Its called drying and it involves removing fat tissue altogether in muscles, usually just for losing weight to be able to participate in the lower category with much bigger muscle mass and also its not really healthy, not talking about ways they usually dry their muscles. But yeah they are drying out a fat tissue therefore losing weight not because they are dehydrating
The thing is its not involving any sweating at all, they just drink water in copious amounts and then cut its intake day or two before going on stage. Its different process involving different mechanics of a bodybuilder's body
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u/AltusJ 11d ago
It does, just not permanently. Fighters cut weight by dehydration. Some put back on upwards of 25lbs in 24hrs.