 [ Symptoms ] recovery time for pectus excavatum and pain im 15 and im extremely nervous my pectus excavatum is really minor but still bothers me when i get outran by teamates [ Disease ] deciding to exercise when you are sick is a judgment call that you will have to make i found an article that may give you some good guidance however located here basically it depends on the illness the symptoms and your personal comfort level if you do pursue exercise i would suggest to start by decreasing the intensity duration or frequency until you reach a level that is appropriate given your illness and symptoms also be sure to allow for ample time for rest and recovery