This paper illustrates a biological application of the concepts of relative change and area under a curve, from mathematics. We study two biological measures "relative change in cardiac output" and "cardiac output", which are predictors of heart blockages and other related ailments. Cardiac output refers to the quantity of…

This report of a personal interview research survey conducted for the President's Council on Physical Fitness and Sports in 1972 presents the following findings: (a) 45 percent of all adult Americans do not engage in any form of exercise; (b) walking is the most popular form of exercise, followed by bicycle riding, swimming, calisthenics, bowling,…

Describes a study investigating the effects of age and sports participation on functional loss. Data on 756 adults who underwent maximal exercise testing during the 1985 World Masters Games indicate even moderate sports participation may enhance functional capacity. Older people may maintain independence in later life by increasing physical…

The differential results obtained when the perceived exertion levels of 19 high-fit and 17 low-fit women were assessed according to Borg's Rating of Perceived Exertion Scale and magnitude estimation suggests that the RPE scaling procedures may be tapping a very select component of the perceptual process. These results do indicate that the scaling…

Virtual Learning Environments provide a means by which students can interact with course material outside of contact time with lecturers; they also provide the potential to stimulate depth of learning by encouraging students to engage more fully with the topics and issues. A range of 'e-tivities' delivered through a Virtual Learning Environment…

Tests are described that were given to 1,000 students randomly selected at grade 7-9 levels with an equal representation from both sexes. Participants were selected from two junior high schools in North York for a study comparing students in a regular physical education program to those in a program to develop cardiovascular endurance. The first…