Perceived Differences in the Sensation of Pulsed and Sham Ultrasound

This study will have an within-subject design and will propose the question: "Is there a perceived difference between pulsed ultrasound, 1 MHz, 1.0W/cm2, pulsed mode 1:4, fifteen minutes per session and sham ultrasound at the carpal tunnel in healthy adults?" The answer to this question has implications for both the clinical reasoning of therapist in selecting ultrasound as the treatment and in analyzing the evidence regarding the treatment effectiveness of ultrasound in various studies.