Voluntary redistribution of muscle activity in human shoulder muscles

References

• ARBORELIUS , U. P. 1986 , On Assessment of Muscul-oskeletal Load with Biomechanical Models and EMG . Applications on Shoulder during Therapeutic Exercise and Standing Work . University of Stockholm. PhD thesis. University of Stockholm , Stockholm .
   Google Scholar
• ARVIDSSON , A. 1982 , A statistical method for detection of disturbances in physiological signals, Technical Report 682 , Research Laboratory of Medical Electronics, Chalmers University of Technology , Göteborg , Sweden .
   Google Scholar
• BASMAJIAN , J. V. 1985 , Biofeedback. Principles and Practice for Clinicians ( Williams & Wilkins , Baltimore ).
   Google Scholar
• BJELLE , A. , HAGBERG , M. and MICHAELSSON , G. 1981 , Occupational and individual factors in acute shoulder-neck disorders among industrial workers , British Journal of Industrial Medicine , 38 , 356 – 363 .
   PubMedGoogle Scholar
• CHAFFIN , D. B. 1973 , Localized muscle fatigue-definition and measurement , Journal of Occupational Medicine , 15 , 346 – 354 .
   PubMedGoogle Scholar
• EDWARDS , R. T. H. , 1988 , Hypothesis of peripheral and central mechanisms underlying occupational muscle pain and injury , European Journal of Applied Physiology , 57 , 275 – 281 .
   PubMed Web of Science ®Google Scholar
• HAGBERG , M. 1981 , Work load and fatigue in repetitive arm elevations . Ergonomics , 24 , 543 – 555 .
   PubMed Web of Science ®Google Scholar
• HAGBERG , M. 1984 , Occupational musculoskeletal stress and disorders of the neck and shoulder a review of possible pathophysiology , International Archives of Occupational and Environmental Health , 53 , 269 – 278 .
   PubMed Web of Science ®Google Scholar
• HAGBERG , M. 1987 , Shoulder pain-pathogenesis , in N. M. Hadler (ed.), Clinical Concepts in Regional Musculoskeletal illness ( Grune & Stratton , New York ), 191 – 200 .
   Google Scholar
• HAGBERG , M. , 1988 , Occupational musculoskeletal disorders-a new epidemiological challenge? in Progress in Occupational Epidemiology ( Elsevier , Amsterdam ), 15 – 26 .
   Google Scholar
• HÄGG , G. M. 1990 , Static work load and occupational myalgia-a new explanation model . Proceedings of the 8th International Congress of International Society of Electrophysiological Kinesiology , eds P. Anderson, D. Hobart and J. Danoff ( Elsevier , Amsterdam ).
   Google Scholar
• HERBERTS , P. , KADEFORS , R. and BROMAN , H. 1980 , Arm positioning in manual tasks. An electromyographic study of localized muscle fatigue , Ergonomics , 23 , 655 – 665 .
   PubMed Web of Science ®Google Scholar
• HERBERTS , P. , KADEFORS , R. , HÖGFORS , C. and SIGHOLM , G. 1984 , Shoulder pain and heavy manual labor , Clinical Orthopaedics , 191 , 166 – 178 .
   PubMed Web of Science ®Google Scholar
• HOWELL , S. M. , IMOBERSTEG , M. , SEGER , D. H. and MARONE , P. J. 1986 , Classification of the role of the supraspinatus muscle in shoulder function , Journal of Bone and Joint Surgery , 3 , 398 – 104 .
   Google Scholar
• JÄRVHOLM , U. , PALMERUD , G. , KARLSSON , D. , HERBERTS , P. and KADEFORS , R. 1991 , I ntramuscular pressure and electromyography in four shoulder muscles , Journal of Orthopaedic Research , 9 , 609 – 619 .
   PubMed Web of Science ®Google Scholar
• JONSSON , B. 1982 , Measurement and evaluation of local muscular strain in the shoulder during constrained work , Journal of Human Ergology , 11 , 73 – 88 .
