Consult a doctor prior to any personal training, including the free service from this site, if you have any of the following: You have been advised to limit your physical activity, you are or maybe pregnant, you have heart problems, high blood pressure, respiratory conditions or poor circulation, you have spine, back or other conditions. Stop exercise if you experience pain, dizziness, or discomfort. Consult a doctor if the condition persists. Keep your activity within reasonable limits to avoid injury and avoid excessive exercise. Dismiss