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🧑 Human 🎲 Randomized trial, sham-controlled 👥 34 participants ⌛ 2 sessions (1 treatment session) · 2019 · USA (San Marcos, TX)

A Novel Blue-Red Photobiomodulation Therapy Patch Effects on a Repetitive Elbow Flexion Fatigue Task.

Rigby & Hagan · J Sport Rehabil · 2019

The protocol this study used

Wavelength
450, 645 nm
Dose
5.4 J/cm²
Sessions
—
Per session
—

What the authors concluded

Overall, fatigue occurred between the two exercise bouts (pre-treatment= 44.1 ± 12.3 and post-treatment= 37.4 ± 9.6 repetitions, P= 0.015). However, less fatigue was noted in the number of participants of the active treatment group over the sham treatment group. 29.4% of participants in the active treatment group improved during the post-treatment fatigue task compared to 0% in the sham treatment

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 5.4 J/cm² at that intensity.

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MitoPRO 1500+
630 · 660 · 830 · 850 nm
Measured
$1,169
≈ 71 sec / session
at 76.5 mW/cm²
MitoPRO 1500X
590 · 630 · 660 · 810 · 830 · 850 nm
Measured
$1,299
≈ 1 min 41 sec / session
at 53.5 mW/cm²
PlatinumLED BIOMAX 900
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$1,299
≈ 60 sec / session
at 90.3 mW/cm²
HoogaHealth PRO1500
660 · 850 nm
Measured
$1,199
≈ 63 sec / session
at 86 mW/cm²
Joovv Solo 3.0
660 · 850 nm
Measured
$1,499
≈ 1 min 31 sec / session
at 59.2 mW/cm²
LUMEBOX 2.0
660 · 850 nm
Measured
$629
≈ 43 sec / session
at 125 mW/cm²

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

PubMed 30676234 →

Dosimetry extracted by Vladimir Heiskanen in Photobiomodulation (PBM) research - a comprehensive database. Citation resolved against PubMed.