With my knees still aching I have decided to revert to doing circuit training to stay as fit as possible prior to walk.To all my twitter friends we need $30 to reach our first $1000 in donations PLEASE give it a thought take a look at http://www.everydayhero.com.au/nigel_reed how about 3x$10 Guys.we could give 2 families a weekend some place to focus on their personal relationship.Have a great day Guys.