Yes, I was pretty keen on squash and fives (Eton fives, not Rugby fives) when younger but my ankles were more of a problem than knees.

Nowadays it's more a "dilute to taste" orange flavoured drink. I never did quite see what there was to like about those funny mini-pumpkin things that mostly taste of nothing. What's that US folk song?

"Never marry a teacher
And here's the reason why
She blows her nose on cornbread
And calls it pumpkin pie".