A Randomized Trial of Therapeutic Ultrasound on Pain, Tenderness, and Muscle Stiffness Using a High and Low Intensity Model of Delayed Onset Muscle Soreness
Sharon Gabison,
Ethne L. Nussbaum
Abstract:Purpose: This study evaluated ultrasound (US) effectiveness in an experimental model of soft tissue injury, and examined the model, delayed onset muscle soreness (DOMS), as a variable in the outcome. Methods: One hundred and twenty females completed 30 repetitions (low-DOMS) or 70 repetitions (high-DOMS) of eccentric contractions of biceps brachii muscles and received one of four protocols: no US (control), placebo US, or 3 MHz US, pulsed 20% duty cycle, at either 0.6 W/cm2, spatial-average temporal-peak inten… Show more
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