Please click here to read how the foot and ankle works and click here to read Achilles pain before reading the following.
Make sure you have your heel pain diagnosed properly by a physio, osteo or sport doctor to ensure that heel drops are appropriate. There are some types of tendon injury that may not respond or even might be aggravated by doing this exercise. If the pain came on suddenly you may have a tear, in which case DO NOT DO THE FOLLOWING EXERCISE because it could make the injury worse.