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ישן 18-02-07, 22:43   #4
igorek
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Note: Adapted from thechapter on back beltsby Stuart McGill in:“Ultimate Back Fitness and Performance”, Wabuno publishers, 2004, Canada. Available from www.backfitpro.com

References
Ciriello, V.M., and Snook, S.H. (1995) The effect of back belts on lumbar muscle fatigue. Spine, 20 (11):1271-1278.
Granata, K.P., Marras, W.S., and Davis, K.G. (1997) Biomechanical assessment of lifting dynamics, muscle activity andspinal loads while using three different style lifting belts. Clin. Biomech, 12 (2): 107-115.
Harman, E.A., Rosenstein, R.M., Frykman, P.N., and Nigro, G.A. (1989) Effects of a belt on intra-abdominal pressure during weight lifting. Med. Sci. Sports Exercise, 2 (12): 186-190.
Hunter, G.R., McGuirk, J., Mitrano, N., Pearman, P., Thomas, B., and Arrington, R. (1989) The effects of a weight training belt on blood pressure during exercise. J. Appl. Sport Sci. Res., 3 (1):13-18.
Lander, J.E., Hundley, J.R., and Simonton, R.L. (1992) The effectiveness of weight belts during multiple repetitions of the squat exercise. Med. Sci. Sports Exercise, 24 (5): 603-609.
Lantz, S.A., and Schultz, A.B. (1986) Lumbar spine orthosis wearing. I. Restriction of gross body motion. Spine, 11 (: 834-837.
McCoy, M.A., Congleton, J.J., Johnston, W.L., and Jiang, B.C. (1988) The role of lifting belts in manual lifting. Int. J.Ind. Ergonomics, 2: 259-266.
McGill, S.M. (1993) Abdominal belts in industry: A position paper on their assets, liabilities and use. Am.Ind.Hyg.Assoc.J., 54 (12): 752-754.
McGill, S.M., and Norman, R.W. (1987) Reassessment of the role of intra-abdominal pressure in spinal compression. Ergonomics, 30 (11): 1565-1588.
McGill, S., Norman, R.W., and Sharratt, M.T. (1990) The effect of an abdominal belt on trunk muscle activity and intra-abdominal pressure during squat lifts. Ergonomics, 33 (2): 147-160.
McGill, S.M., Seguin, J.P., and Bennett, G. (1994) Passive stiffness of the lumbar torso in flexion, extension, lateral bend and axial twist: The effect of belt wearing and breath holding. Spine, 19 (6): 696-704.
McGill, S.M. Invited Paper. (1999) Should industrial workers wear abdominal belts: guidelines based on the recent literature. Int. J. Industrial Ergonomics 23(5-6): 633-636.
McGill, S.M. Medical Management: Back Belts. In: Occupational Ergonomics Handbook (second edition), CRC Press, 2004.
McGill, S.M., Ultimate back fitness and performance, Wabuno Publishers, Waterloo, 2004 (available from www.backfitpro.com).
Mitchell, L.V., Lawler, F.H., Bowen, D., Mote, W., Asundi, P., and Purswell, J. (1994) Effectiveness and cost effectiveness of employer-issued back belts in areas of high risk for back injury. J. Occup. Med., 36 (1): 90-94.
Nachemson, A.L., Andersson, G.B.J., and Schultz, A.B. (1986) Valsalva maneuver biomechanics. Effects on lumbar-trunk loads of elevated intra-abdominal pressures. Spine, 11 (5): 476-479.
National Institute for Occupational Safety and Health (NIOSH) (1994, July) Workplace use of back belts. U.S.Department of Health and Human Services, Centers for Disease Control and Prevention.
Rafacz, W., and McGill, S.M. (1996) Abdominal belts increase diastolic blood pressure. J. Occup. Environ. Med., 38 (9): 925-927.
Reddell, C.R., Congleton, J.J., Huchinson R.D., and Montgomery J.F. (1992) An evaluation of a weightlifting belt and back injury prevention training class for airline baggage handlers. Appl. Ergonomics, 23 (5): 319-329.
Reyna, J.R., Leggett, S.H., Kenney, K., Holmes, B., and Mooney, V. (1995) The effect of lumbar belts on isolated lumbar muscle. Spine, 20 (1): 68-73.
Wassell, J.T., Gardner, L.I., Landsittel, D.P., Johnston, J.J., and Johnston, J.M. (2000) A prospective study of back belts for prevention of back pain and injury. J. Am. Med. Assn., 284 (21): 2727-2734.

This article originally appeared in NSCA's Performance Training Journal, a publication of the National Strength and Conditioning Association. For a free subscription to the journal, browse to www.nsca-lift.org/perform.
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