The treatment of myofascial pain syndrome using therapeutic ultrasound, on upper trapezius trigger points : a double-blinded placebo controlled study comparing the pulsed and continuous waveforms of ultrasound

Abstract

This study was a prospective, randomised, double blinded, placebo controlled, comparative clinical trial to establish the efficacy of therapeutic ultrasound and compare the effectiveness of the two waveforms of ultrasound in the treatment of myofascial pain syndrome.