what ultrasound frequency is the best for tennis elbow therapy 1mhz or 5 mhz?

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  1. lamilia, 30 January, 2010

    There is varied research and opinions on whether ultrasound is effective for treating soft tissues disorders. There was a study done by A Binder et al. on tennis elbow that used the parameters of 1MHz (pulsed) at an intensity of 1.0 W/cm2 that was increased to 2.0 W/cm2. They did 2 to 3 sessions per week lasting 5 to 10 minutes for about 5 weeks. They also had a control group who was given placebo ultrasound. Turns out in this study the ultrasound was effective at reducing symptoms. Here’s a link to the article: http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=3918652&ordinalpos=117&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum

    The study was done back in 1985, and has limitations. Most of the other studies done haven’t really found much hard evidence that ultrasound works.

    What I do know is that 5 MHz does not penetrate tissues very deeply, and I wouldn’t recommend it. I have never actually seen a soundhead of 5MHz in any clinics I have worked at.

    Pubmed.org is a great free resource to check out the latest scientific journal article. Hope this helps

  2. ♥ JustAChick ♥, 30 January, 2010

    of those two, 5MHZ … but 7 or 8 might be better. It depends on size of person’s arm.

    EDIT :: oh I"m an idiot .. I didn’t read that it was for "therapy" .. I thought you were imaging the elbow.

    1MHZ will penetrate deeper than 5MHZ (both in therapy and in imaging). :o)

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