The responses of leg and trunk muscles to sudden unloading of the hands: Implications for balance and spine stability

Clinical Biomechanics

Volumn 18, Issue 9, 2003, Pages 812-820

  Brown, S H M ^a   Haumann, M L ^a   Potvin, J R ^a  

^a UNIVERSITY OF WINDSOR   (Canada)

Author keywords

EMG activity; Spinal stability; Spine mechanics

Indexed keywords

BIOLOGICAL ORGANS; MUSCLE;

SPINE STABILITY;

BIOMECHANICS;

ADULT; APPARATUS; ARTICLE; BACK MUSCLE; BODY POSTURE; CONTROLLED STUDY; ELECTROMYOGRAM; HUMAN; HUMAN EXPERIMENT; INJURY; LEG MUSCLE; MALE; MUSCLE CONTRACTION; NORMAL HUMAN; PRESSURE; PRIORITY JOURNAL; RISK FACTOR; SKELETAL MUSCLE; SPINE INJURY; SPINE STABILIZATION; STATISTICAL ANALYSIS; TRUNK; WEIGHT BEARING;

EID: 0141646548     PISSN: 02680033     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0268-0033(03)00167-0     Document Type: Article

References (26)

1. Andersson G.B.J. Epidemiologic aspects on low-back pain in industry. Spine. 6:1981;53-60.
2. Aruin A.S., Latash M.L. The role of motor action in anticipatory postural adjustments studied with self-induced and externally triggered perturbations. Experimental Brain Research. 106:1995;291-300.
3. Aruin A.S., Forrest W.R., Latash M.L. Anticipatory postural adjustments in conditions of postural instability. Electroencephalography and Clinical Neurophysiology. 109:1998;350-359.
4. Chaffin D.B., Andersonn G.B.J. Occupational biomechanics as a specialty. Occupational Biomechanics. 1984;1-15 John Wiley and Sons, New York.
5. Chiang J., Potvin J.R. The in vivo dynamic response of the human spine to rapid lateral bend perturbation: effects of preload and step input magnitude. Spine. 26:2001;1457-1464.
6. Cholewicki J., McGill S.M. Mechanical stability of the in vivo lumbar spine: implications for injury and chronic low back pain. Clinical Biomechanics. 11:1996;1-15.
7. Cholewicki J., McGill S.M., Norman R.W. Comparison of muscle forces and joint load from an optimization and EMG assisted lumbar spine model: toward the development of a hybrid approach. Journal of Biomechanics. 28:1995;321-331.
8. Cholewicki J., Panjabi M.M., Khachatryan A. Stabilizing function of trunk flexor-extensor muscles around a neutral posture. Spine. 22:1997;2207-2212.
9. Cholewicki J., Simons A.P.D., Radebold A. Effects of external trunk loads on lumbar spine stability. Journal of Biomechanics. 33:2000;1377-1385.
10. Cresswell A.G., Oddsson L., Thorstensson A. The influence of sudden perturbations on trunk muscle activity and intra-abdominal pressure while standing. Experimental Brain Research. 98:1994;336-341.
11. Diener H.C., Dichgans J., Bootz F., Bacher M. Early stabilization of human posture after a sudden disturbance: influence of rate and amplitude of displacement. Experimental Brain Research. 56:1984;126-134.
12. Gardner-Morse M.G., Stokes I.A.F. The effects of abdominal muscle coactivation on lumbar spine stability. Spine. 23:1998;86-91.
13. Granata K.P., Marras W.S. The influence of trunk muscle coactivity on dynamic spinal loads. Spine. 20:1995;913-919.
14. Krajcarski S.R., Potvin J.R., Chiang J. The in vivo dynamic response of the spine to perturbations causing rapid flexion: effects of pre-load and step input magnitude. Clinical Biomechanics. 14:1999;54-62.
15. Magnusson M.L., Aleksiev A.R., Wilder D.G. Unexpected load and asymmetric postures as etiologic factors in low back pain. European Spine Journal. 5:1996;23-25.
16. Marras W.S., Rangarajulu S.L., Lavender S.A. Trunk loading and expectation. Ergonomics. 30:1987;551-562.
17. Massion J. Movement, posture and equilibrium: Interaction and coordination. Progress in Neurobiology. 38:1992;35-56.
18. Massion J., Gurfinkel V., Lipshits M., Obadia A., Popov K. Axial synergies under microgravity conditions. Journal of Vestibular Research. 3:1993;275-287.
19. Nashner L.M., Woollacott M., Tuma G. Organization of rapid responses to postural and locomotor-like perturbations of standing man. Experimental Brain Research. 36:1979;463-476.
20. Oddson L. Control of voluntary trunk movements in man. Mechanism for postural equilibrium during standing. Acta Physiologica Scandinavica. 140:1990;1-60.
21. Radebold M.D., Cholewicki J., Panjabi M.M., Patel T.Ch. Muscle response pattern to sudden trunk loading in healthy individuals and in patients with chronic low back pain. Spine. 25:2000;947-954.
22. Stokes I.A.F., Gardner-Morse M., Henry S.M., Badger G.J. Decrease in trunk muscular response to perturbation with preactivation of lumbar spinal musculature. Spine. 25:2000;1957-1964.
23. Tesh K.M., Shaw Dunn J., Evans J.H. The abdominal muscles and vertebral stability. Spine. 12:1987;501-508.
24. Thomas J.S., Lavender S,A., Corcos D.M., Andersson G.B.J. Trunk kinematics and trunk muscle activity during rapidly applied load. Journal of Electromyography and Kinesiology. 8:1998;215-225.
25. Toussaint H.M., Commisaris D.A.C.M., Hoozemans M.J.M., Ober M.J., Beek P.J. Anticipatory postural adjustments before load pickup in a bimanual whole body lifting task. Medicine and Science in Sports and Exercise. 29:1997;1208-1215.
26. White A.A., Panjabi M.M. The problem of clinical instability in the human spine: a systematic approach. Clinical Biomechanics of the Spine. second ed. 1990;277-378 Lippincott, Philadelphia.