These are most fun, I've found muscles I didn't even know I had! In the end we required liquids, so decided to go down to the garage....Then we spotted Wimpies. Humour ensued.
Allegedly you can jump 6 feet and run 22 mph....Unless you're Sven or Griff in which case you can only fall flat on your face.
You might find my blog interesting, there's more videos and more random rubbish http://www.qwerf.com or if you're bored, please annoy my wife http://www.qwerf.com/sign.php