Hey Gabbai, "in addition to manual therapy"? What do you think is causing these "clinically significant results"? Its like asking my six year old to help shovel the driveway, sure she is out there with a shovel, but who is doing all the work?

Ultrasound Therapy of Subacromial Bursitis: A Double Blind Trial "no significant difference was found between the sham or true US groups." (Swan, Downing, and Weinstein, 1986)

An ultrasound machines works better as a paperweight than a therapeutic physical agent.