Whoever dreamed up the exercises known as squats and lunges should be doomed to performing these torturous moves in hell for all eternity. It's been two days and I'm still so sore that it hurts to sit down. Yes, yes, I know, this whole 'getting in shape' plan was my idea - I'm not expecting sympathy. And I know that, eventually, I will be thankful that I put all this effort in - as I stroll down the beach in