Damn, I have never even heard of those before. I am here and used to read the old EF board because they had crazy ass people on it.
Most are long gone - WLForums was only busy around the Olympics or big contests. GoHeavy was good, but it was an ugly gray board that got passed by when forums like Getbig got popular. Ironage died a slow death of constantly being down, PowerandBulk died that way too. Lyle's board was great because it was semi-secret, so gossip would wind up there, but he stopped wanting to mod it.
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Misc.fitness.weights was the closest to this board. It was an old interface, so things would go to your email or newsreader, so it was a pain in the ass. But that also meant that there was little to no moderation. If people didn't like your post, you'd just wind up with 90 posts telling you to fuck your mother or similar usually.
It was great though because the internet was new to most people, so lots didn't care about image. Mentzer, Titus, Sepe, Pat Arnold, Dan Duchaine, Nicole Bass, Andrulla Blanchette, etc... all showed up there at points and melted down, dropped gossip, etc....
Also you had the ability to cross post to other groups. So a schmoe poster from alt.amazon.women-admirers, a gay poster from soc.motss, a fat poster from Alt.fat.acceptance, and then some oddball group like misc.survivalism could all wind up there. It lead to some wild fights.
Alas it died in the early 2000s more or less when modern forums came into being.