a wide range of activities that involve energy expenditure by the human body includes walking, dancing, diy, gardening, etc. Hunter-gathers needed to expend substantial energy on a regular basis to ensure access to food and shelter. The rapid increase in technology in industrialized societies over the past generation has led to a much more sedentary lifestyle. This is a consequence of reduced need for energy expenditure in all spheres of human life work, transportation, home maintenance. A recent uk survey indicated that 60% of men and 72% of women do not exercise to recommended levels. Among those who are the most active the common activities are walking, gardening, diy and ball games . Evidence is now suggesting even walking is becoming less common. Fortunately, there is some lesser evidence that people are taking up more leisure-time physical activity such as walks over two miles, swimming, keep fit and yoga.
