Has your doctor ever said you have heart trouble? Do you often feel faint or have spells of severe dizziness? Has your doctor ever told you that your blood pressure was too high? Are you or have you ever been diabetic? Are you or have you been pregnant in the last 3 months? Have you had any surgery in the last 3 months? Have you been hospitalised in the last 2 years? If so, when and why? Are there any other reasons why you should not follow an activity program?