You can also treat yourself with acupressure. Here is what to do:
2. Lift your arm. Grab the muscle behind the armpit with your thumb and forefinger and press the fingers together. Hold the pressure for a minute. The acupressure point is located on the backside of the muscle.
A complete acupressure routine for the inflammation of the rotator cup, the frozen shoulder, contains a lot of more acupressure points. If you want to learn more, order my book Treat Yourself with Acupressure at Amazon.com