From what I learned, building muscle is essentially working them until there’s microtears, and said microtears repair themselves and become bigger/stronger than before. Since this is the case, why can’t we give ourselves microtears using some tiny sharp object and build our muscle that way?
In: Biology
Muscle hypertrophy is a complicated subject in which we do not have clear answers. There are many different theories, of which muscle damage is only one.
There is no proof that artificially microtearing muscles would grow them. Also it would be unpractical and possibly dangerous. If it had to be done in a clinical setting, it would also be costly.
Weight training is the safest, cheapest and most fool-proof method we currently have.
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