🧑 Human 🎲 Randomized trial 👥 80 participants ⌛ 4-week PBM treatment / 12-week study · 2016 · New Zealand
Photobiomodulation and eccentric exercise for Achilles tendinopathy: a randomized controlled trial.
Tumilty · Lasers Med Sci · 2016
The protocol this study used
What the authors concluded
LLLT seemed to improve the benefits of exercise, but only in the group which had exercise sessions only twice a week.
Devices that emit this wavelength
Matched on wavelength within 15nm, since LED bins vary by roughly that much and a tighter match would be false precision. Where we have an irradiance figure, the session length is the time needed to reach this study's dose of 6.66 J/cm² at that intensity.
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Matching a wavelength is not the same as reproducing a trial. Session times assume the device's published irradiance is accurate at the distance it was measured, which on brand-claim figures is often optimistic. Where a device publishes both a peak and an average we use the average, and where it publishes a falloff curve we use the lowest figure, so these times run long rather than short. Clinical protocols also control for spot size, contact and skin type in ways a home device cannot.
Source
Dosimetry extracted by Vladimir Heiskanen in Photobiomodulation (PBM) research - a comprehensive database. Citation resolved against PubMed.