I read somewhere that muscle fibers stay around when you lose muscle but that they only shrink (hence why people can more quickly re-add muscle after a long break than when they first put it on). Is ...
This might seem like an obvious question, but I'm currently exercising a lot and losing a lot of weight (through diet), and I'm afraid that shedding this much weight that I'm putting myself in a ...
If I build up my muscles and then don't use them for a while, then will the “build-up” regress after a while?
And if so, is regression more powerful if I build up my muscles from, say, the 90th percentile to the 99th percentile as compared to from the 30th percentile to the 50th percentile? As in, is the ...