Torso flexion modulates stiffness and reflex response

Journal of Electromyography and Kinesiology

Volumn 17, Issue 4, 2007, Pages 384-392

  Granata, K P ^a   Rogers, E ^a  

^a State University   (United States)

Author keywords

Low back; Reflex; Stability; Stiffness

Indexed keywords

ADULT; ARTICLE; BACK MUSCLE; BODY MOVEMENT; BODY POSTURE; ELECTROMYOGRAPHY; HUMAN; LOW BACK PAIN; LUMBAR SPINE; NEUROMUSCULAR SYSTEM; NORMAL HUMAN; OCCUPATIONAL DISEASE; PRIORITY JOURNAL; REFLEX; RISK FACTOR; SPINE STABILIZATION;

ABDOMEN; ELECTROMYOGRAPHY; FEMALE; HUMANS; MALE; MOVEMENT; MUSCLE, SKELETAL; RECRUITMENT, NEUROPHYSIOLOGICAL; REFLEX; SEX FACTORS; SPINE; THORAX;

EID: 34249890249     PISSN: 10506411     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jelekin.2006.10.010     Document Type: Article

References (41)

1. Adams M.A., and Dolan P. A technique for quantifying the bending moment acting on the lumbar spine in vivo. J Biomech 24 2 (1991) 117-126
2. Andersson E.A., Oddsson L.I.E., Grundstrom H., Nilsson J., and Thorensson A. EMG activities of the quadratus lumborum and erector spinae muscles during flexion-relaxation and other motor tasks. Clin Biomech 11 7 (1996) 392-400
3. Arjmand N., and Shirazi-Adl A. Model and in vivo studies on human trunk load partitioning and stability in isometric forward flexions. J Biomech 39 3 (2006) 510-521
4. Avela J., Kyrolainen H., and Komi P.V. Altered reflex sensitivity after repeated and prolonged passive muscle stretching. J Appl Physiol 86 4 (1999) 1283-1291
5. Bergmark A. Stability of the lumbar spine: a study in mechanical engineering. Acta Orthop Scand Suppl 230 (1989) 1-54
6. Cholewicki J., Simons A.P.D., and Radebold A. Effects of external trunk loads on lumbar spine stability. J Biomech 33 (2000) 1377-1385
7. Cholewicki J., Silfies S.P., Shah R.A., et al. Delayed trunk muscle reflex responses increase the risk of low back injuries. Spine 30 23 (2005) 2614-2620
8. Cram J.R., and Kasman G.S. Introduction to surface electromyography (1998), Aspden Inc, Gaithersurg, Md
9. Crisco J.J., Panjabi M.M., Yamamoto I., and Oxland T.R. Euler stability of the human ligamentous lumbar spine. Part II experiment. Clin Biomech 7 (1992) 27-32
10. Dolan P., Mannion A.F., and Adams M.A. Passive tissues help the back muscles to generate extensor moments during lifting. J Biomech 27 8 (1994) 1077-1085
11. Donelan J.M., and Pearson K.G. Contribution of force feedback to ankle extensor activity in decerebrate walking cats. J Neurophysiol 92 4 (2004) 2093-20104
12. Franklin TC, Granata KP. Role of reflex gain and delay on spinal stability. Dynamic Simulation. J Biomech, in press.
13. Gardner-Morse M.G., and Stokes I.A.F. The effects of abdominal muscle coactivation on lumbar spine stability. Spine 23 1 (1998) 86-92
14. Gardner-Morse M.G., and Stokes I.A.F. Trunk stiffness increases with steady-state effort. J Biomech 34 4 (2001) 457-463
15. Gardner-Morse M.G., Stokes I.A.F., and Laible J.P. Role of muscles in lumbar stability in maximum extension efforts. J Orthop Res 13 5 (1995) 802-808
16. Granata K.P., and Orishimo K. Response of trunk muscle coactivation to changes in spinal stability. J Biomech 34 9 (2001) 1117-1123
17. Granata K.P., and Wilson S.E. Trunk posture and spinal stability. J Biomech 16 8 (2001) 650-659
18. Granata K.P., Rogers E., and Moorhouse K. Effects of static flexion-relaxation on paraspinal reflex behavior. Clin Biomech (Bristol, Avon.) 20 1 (2005) 16-24
19. Hawkins D., and Bey M. Muscle and tendon force-length properties and their interactions in vivo. J Biomech 30 1 (1997) 63-70
20. Kearney R.E., and Hunter I.W. System identification of human triceps surae stretch reflex dynamics. Exp Brain Res 51 1 (1983) 117-127
21. Kearney R.E., and Hunter I.W. System identification of human joint dynamics. Crit Rev Biomed Eng 18 1 (1990) 55-87
22. Kippers V., and Parker A.W. Posture related to myoelectric silence of erectores spinae during trunk flexion. Spine 9 7 (1984) 740-745
23. Lee M, Analysis of lumbar spine kinematics during trunk flexion and extension motions. 2006; Virginia Tech. Ref Type: Thesis/Dissertation.
24. Lee P.J., Rogers E.L., and Granata K.P. Active trunk stiffness increases with co-contraction. J Electromyogr Kinesiol 16 1 (2006) 51-57
25. Matthews P.B.C. Observations on the automatic compensation of reflex gain on varying the pre-existing level of motor discharge in man. J Physiol 374 (1986) 73-90
26. McGill S.M., Seguin J.P., and Bennett G. Passive stiffness of the lumbar torso in flexion, extension, lateral bending, and axial rotation. Effect of belt wearing and breath holding. Spine 19 6 (1994) 696-704
27. Mirka G.A. The quantification of EMG normalization error. Ergonomics 34 3 (1991) 343-352
28. Moorhouse K.M., and Granata K.P. Trunk stiffness and dynamics during active extension exertions. J Biomech 38 10 (2005) 2000-2007
29. Moorhouse KM, Granata KP. Role of reflex dynamics in spinal stability: intrinsic muscle stiffness alone is insufficient for stability. J Biomech, in press.
30. Morgan D.L. Separation of active and passive components of short-range stiffness of muscle. Am J Physiol 232 1 (1977) c45-c49
31. Ogata K. Modern control engineering. fourth ed. (2002), Prentice Hall, Upper Saddle River, NJ
32. Panjabi M.M. The stabilizing system of the spine. Part I function, dysfunction, adaptation and enhancement. J Spinal Disorders 5 (1992) 383-389
33. Raschke U., and Chaffin D.B. Support for a linear length-tension relation of the torso extensor muscles: an investigation of the length and velocity EMG-force relationships. J Biomech 29 12 (1996) 1597-1604
34. Rogers E.L., and Granata K.P. Disturbed paraspinal reflex following prolonged flexion-relaxation and recovery. Spine 31 7 (2006) 839-845
35. Roy A.L., Keller T.S., and Colloca C.J. Posture-dependent trunk extensor EMG activity during maximum isometrics exertions in normal male and female subjects. J Electromyogr Kinesiol 13 5 (2003) 469-476
36. Solomonow M., Zhou B., Harras M., Lu Y., and Baratta R.V. The ligamento-muscular stabilizing system of the spine. Spine 23 23 (1998) 2552-2562
37. Solomonow M., Zhou B., Baratta R.V., Lu Y., and Harras M. Biomechanics of increased exposure to lumbar injury caused by cyclic loading: part 1. Loss of reflexive muscular stabilization. Spine 24 23 (1999) 2426-2434
38. Stokes I.A.F., Gardner-Morse M.G., Henry S.M., and Badger G.J. Decrease in trunk muscular response to perturbation with preactivation of lumbar spinal musculature. Spine 25 15 (2000) 1957-1964
39. Weiss P.L., Kearney R.E., and Hunter I.W. Position dependence of stretch reflex dynamics at the human ankle. Exp Brain Res 63 1 (1986) 49-59
40. Westwick D.T., and Kearney R.E. Identification of nonlinear physiologic systems (2003), IEEE Press, Piscataway, N.J
41. Yamamoto S., Nakazawa K., Yano H., and Ohtsuki T. Differential angle-dependent modulation of the long-latency stretch reflex responses in elbow flexion synergists. J Electromyogr Kinesiol 10 2 (2000) 135-142