Kick(boxing) away the pounds!

This evening I changed up my routine at the gym - I by-passed the cardio and weight machines to do kick-boxing.  It was a great workout - these types of workout really show you just how out of shape you are (LOL)! I did have some problems with some of the moves - especially those requiring me to jump (jumping jacks, etc.)  My knees just won't cooperate.  Otherwise I really enjoyed it - and burned 558 cal!