So many students tell me the same story — they sit at a desk all day, don’t take breaks to walk around and spend most of their working life on a computer. As someone who was once the same, I can really sympathise. I remember the days of agonisingly tense, sore shoulders well. The fact is that in ancient times we walked everywhere — even to get water. Our work was generally manual so we were never hunched over in one position for many hours. Sitting at a desk all day means tha