Muscle- and task-dependent responses to concurrent physical and mental workload during intermittent static work

References

• Allen , M. and Crowell , M. 1989 . Patterns of autonomic response during laboratory stressors . Psychophysiology , 26 ( 5 ) : 603 – 614 .
   PubMed Web of Science ®Google Scholar
• Astrand , P. and Rodahl , K. 1986 . , 3rd , New York : McGraw-Hill . Textbook of work physiology
   Google Scholar
• Au , A.K. and Keir , P.J. 2007 . Interfering effects of multitasking on muscle activity in the upper extremity . Journal of Electromyography and Kinesiology , 17 : 578 – 586 .
   PubMed Web of Science ®Google Scholar
• Bigos , S. , Battie , M. , Spengler , D. , Fisher , L. , Nachamsin , A. and Wang , M. 1986 . Back injuries in industry: a retrospective study. II. Injury factors . Spine , 11 : 1 – 6 .
   Web of Science ®Google Scholar
• Bjorklund , M. , Crenshaw , A. , Djupsjobacka , M. and Johansson , H. 2000 . Position sense acuity is diminished following repetitive low-intensity work to fatigue in a simulated occupational setting . European Journal of Applied Physiology , 81 ( 5 ) : 361 – 367 .
   PubMed Web of Science ®Google Scholar
• Bloemsaat , J.G. , Meulenbroek , R.G.J. and Galen , G.P.V. 2005 . Differential effects of mental load on promixal and distal arm muscle activity . Experimental Brain Research , 167 : 622 – 634 .
   PubMed Web of Science ®Google Scholar
• BLS . 2011 . Number and incidence rate of nonfatal occupational injuries and illnesses involving days away from work by selected worker and case characteristics and musculoskeletal disorders. Available from http://bls.gov/news.release/osh2.nr0.htm. (Accessed 10 May 2012)
   Google Scholar
• Cameron , M. , Adams , R. and Maher , C. 2003 . Motor control and strength as predictors of hamstring injury in elite players of Australian football . Physical Therapy in Sport , 4 ( 4 ) : 159 – 166 . doi: 10.1016/s1466-853x(03)00053-1
   Web of Science ®Google Scholar
• Carter , J.R. , Kupiers , N.T. and Ray , C.A. 2005 . Neurovascular responses to mental stress . The Journal of Physiology , 564 ( 1 ) : 321
   PubMed Web of Science ®Google Scholar
• Dettmers , C. , Lemon , R. , Stephen , K. , Fink , G. and Frackowiak , R. 1996 . Cerebral activation during the exertion of sustained static force in man . Neuroreport , 7 ( 13 ) : 2103
   PubMed Web of Science ®Google Scholar
• Enoka , R. , Christou , E. , Hunter , S. , Kornatz , K. , Semmler , J. , Taylor , A. and Tracy , B. 2003 . Mechanisms that contribute to differences in motor performance between young and old adults . Journal of Electromyography and Kinesiology , 13 : 1 – 12 .
   PubMed Web of Science ®Google Scholar
• Finsen , L. , Sogaard , K. , Jensen , C. , Borg , V. and Christensen , H. 2001 . Muscle activity and cardiovascular response during computer-mouse work with and without memory demands . Ergonomics , 44 ( 14 ) : 1312 – 1329 .
   PubMed Web of Science ®Google Scholar
• Flodgren , G. , Crenshaw , A. , Gref , M. and Fahlstrom , M. 2009 . Changes in interstitial noradrenaline, trapezius muscle activity and oxygen saturation during low-load work and recovery . European Journal of Applied Physiology , 107 ( 1 ) : 31 – 42 .
   PubMed Web of Science ®Google Scholar
• Fridlund , A. , Hatfield , M. , Cottam , G. and Fowler , S. 1986 . Anxiety and striate-muscle activation: evidence from electromyographic pattern analysis . Journal of Abnormal Psychology , 95 : 228 – 236 .
