Good question. I'd like to know what they mean when they say that too. My left knee is pretty shot. Blue my acl miniscuss knee cap and leg bone on one hockey accident. I am guessing they mean all the cartilidge is just squished out of the joint and well... garbage. Just a guess.
"knees gone" typically refers to cartilage that cushions the knees. Hey it could be worse, you could be skiing where that shit could twist like a coo koo clock. If you're under 35 you should be good as long as you're not sending 100ft gaps and such. You're from brighton (brighton mass i'll assume aka boston for the rest of the USA.) Knees are very resilient like ribs, if you have a serious problem it should be checked out but otherwise what doesn't kill ya makes you stronger. Health insurance is you're best friend when the shit hits the fan
You can begin a strength training routine which will help to preserve joint health and function.
East Coast Park Rat
2008 Burton Twin 157 w/ Rome 390 Boss
2005 Burton Canyon 168 w/ Ride LS "its ppl like you, that I would "impact damage" your face if i ever saw you
keep your mouth shut. one more time, please and thank you." -user: chingy_