References
- ALTHOFF , I. , BRINCKMANN , P. , FORBIN , W. , SANDOVER , J. and BURTON , K. 1992 . An improved method of stature measurement for quantitative determination of spinal loading: application to sitting postures and whole body vibration . Spine , 17 : 682 – 693 .
- BIERING-SORENSEN , F. 1983 . A prospective study of low back pain in a general population. 1. Occurrence, recurrence and aetiology . Scandinavian Journal of Rehabilitation Medicine , 15 : 71 – 79 .
- BORG , G. 1970 . Perceived exertion as an indicator of somatic stress . Scandinavian Journal of Rehabilitation Medicine , 2 : 92 – 98 .
- BORK , B. E. , COOK , T. M. , ROSECRANCE , J. C. , ENGELHARDT , K. A. , THOMASON , M. E. J. , WAUFORD , I. J. and WORLEY , R. W. 1996 . Work-related musculoskeletal disorders among physical therapists . Physical Therapy , 76 : 827 – 835 .
- BRINKMANN , P. , FROBIN , W. , BIGGEMANN , M. , TILLOSTSON , M. and BURTON , K. 1998 . Quantification of overload injuries to thoracolumbar vertebrae and discs in persons exposed to heavy physical exertions or vibration at the workplace . Clinical Biomechanics , 13 : 1 – 36 .
- BROUHA , L. 1960 . Physiology in Industry , Oxford : Pergamon .
- BURTON , A. K. , TILLOTSON , K. M. and BOOCOCK , M. G. 1994 . Estimation of spinal loads in overhead work . Ergonomics , 37 : 1311 – 1321 .
- EKLUND , J. A. E. and CORLETT , E. N. 1984 . Shrinkage as a measure of the effect of load on the spine . Spine , 9 : 189 – 194 .
- FOREMAN , T. K. and LINGE , K. 1989 . The importance of heel compression in the measurement of diurnal stature variation . Applied Ergonomics , 20 : 299 – 300 .
- FRYMOYER , J. W. and GORDON , S. L. 1989 . Research perspectives in low-back pain. Report of a 1988 workshop . Spine , 14 : 1384 – 1390 .
- HELANDER , M. G. and QUANCE , L. A. 1990 . effect of work-rest schedules on spinal shrinkage in the sedentary worker . Applied Ergonomics , 21 : 279 – 284 .
- HILDEBRANDT , V. H. 1995 . Back pain in the working population: prevalence rates in Dutch trades and professions . Ergonomics , 38 : 1283 – 1298 .
- LEIVSETH , G. and DRERUP , B. 1997 . Spinal shrinkage during work in a sitting posture compared with work in a standing posture . Clinical Biomechanics , 12 : 409 – 418 .
- MAGNUSSON , M. L. , ALMQUIST , M. and LINDSTROM , I. 1990 . Measurements of time dependent height loss during sitting . Clinical Biomechanics , 5 : 137 – 142 .
- MATHIASSEN , S. E. 1993 . The influence of exercise/rest schedule on the physiological and psychophysical response to isometric shoulder-neck exercise . European Journal of Applied Physiology and Occupational Physiology , 67 : 528 – 539 .
- MCARDLE , W. D. , KATCH , F. I. and KATCH , V. L. 1996 . Exercise Physiology , Baltimore : Williams & Wilkins .
- NAG , P. K. , SEBASTIAN , N. C. and MAVLANKAR , M. G. 1980 . Occupational work-load of Indian agricultural workers . Ergonomics , 23 : 91 – 102 .
- REILLEY , T. , TYRRELL , A. and TROUP , J. D. G. 1984 . Circadian variation in human stature . Chronobiology International , 1 : 121 – 126 .