But there's no evidence that the pain experienced through these efforts are causing any permanent damage to the muscles. All we know at this point is that micro tears may be induced within the muscle mass and the resulting inflammatory repair process actually promotes hypertrophy, micro-vascularization and positive adaptation of the involved tissue, muscle in this case (just think of all those growth promoting factors being released). So in the end, it's actually leading to an improvement.doctorSpoc said:yes, but the ratcheting up of pain is very effective at limiting how much you can go beyond and for how long from the onset of pain... you are still limited, you can still only go so far beyond when the pain starts.. and what if nature factors in a bit of a buffer incase the organism is hard headed? so you are safe... so nature brings the real pain at 200 but damage doesn't really start 'til 225... but take the drug and you start feeling pain at 220 and can dig deep and get to 240.. denaturing the protiens in your leg muscles, causing permanent nerve damage.... who knows? nature doesn't usually just put limits on things like this just for kicks.... usually there is a really good reason. i mean think about it... a faster organism with greater endurance would likely be a more successful organism, so nature would limit this for nothing.
PS. Proteins don't denature just because you are working your muscles hard, nor do nerve endings get damaged under these circumstances. Yes, people in the medical field do know about these, no need to guess.