We can rebuild you

Guardian Unlimited | Special reports | We can rebuild you: "Eighty per cent of us will suffer back pain in our lifetimes and over a million Britons are disabled because of it. Yet for decades sufferers have been given the wrong advice. Instead of lying down and taking it easy, we should be up on our feet, back at the office, even working out. Sarah Boseley explains why the thinking has changed and top fitness expert Joanna Hall sets out five easy exercises to get you back in action "