PMID: 18708676Aug 19, 2008Paper

Effectiveness of clinical ultrasound parameters on changing intramuscular temperature

Journal of Sport Rehabilitation
Timothy J Demchak, Marcus B Stone

Abstract

Researchers have recommended certain ultrasound treatment parameters for deep heating; however, we observed different parameters in the clinical setting. To compare the treatment effect of using observed clinical parameters (OCP) from 8 clinicians to the treatment effect of using the recommended parameters (RP) sited in research. 2 x 2 repeated measures design. Sports injury research laboratory. Ten healthy volunteers. Two 1 MHz treatment, 1 RP treatment (1.5 W/cm2, 10-min, area-2 to 3 x ERA), and 1 OCP treatment (1.3 W/cm2, 8-min, area 3.9 X ERA). Tricep surae temperature 3 cm below superficial tissue. The RP treatment increase temperature from 36.4 +/- 1.0 to 40.3+/- 2.0 degrees C, which was a greater change than the OCP (36.5 +/- 1.2 to 38.2 +/- 1.6 degrees C). The OCP treatment resulted in a lower heating affect than the RP. Small change in treatment area, intensity, and duration can have a large effect on temperature change.

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