|Which muscles does that work?|
When I was a kid, my parents and teachers always said something like "There is no such thing as a dumb question." or "The only dumb question is the one you don't ask." That was about 50 years before Al Gore invented the internet though. If you spend enough time reading comments from Cyberspace you will realize that there actually are such things as dumb questions. Greg Everett of Catalyst Athletics answers a few that he has encountered. The insights are worth noting.
|Isn't that bad for your knees and shoulders?|