PERFORMANCE becomes more physically extreme with each passing year. Dancers have come to expect being pushed to the limit every working day, but at least they have been trained to it! Actors find themselves in ever more uncomfortable positions as directors push the limits of physical drama ... but whoever imagined that opera singers would be expected to sing whilst hanging almost upside down from a window 2 metres up! It is never too early or too late to start looking after your muscles, joints and bones - you never know how many visits to the osteopath it might save you ...