Bibliografia

1) Chaffin D.B., Low back pain stresses during load liftin, in human body dinamics: impact, occupational and athletic aspects , Dhanioo N. (ed), Ghista-Clarendon press Oxford, 1982.

2) Colombini D., Posture analysis , Ergonomics, 28, 1: 95-8, 1985.

3) Colombini D., Posture di lavoro e patologie del rachide negli infermieri di un ospedale geriatrico . Atti del Seminario Nazionale Lavoro e Patologie del rachide. Milano, 1989.

4) Frymoyer J.W., et al., Spine radiographs in patients with low-back pain . J Bone Joint Surg, 66: 1048-55, 1984.

5) Gagnon M. et al., Evaluation of forces on the lumbosacral joint and assesment on work and energy transfers in nursing aides lifting patients . Ergonomics, volume 34 (3), 1986.

6) Gagnon M et al., Lumbo-sacral loads and selected muscle activity while turning patients in bed . Ergonomics, volume 30 (7), 1987.

7) Garg A., A biomechanical and ergonomics evaluation of patient trasferring tasks: bed to weelchair and weelchair to bed . Ergonomics, vol. 34 (3), 1991.

8) Garg A., Prevention of back injuries in healthcare workers . Int J Ind Ergon, 14, 1994.

9) Mayer T.G., et al., Objective assessment of spine function following industrial injury. A prospective study with comparison group and on year follow-up . Spine, 10 (6): 482-93, 1985.

10) Nachemson A., The load in lumbar disks in different position of the body . Clin Orth, 45, 1965.

11) Nachemson A., Intravital dynamic pressure measurements in lumbar discs . Scand J Rehab Med Suppl. n. 1, 1970.

12) Occhipinti E. et al., Attività muscolare e carico articolare: metodi e criteri di valutazione . Atti del Seminario Nazionale Lavoro e Patologie del rachide, 17-64, Milano, 1989.

13) Schultz A.B., Analysis of lads on the lumbar spine. Spine, volume 6 (1): 76-82, 1981.

14) Snook S.H., The design of manual handling tasks . Ergonomics volume 21 (12), 1978.