   PubMedGoogle Scholar
• KADEFORS , R. and PETERSÉN , I. 1991 ( Personal Communication ).
   Google Scholar
• KADEFORS , R. , PETERSEN , I. and HERBERTS , P. 1976 , Muscular reaction to welding work An electromyographic investigation , Ergonomics , 19 , 543 – 558 .
   PubMed Web of Science ®Google Scholar
• KADEFORS , R. , ARVIDSSON , A. , HERBERTS , P. and PETERSEN , I. 1983 , EMG data processing in ergonomics, with emphasis on studies of shoulder muscle load , in J. E. Desmedt (ed.) , Computer-Aided Electromyography , ( Karger , Basel ) 273 – 286 .
   Google Scholar
• LARSSON , S. E. , BENGTSSON , A. , BODEGARD , L. , HENRIKSSON , K.G. and LARSSON , J. 1988 , Muscle changes in work-related chronic myalgia , Acta Orthopaedics Scandinavica 59 , 552 – 556 .
   PubMedGoogle Scholar
• MAEDA , K. 1977 , Occupational cervicobrachial disorders and its causative factors , Journal of Human Ergology , 6 , 193 – 202 .
   PubMedGoogle Scholar
• MAEDA , K. , HÜNTING , W. and GRANDJEAN , E. 1980 , Localized fatigue in accounting machine operators , Journal of Occupational Medicine , 22 , 810 – 816 .
   PubMedGoogle Scholar
• NEER , C. S. II. , 1983 , Impingement lesions . Clinical Orthopaedics , 173 , 70 – 77 .
   PubMed Web of Science ®Google Scholar
• PERRY , J. 1988 , Biomechanics and muscle control of the shoulder , in C. R. Rowe (ed. ). The Shoulder ( Churchill Livingstone , Edinburgh ), 1 – 34 .
   Google Scholar
• POPPEN , N. K. and WALKER , P. S. 1978 , Forces at the glenohumeral joint in abduction , Clinical Orthopaedics , 135 , 165 – 170 .
   PubMed Web of Science ®Google Scholar
• SCHÜLDT , K. , EKHOLM , J. , HARMS-RINGDAHL , K. , NËMETH.G. and ARBORELIUS , U. P. 1987 , Effect of arm support or suspension on neck and shoulder muscle activity during sedentary work , Scandinavian Journal of Rehabilitative Medicine , 19 , 77 – 84 .
   PubMedGoogle Scholar
• SIGHOLM , G. , HERBERTS , P. , ALMSTRÖM , C. and KADEFORS , R. 1984 , Electromyographic analysis of shoulder muscle load , Journal of Orthopaedic Research , 1 , 379 – 386 .
   PubMedGoogle Scholar
• SIHVONEN , T. , BASKIN , K. and HÄNNINEN , O. 1989 , Neck-shoulder loading in wordprocessor use , International Archives of Occupational and Environmental Health , 61 , 229 – 233 .
   PubMed Web of Science ®Google Scholar
• TAKALA , E.-P. 1991 , Assessment of Neck-Shoulder Disorders in Occupational Health Care Practice , MD thesis ., Institute of Occupational Health , Helsinki , Finland .
   Google Scholar
• WORSTED , M. , BJØRKLUND , R. A. and WESTGAARD , R. H. 1991 , Shoulder muscle tension induced by two VDU-based tasks of different complaints , Ergonomics , 34 , 137 – 150 .
   PubMed Web of Science ®Google Scholar
• WESTGAARD , R. H. 1988 , Measurement and evaluation of postural load in occupational work situations , European Journal of Applied Physiology , 57 , 291 – 304 .
   PubMed Web of Science ®Google Scholar
• WESTGAARD , R. H. and AARÅS , A. 1984 , Postural muscle strain as a causal factor in the development of musculoskeletal illnesses , Applied Ergonomics , 15 , 162 – 174 .
   PubMed Web of Science ®Google Scholar