The present application relates to a sensing system for an medical device, the sensing system having at least one sensor for measuring movement of the medical device and a recording device for storing movement data from the at least one sensor. The application also relates to a method for evaluating a patient's compliance with a healing regimen, the patient provided with a medical device, the method having the steps of a) collecting movement data relating to movement of a sensing system affixed within, to, or near the medical device; b) retrieving the movement data from the sensing system; and c) analyzing the movement data and comparing the movement data to standard movement data to evaluate the patient's compliance with the healing regimen.