Re: Trying to drop some pounds
It that case the best solution for you considering your wrist an knee problem would be swimming. It's perfect because your body, and therefore your joints do not have to deal with gravity. I swam for 13 years in clubs (my mom made me start at 3 months old!) it did me wonders at the time...
"Absorb what is useful, discard what is not, add what is uniquely your own."
- Bruce Lee