   PubMed Web of Science ®Google Scholar
• Garde , A. , Laursen , B. , Jørgensen , A. and Jensen , B. 2002 . Effects of mental and physical demands on heart rate variability during computer work . European journal of applied physiology , 87 ( 4–5 ) : 456
   PubMed Web of Science ®Google Scholar
• Gemmert , A. and Galen , G. 1997 . Stress, neuromotor noise, and human performance: a theoretical perspective . Journal of Experimental Psychology Human Perception and Performance , 23 : 1299 – 1313 .
   PubMed Web of Science ®Google Scholar
• Heiden , M. , Lyskov , E. , Djupsjöbacka , M. , Hellström , F. and Crenshaw , A. 2005 . Effects of time pressure and precision demands during computer mouse work on muscle oxygenation and position sense . European Journal of Applied Physiology , 94 ( 1 ) : 97 – 106 .
   PubMed Web of Science ®Google Scholar
• Hjortskov , N. , Rissen , D. , Blangsted , A.K. , Fallentin , N. , Lundberg , U. and Søgaard , K. 2004 . The effect of mental stress on heart rate variability and blood pressure during computer work . European Journal of Applied Physiology , 92 : 84 – 89 .
   PubMed Web of Science ®Google Scholar
• Jensen , B. , Krag , I. , BronÈe , L. and Crenshaw , A. 2008 . Tissue oxygenation and haemoglobin kinetics as a function of depth in two shoulder muscles differing in fibre-type composition . International Journal of Industrial Ergonomics, 40 (2), 135–139 ,
   Google Scholar
• Kalsbeek , J. and Ettema , J. 1963 . Scored regularity of the heart rate and the measurement of perceptual load . Ergonomics , 6 : 306
   Google Scholar
• Kell , R. and Bhambhani , Y. 2006 . Relationship between erector spinae static endurance and muscle oxygenation-blood volume changes in healthy and low back pain subjects . European Journal of Applied Physiology , 96 ( 3 ) : 241 – 248 .
   PubMed Web of Science ®Google Scholar
• Krantz , G. , Forsman , M. and Lundberg , U. 2004 . Consistency in physiological stress responses and electromyographic activity during induced stress exposure in women and men . Integrative physiological and behavioral science , 39 ( 2 ) : 105
   PubMed Web of Science ®Google Scholar
• Laursen , B. , Jensen , B.R. , Garde , A.H. and Jorgensen , A.H. 2002 . Effect of mental and physical demands on muscular activity during the use of a computer mouse and a keyboard . Scandinavian Journal of Work Environment and Health , 28 : 215 – 221 .
   PubMed Web of Science ®Google Scholar
• Leyman , E.L.C. , Mirka , G.A. , Kaber , D.B. and Sommerich , C.M. 2004 . Cervicobrachial muscle response to cognitive load in a dual-task scenario . Ergonomics , 47 ( 6 ) : 625 – 645 .
   PubMed Web of Science ®Google Scholar
• Lorist , M. , Kernell , D. , Meijman , T. and Zijdewind , I. 2002 . Motor fatigue and cognitive task performance in humans . The Journal of Physiology , 545 ( 1 ) : 313
   PubMed Web of Science ®Google Scholar
• Lundberg , U. 2002 . Psychophysiology of work: Stress, gender, endocrine response, and work-related upper extremities disorders . American Journal of Industrial Medicine , 41 : 383 – 392 .
   PubMed Web of Science ®Google Scholar
• Lundberg , U. , Forsman , M. , Zachau , G. , Ekloèf , M. , Palmerud , G. , Melin , B. and Kadefors , R. 2002 . Effects of experimentally induced mental and physical stress on motor unit recruitment in the trapezius muscle . Work & Stress , 16 ( 2 ) : 166 – 178 .
   Web of Science ®Google Scholar
• Lundberg , U , Kadefors , R. , Melin , B. , Palmerud , G. , Hassmen , P. , Engstrom , M. and Dohns , I.E. 1994 . Psychophysiological stress and EMG activity of the Trapezius muscle . International Journal of Behavioral Medicine , 1 ( 4 ) : 354 – 370 .
