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Video of weirdly rippling muscle 

 •  • by Paul Ingraham
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Weekly nuggets of pain science news and insight, usually 100-300 words, with the occasional longer post. The blog is the “director’s commentary” on the core content of a library of major articles and books about common painful problems and popular treatments. See the blog archives or updates for the whole site.

This is a video of a nifty muscle rippling phenomenon. I’ve waited for an opportunity to film it in my own quadriceps, where I have seen it a few times, but it’s hard enough to induce that I haven’t had a chance yet. Hat tip to reader Chris for finding this video of it:

That’s very similar to what I’ve seen in my own muscles, but much more languid. It’s always been at least triple that speed in my flesh! Could just be natural variation in the phenomenon, or something else altogether, but this definitely looks more like it than anything else I’ve seen.