1. Myoelectric back muscle activity during sitting;Andersson;Scandinavian Journal of Rehabilitation Medicine Supplement,1974a
2. Lumbar disc pressure and myoelectric back muscle activity during sitting;Andersson;II. Studies on an office chair. Scandinavian Journal of Rehabilitation Medicine,1974b
3. Lumbar disc pressure and myoelectric back muscle activity during sitting;Andersson;I. Studies on an experimental chair. Scandinavian Journal of Rehabilitation Medicine,1974a
4. Lumbar disc pressure and myoelectric back muscle activity during sitting;Andersson;IV. Studies on a car driver's seat. Scandinavian Journal of Rehabilitation Medicine,1974b
5. Development of a fibre optic goniometer system to measure lumbar and hip movement to detect activities and their lumbar postures;Bell;Journal of Medical Engineering & Technology,2007