T-nation.com will have all the information you want about that.
Look for the article entitled "A Question Of Strength". It's precisely your question.
The chart linked above is alright up to a point, but it has a glaring flaw, which is that it's based on bodyweight. Bodyweight is one of the most meaningless statistics in existence, when taken in a vacuum. The chart makes absolutely no sense because it relies on bodyweight as the prime parameter. It fails to take into account body composition, bone density, etc.
I wonder if I could request, please, a small to medium muscled Asian girl arm wrestling against a much larger one. The smaller one would be struggling hard against her cocky larger opponent.
But anyways, there is nothing in the Bible about masturbation whatsoever. The sin of Onan was not masturbation. He was not doing anything like that. His sin was in failing to impregnate his erstwhile sister-in-law after being specifically instructed to.
But surely some norms do exist for a reason and muscle dysmorphia does result in very serious problems in some cases.
I mean, yes to girls who gym, yes to girls who are fitter and healthier than the average unhealthy one, yes to girls with attractive muscles that the rest of society turns their nose up at, yes to sthenolagnics (is that the term? no idea) like us who appreciate such women... but NO to women who become too obsessed with building up muscle to the point of doing all kinds of unhealthy things to themselves!
To defend certain kinds of extreme behaviour by pointing at some societal attitudinal bogeyman is almost like how those obese women you have over there in America go around stupidly campaigning for their "right" to be obese. Whether or not you win the "right" to do silly things to yourself is not the point -- the point is that you're dying because of it!