Why do your thighs expand so much when sitting down?
In: Other
No doctor here, but I’ll take a stab at this until someone with more knowledge can jump in, but if I were to assume it would be that you have a lot of muscles down there and they aren’t taut all the time.
As we’re bipedal animals all of our weight has to be supported by our 2 legs. This means that our thighs are some of the bigger muscles in our bodies (our thigh bones are also very big/strong for this reason). When a muscle isn’t tightened in use it feels much more flaccid. So when you’re sitting on this big bundle of muscle fiber, not using it, it spreads out under out weight.
To be fair, some people also gain fat deposits there, so that could be another aspect of it.
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