When you run do you run on the balls of your feet? Or are you a heal striker?
http://www.triathletes-uk.org/info/running.html
"You're guaranteed to miss 100% of the shots you never take" - Wayne Gretzky
http://www.triathletes-uk.org/info/running.html
"You're guaranteed to miss 100% of the shots you never take" - Wayne Gretzky