Originally Posted by
Sprung
Well, that and I can remember VIVIDLY what did my left knee in...
I was changing a 48" John Deere 4X4 tractor tire, and to break the old tire's seal on the rim I used a 'duckbill' hammer. A 15 LB sledgehammer with one side shaped like a duckbill...to slip in between the tire and the rim.
I did this all the time, but this time, I missed. I went from a full over the shoulder swing, missed, and hit directly under my left kneecap. I hit it so hard I completely knocked my leg out from under myself.
I limped for weeks.