Difference in Tissue Temperature After Therapeutic Ultrasound Using Biofreeze Mixture and Ultrasound Gel as Coupling Media

Abstract

Biofreeze, a topical analgesic, is commonly used as a coupling medium during therapeutic ultrasound to add greater relief of pain, although it may block transmission of ultrasound energy. Our objective was to compare a mixture of 1-part Biofreeze and 3-parts ultrasound gel to 100% ultrasound gel to assess intramuscular heating and perceived sensation of… (More)

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