Recovery
Massage guns don't break up knots or scar tissue
A massage gun cannot mechanically smash muscle knots, break down scar tissue, or rearrange fascia in a few minutes. Human connective tissue is far too strong for handheld percussion to remodel that way, and the sensation of a “release” is not evidence that tissue has physically changed.
The effects are mostly neurological and circulatory. Percussion stimulates sensory receptors, temporarily changes pain perception, and may increase local blood flow. Research suggests it can produce small short-term improvements in range of motion and perceived soreness, but there is little evidence that it accelerates muscle repair or restores strength faster after hard training.
Use a massage gun if it helps you feel looser, but treat it as a comfort tool rather than a repair device. Apply it lightly for a few minutes around sore muscles, avoid injured or bony areas, and prioritize sleep, nutrition, sensible loading, and time for actual recovery.
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