[header] How to avoid potentially hazardous exercises [title] Talk to your doctor. [step] Even if you think you're perfectly healthy, talking to your doctor is essential before you start an exercise routine. Make an appointment or talk on the phone to review your exercise plan with your physician. 
[substeps] Getting a medical clearance from your doctor may seem silly or unnecessary. However, your doctor knows you and your health best and will be a great asset when trying to stay active.