   PubMed Web of Science ®Google Scholar
• Lundberg , U. and Melin , B. 2002 . “ Stress in the development of musculoskeletal pain ” . 165 – 182 . Pain Research and Clinical Management, 12,
   Google Scholar
• Macdonell , C.W. and Keir , P.J. 2005 . Interfering effects of the task demands of grip force and mental processing on isometric shoulder strength and muscle activity . Ergonomics , 48 ( 15 ) : 1749 – 1769 .
   PubMed Web of Science ®Google Scholar
• Malik , M. , Bigger , J. , Camm , A. , Kleiger , R. , Malliani , A. , Moss , A. and Schwartz , P. 1996 . Task force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. Heart rate variability: standards of measurement, physiological interpretation, and clinical use . Circulation , 93 ( 5 ) : 1043
   PubMed Web of Science ®Google Scholar
• Marcora , S.M. , Staiano , W. and Manning , V. 2009 . Mental fatigue impairs physical performance in humans . Journal of Applied Physiology , 106 ( 3 ) : 857 – 864 .
   PubMed Web of Science ®Google Scholar
• Marras , W.S. , Davis , K.G. , Heaney , C.A. , Maronitis , A.B. and Allread , W.G. 2000 . The Influence of psychosocial stress, gender, and personality on mechanical loading of the lumbar spine . Spine , 25 ( 23 ) : 3045 – 3054 .
   PubMed Web of Science ®Google Scholar
• Martens , R. 1974 . “ Arousal and motor performance ” . In Exercise and sport science review , Edited by: Wilmore , J. 158 – 188 . New York : Academic Press .
   Google Scholar
• McGill , S.M. , Grenier , S. , Kavcic , N. and Cholewicki , J. 2003 . Coordination of muscle activity to assure stability of the lumbar spine . Journal of Electromyography and Kinesiology , 13 ( 4 ) : 353 – 359 . doi: 10.1016/s1050-6411(03)00043-9
   PubMed Web of Science ®Google Scholar
• McLean , L. and Quhart , N.U. 2002 . The influence of psychological stressors on myoelectrical signal activity in the shoulder region during a data entry task . Work & Stress , 16 ( 2 ) : 138 – 153 .
   Web of Science ®Google Scholar
• Mehta , R.K. and Agnew , M.J. 2011a . Effects of concurrent physical and mental demands for a short duration static task . International Journal of Industrial Ergonomics , 41 ( 5 ) : 488 – 493 .
   Web of Science ®Google Scholar
• Mehta , R.K. and Agnew , M.J. 2011b . Influence of mental workload on muscle endurance, fatigue, and recovery during intermittent static work . European Journal of Applied Physiology, , : 1 – 12 . doi: 10.1007/s00421-011-2264-x
   Google Scholar
• Mehta , R.K. and Agnew , M.J. 2012 . Effects of physical and mental demands on shoulder muscle fatigue . Work , 41 ( Suppl. 1 ) : 2897 – 2901 . doi: 10.3233/WOR-2012-0541-2897
   PubMedGoogle Scholar
• Mehta , R.K. and Agnew , M.J. In press . “ Exertion-dependent effects of physical and mental workload on physiological outcomes and task performance. IIE Transactions on Occupational Ergonomics and Human Factors ” . In E doi: 10.1080/21577323.2011.632488
   Google Scholar
• Melin , B. and Lundberg , U. 1997 . A biopsychosocial approach to work-stress and musculoskeletal disorders . Journal of Psychophysiology , 11 : 238 – 247 .
   Web of Science ®Google Scholar
• Meshkati , N. 1988 . “ Heart rate variability and mental workload assessment ” . In Human mental workload Edited by: Hancock , P.A. and Meshkati , N. North-Holland: Elsevier Science Publishers, 101–116
   Google Scholar
• Perotto , D. 1994 . Springfield, IL : Charles C. Thomas .
   Google Scholar
• Ranganathan , V. , Siemionow , V. , Sahgal , V. and Yue , G. 2001 . Effects of aging on hand function . Journal of the American Geriatrics Society , 49 ( 11 ) : 1478
   PubMed Web of Science ®Google Scholar
• Robinson , C.M. and Howes , J. 2006 . