Task variation during simulated, repetitive, low-intensity work – influence on manifestation of shoulder muscle fatigue, perceived discomfort and upper-body postures

References

• Andersson, B. J., R. Ortengren, A. Nachemson, and G. Elfström. 1974. “Lumbar Disc Pressure and Myoelectric Back Muscle Activity During Sitting. I. Studies on an Experimental Chair.” Scandinavian Journal of Rehabilitation Medicine 6 (3): 104–114.
   PubMedGoogle Scholar
• Arvidsson, I., I. Balogh, G. A. Hansson, K. Ohlsson, I. Åkesson, and C. Nordander. 2012. “Rationalization in Meat Cutting – Consequences on Physical Workload.” Applied Ergonomics 43 (6): 1026–1032. doi:10.1016/j.apergo.2012.03.001.
   PubMed Web of Science ®Google Scholar
• Åhsberg, E. 1997. “Perceived Quality of Fatigue During Different Occupational Tasks – Development of a Questionnaire.” International Journal of Industrial Ergonomic 20: 121–135.
   Web of Science ®Google Scholar
• Bagg, S. D., and W. J. Forrest. 1986. “Electromyographic Study of the Scapular Rotators During Arm Abduction in the Scapular Plane.” American journal of Physical Medicine & Rehabilitation 65 (3): 111–124.
   Web of Science ®Google Scholar
• Balci, R., and F. Aghazadeh. 2003. “The Effect of Work-Rest Schedules and Type of Task on the Discomfort and Performance of vdt Users.” Ergonomics 46 (5): 455–465. doi:10.1080/0014013021000047557.
   PubMed Web of Science ®Google Scholar
• Basmajian, J., and C. De Luca. 1985. Muscles Alive: Their Functions Revealed by Electromyography. 5th ed. Baltimore: Lippincott, Williams and Wilkins.
   Google Scholar
• Borg, G. 1982. “Psychophysical Bases of Perceived Exertion.” Medicine and Science in Sports and Exercise 14 (5): 377–381. doi:10.1249/00005768-198205000-00012.
   PubMed Web of Science ®Google Scholar
• Buckle, P. W., and J. J. Devereux. 2002. “The Nature of Work-Related Neck and Upper Limb Musculoskeletal Disorders.” Applied Ergonomics 33 (3): 207–217. doi:10.1016/S0003-6870(02)00014-5.
   PubMed Web of Science ®Google Scholar
• Byström, S. E. G., S. E. Mathiassen, and C. Fransson-Hall. 1991. “Physiological Effects of Micropauses in Isometric Handgrip Exercise.” European Journal of Applied Physiology 63: 405–411.
   PubMed Web of Science ®Google Scholar
• Costa, M., A. Goldberger, and C. K. Peng. 2002. “Multiscale Entropy Analysis of Complex Physiologic Time Series.” Physical Review Letters 89 (6): 068102-1-068102-4. 10.1103/PhysRevLett.89.068102.
   Web of Science ®Google Scholar
• Côté, J. N., D. Raymond, P. A. Mathieu, A. G. Feldman, and M. F. Levin. 2005. “Differences in Multi-Joint Kinematic Patterns of Repetitive Hammering in Healthy, Fatigued and Shoulder-Injured Individuals.” Clinical Biomechanics 20 (6): 581–590.
   PubMed Web of Science ®Google Scholar
• Crenshaw, A. G., M. Djupsjöbacka, and A. Svedmark. 2006. “Oxygenation, EMG and Position Sense During Computer Mouse Work. Impact of Active Versus Passive Pauses.” European Journal of Applied Physiology 97 (1): 59–67. doi:10.1007/s00421-006-0138-4.
   PubMed Web of Science ®Google Scholar
• Dababneh, A. J., N. Swanson, and R. L. Shell. 2001. “Impact of Added Rest Breaks on the Productivity and Well Being of Workers.” Ergonomics 44 (2): 164–174. doi:10.1080/00140130121538.
   PubMed Web of Science ®Google Scholar
• Ebaugh, D. D., P. W. Mcclure, and A. R. Karduna. 2006. “Scapulothoracic and Glenohumeral Kinematics Following an External Rotation Fatigue Protocol.” Journal of Orthopaedic & Sports Physical Therapy 36 (8): 557–571. doi:10.2519/jospt.2006.2189.
   PubMed Web of Science ®Google Scholar
• Falla, D., and D. Farina. 2007. “Periodic Increases in Force During Sustained Contraction Reduce Fatigue and Facilitate Spatial Redistribution of Trapezius Muscle Activity.” Experimental Brain Research 182 (1): 99–107. doi:10.1007/s00221-007-0974-4.
   PubMed Web of Science ®Google Scholar
• Farina, D., F. Leclerc, L. Arendt-Nielsen, O. Buttelli, and P. Madeleine. 2008. “The Change in Spatial Distribution of Upper Trapezius Muscle Activity is Correlated to Contraction Duration.” Journal of Electromyography and Kinesiology 18 (1): 16–25. doi:10.1016/j.jelekin.2006.08.005.
   PubMed Web of Science ®Google Scholar
• Field, A. 2013. Discovering Statistics Using IBM SPSS Statistics. 4th revised ed. London: SAGE Publications Ltd.
   Google Scholar
• Fuller, J. R., K. V. Lomond, J. Fung, and J. N. Côté. 2009. “Posture-Movement Changes Following Repetitive Motion-Induced Shoulder Muscle Fatigue.” Journal of Electromyography and Kinesiology 19 (6): 1043–1052. doi:10.1016/j.jelekin.2008.10.009.
   PubMed Web of Science ®Google Scholar
• Galinsky, T. L., N. G. Swanson, S. L. Sauter, J. J. Hurrell, and L. M. Schleifer. 2000. “A Field Study of Supplementary Rest Breaks for Data-Entry Operators.” Ergonomics 43 (5): 622–638. doi:10.1080/001401300184297.
   PubMed Web of Science ®Google Scholar
• Hagberg, M., B. A. Silverstein, R. V. Wells, M. J. Smith, H. W. Hendrick, P. Carayon, and M. Pérusse. 1995. Work Related Musculoskeletal Disorders: A Reference for Prevention. London: Taylor & Francis.
   Google Scholar
• Hägg, G. 1991. “Static Work Loads and Occupational Myalgia – A New Explanation Model.” In Electromyographyical Kinesiology, edited by P. A. Anderson, D. J. Hobart, and J. V. Danhoff, 141–144. Amsterdam: Elsevier Science Publishers B.V.
   Google Scholar
• Henning, R. A., P. Jacques, G. V. Kissel, A. B. Sullivan, and S. M. Alteras-Webb. 1997. “Frequent Short Rest Breaks From Computer Work: Effects on Productivity and Well-Being at Two Field Sites.” Ergonomics 40 (1): 78–91. doi:10.1080/001401397188396.
   PubMed Web of Science ®Google Scholar
• Hermens, H. J., B. Freriks, C. Disselhorst-Klug, and G. Rau. 2000. “Development of Recommendations for SEMG Sensors and Sensor Placement Procedures.” Journal of Electromyography and Kinesiology 10 (5): 361–374. doi:10.1016/S1050-6411(00)00027-4.
   PubMed Web of Science ®Google Scholar
• Holtermann, A., K. Roeleveld, and J. S. Karlsson. 2005. “Inhomogeneities in Muscle Activation Reveal Motor Unit Recruitment.” Journal of Electromyography and Kinesiology 15 (2): 131–137. doi:10.1016/j.jelekin.2004.09.003.
   PubMed Web of Science ®Google Scholar
• Inman, V. T., J. B. D. Saunders, and L. C. Abbott. 1944. “Observations on the Function of the Shoulder Joint.” Journal of Bone and Joint Surgery 26: 1–30.
   Google Scholar
• Iridiastadi, H., and M. A. Nussbaum. 2006. “Muscle Fatigue and Endurance During Repetitive Intermittent Static Efforts: Development of Prediction Models.” Ergonomics 49 (4): 344–360. doi:10.1080/00140130500475666.
   PubMed Web of Science ®Google Scholar
• Jensen, C., and R. H. Westgaard. 1995. “Functional Subdivision of the Upper Trapezius Muscle During Maximal Isometric Contractions.” Journal of Electromyography and Kinesiology 5 (4): 227–237. doi:10.1016/1050-6411(94)00011-5.
   PubMed Web of Science ®Google Scholar
• Jensen, C., and R. H. Westgaard. 1997. “Functional Subdivision of the Upper Trapezius Muscle During Low-Level Activation.” European Journal of Applied Physiology 76 (4): 335–339. doi:10.1007/s004210050257.
   Web of Science ®Google Scholar
• Lake, D. E., J. S. Richman, M. P. Griffin, and J. R. Moorman. 2002. “Sample Entropy Analysis of Neonatal Heart Rate Variability.” American Journal of Physiology: Regulatory, Integrative and Comparative Physiology 283 (3): R789–R797. doi:10.1152/ajpregu.00069.2002.
   PubMed Web of Science ®Google Scholar
• Luger, T., T. Bosch, D. Veeger, and M. De Looze. 2014. “The Influence of Task Variation on Manifestation of Fatigue is Ambiguous – A Literature Review.” Ergonomics 57 (2): 162–174. doi:10.1080/00140139.2014.885088.
   PubMed Web of Science ®Google Scholar
• Madeleine, P. 2010. “On Functional Motor Adaptations: From the Quantification of Motor Strategies to the Prevention of Musculoskeletal Disorders in the Neck–Shoulder Region.” Acta Physiologica 199: 1–46. doi:10.1111/j.1748-1716.2010.02145.x.
   PubMed Web of Science ®Google Scholar
• Madeleine, P., and T. M. Madsen. 2009. “Changes in the Amount and Structure of Motor Variability During a Deboning Process are Associated With Work Experience and Neck–Shoulder Discomfort.” Applied Ergonomics 40 (5): 887–894. doi:10.1016/j.apergo.2008.12.006.
   PubMed Web of Science ®Google Scholar
• Madeleine, P., M. Voigt, and S. E. Mathiassen. 2008. “The Size of Cycle-to-Cycle Variability in Biomechanical Exposure Among Butchers Performing a Standardised Cutting Task.” Ergonomics 51 (7): 1078–1095. doi:10.1080/00140130801958659.
   PubMed Web of Science ®Google Scholar
• Mathiassen, S. E. 1993. “The Influence of Exercise-Rest-Schedules on the Physiological and Psychophysical Response to Isometric Shoulder–Neck Exercise.” European Journal of Applied Physiology 67 (6): 528–539. doi:10.1007/BF00241650.
   PubMed Web of Science ®Google Scholar
• Mathiassen, S. E. 2006. “Diversity and Variation in Biomechanical Exposure: What is it, and Why Would We Like to Know?” Applied Ergonomics 37 (4): 419–427. doi:10.1016/j.apergo.2006.04.006.
   PubMed Web of Science ®Google Scholar
• Mathiassen, S. E., and J. Winkel. 1996. “Physiologic Comparison of Three Interventions Inlight Assembly Work.” International archives of occupational and environmental health 68 (2): 94–108. doi:10.1007/BF00381241.
   PubMed Web of Science ®Google Scholar
• Mathiassen, S. E., J. Winkel, and M. Hägg. 1995. “Normalization of Surface EMG Amplitude from the Upper Trapezius Muscle in Ergonomics – A Review.” Journal of Electromyography and Kinesiology 5 (4): 197–226. doi:10.1016/1050-6411(94)00014-X.
   PubMed Web of Science ®Google Scholar
• Mclean, L. 2005. “The Effect of Postural Correction on Muscle Activation Amplitudes Recorded from the Cervicobrachial Region.” Journal of Electromyography and Kinesiology 15 (6): 527–535. doi:10.1016/j.jelekin.2005.06.003.
   PubMed Web of Science ®Google Scholar
• Moritani, T., and M. Muro. 1987. “Motor Unit Activity and Surface Electromyogram Power Spectrum During Increasing Force of Contraction.” European Journal of Applied Physiology 56 (3): 260–265. doi:10.1007/BF00690890.
   PubMed Web of Science ®Google Scholar
• Möller, T., S. E. Mathiassen, H. Franzon, and S. Kihlberg. 2004. “Job Enlargement and Mechanical Exposure Variability in Cyclic Assembly Work.” Ergonomics 47 (1): 19–40.
   PubMed Web of Science ®Google Scholar
• Palmerud, G., R. Kadefors, H. Sporrong, U. Järvholm, P. Herberts, C. Högfors, and B. Peterson. 1995. “Voluntary Redistribution of Muscle-Activity in Human Shoulder Muscles.” Ergonomics 38 (4): 806–815. doi:10.1080/00140139508925151.
   PubMed Web of Science ®Google Scholar
• Richman, J. S., and J. R. Moorman. 2000. “Physiological Time-Series Analysis Using Approximate Entropy and Sample Entropy.” American Journal of Physiology – Heart and Circulatory Physiology 278 (6): H2039–H2049.
   PubMed Web of Science ®Google Scholar
• Rissén, D., B. Melin, L. Sandsjö, I. Dohns, and U. Lundberg. 2002. “Psychophysiological Stress Reactions, Trapezius Muscle Activity, and Neck and Shoulder Pain Among Female Cashiers Before and After Introduction of Job Rotation.” Work & Stress 16 (2): 127–137.
   Web of Science ®Google Scholar
• Samani, A., A. Holtermann, K. Søgaard, and P. Madeleine. 2009. “Active Pauses Induce More Variable Electromyographic Pattern of the Trapezius Muscle Activity During Computer Work.” Journal of Electromyography and Kinesiology 19 (6): e430–e437. doi:10.1016/j.jelekin.2008.11.011.
   PubMed Web of Science ®Google Scholar
• Samani, A., A. Holtermann, K. Søgaard, and P. Madeleine. 2010. “Active Biofeedback Changes the Spatial Distribution of Upper Trapezius Muscle Activity During Computer Work.” European Journal of Applied Physiology 110 (2): 415–423. doi:10.1007/s00421-010-1515-6.
   PubMed Web of Science ®Google Scholar
• Sjörs, A., B. Larsson, J. Dahlman, T. Falkmer, and B. Gerdle. 2009. “Physiological Responses to Low-Force Work and Psychosocial Stress in Women With Chronic Trapezius Myalgia.” BMC Musculoskeletal Disorders 10: 63.
   PubMed Web of Science ®Google Scholar
• Sjøgaard, G., L. Rosendal, J. Kristiansen, A. K. Blangsted, J. Skotte, B. Larsson, B. Gerdle, B. Saltin, and K. Søgaard. 2010. “Muscle Oxygenation and Glycolysis in Females with Trapezius Myalgia During Stress and Repetitive Work Using Microdialysis and Nirs.” European Journal of Applied Physiology 108 (4): 657–669.
   PubMed Web of Science ®Google Scholar
• Skelly, A. C., J. R. Dettori, and E. D. Brodt. 2012. “Assessing Bias: The Importance of Considering Confounding.” Evidence-Based Spine-Care Journal 3 (1): 9–12. doi:10.1055/s-0031-1298595.
   PubMedGoogle Scholar
• Srinivasan, D., and S. E. Mathiassen. 2012. “Motor Variability in Occupational Health and Performance.” Clinical Biomechanics 27 (10): 979–993. doi:10.1016/j.clinbiomech.2012.08.007.
   PubMed Web of Science ®Google Scholar
• Staudenmann, D., K. Roeleveld, D. F. Stegeman, and J. H. Van Dieen. 2010. “Methodological Aspects of SEMG Recordings for Force Estimation – A Tutorial and Review.” Journal of Electromyography and Kinesiology 20 (3): 375–387. doi:10.1016/j.jelekin.2009.08.005.
   PubMed Web of Science ®Google Scholar
• Sundelin, G. 1993. “Patterns of electromyographic shoulder muscle fatigue during mtm-paced repetitive arm work with and without pauses.” International archives of occupational and environmental health 64 (7): 485–493. doi:10.1007/BF00381096.
   PubMed Web of Science ®Google Scholar
• Veeger, H. E. J., V. D. F. C. T. Van der Helm, E. K. J. Chadwick, and D. Magermans. 2003. “Toward Standardized Procedures for Recording and Describing 3D Shoulder Movements.” Behavior Research Methods, Instruments, & Computers 35 (3): 440–446. doi:10.3758/BF03195521.
   PubMedGoogle Scholar
• Veeger, H. E. J., B. Yu, K. N. An, and R. H. Rozendal. 1997. “Parameters for Modeling the Upper Extremity.” Journal of Biomechanics 30 (6): 647–652. doi:10.1016/S0021-9290(97)00011-0.
   PubMed Web of Science ®Google Scholar
• Welch, P. D. 1967. “The Use of Fast Fourier Transform for the Estimation of Power Spectra: A Method Based on Time Averaging Over Short, Modified Periodograms.” IEEE Transactions on Audio and Electroacoustics 15 (2): 70–73. doi:10.1109/TAU.1967.1161901.
   Google Scholar
• Westgaard, R. H., T. Jansen, and C. Jensen. 1996. “EMG of Neck and Shoulder Muscles: The Relationship Between Muscle Activity and Muscle Pain in Occupational Settings.” In Electromyography in ergonomics, edited by S. Kumar and A M, 227–258. London: Taylor & Francis.
   Google Scholar
• Wu, G., F. C. T. Van Der Helm, H. E. J. (DirkJan) Veeger, M. Makhsous, P. Van Roy, C. Anglin, J. Nagels, et al. 2005. “ISB Recommendation on Definitions of Joint Coordinate Systems of Various Joints for the Reporting of Human Joint Motion—Part II: Shoulder, Elbow, Wrist and Hand.” Journal of Biomechanics 38 (5): 981–992. doi:10.1016/j.jbiomech.2004.05.042.
   PubMed Web of Science ®Google Scholar
• Yassierli, and M. A. Nussbaum. 2007. “Muscle Fatigue During Intermittent Isokinetic Shoulder Abduction: Age Effects and Utility of Electromyographic Measures.” Ergonomics 50 (7): 1110–1126. doi:10.1080/00140130701308716.
   PubMed Web of Science ®Google Scholar
• Yung, M., S. E. Mathiassen, and R. P. Wells. 2012. “Variation of Force Amplitude and its Effects on Local Fatigue.” European Journal of Applied Physiology 112 (11): 3865–3879. doi:10.1007/s00421-012-2375-z.
   PubMed Web of Science ®Google Scholar