I saw it at this website
i don't why Guys’ weakest point is at the knee.
Most Helpful Opinion
Well... the knee IS a pretty weak, but vital joint. I mean, people can ruin their knees just by running! A knee injury is any athlete's worst nightmare, and it is very common.
I'll be honest, I didn't look at that link. But I figured I'd just throw some of my pre-med knowledge about the knee out there.