Assignment Instructions - Access and read the following sources:

Janet M. Warren, Ulf Ekelund, Herve Besson, Alessandro Mezzani, Nickos Geladas and Luc Vanhees, Assessment of physical activity - a review of methodologies with reference to epidemiological research: a report of the exercise physiology section of the European Association of Cardiovascular Prevention and Rehabilitation, European Journal of Cardiovascular Prevention & Rehabilitation 2010 17: 127

http://www.who.int/topics/epidemiology/en/

Define the term epidemiology using the WHO website.

Use the article to define the following critical concepts. You may list them and then state the definitions. You do NOT need to cite each definition, but make sure that it is in your words.

Define physical activity

Define physical fitness

Define exercise

Define reliability

Define validity

Define responsiveness

Answer the following questions in essay format once you have analyzed the data. Answer each question in approximately one to one and half double-spaced pages:

Why are self-reports and questionnaires problematic?  Make sure to read the entire article before you answer this question as it is covered throughout.

Provide an example of your own of how self-report can be a poor measurement. For example, we all tend to over-estimate our own level of activity and fitness if asked.

Why is it critical to define clearly how we measure physical activity?

If you were to design a study which method of measurement would you use? Why? Relate you your answer to the methods covered in the article.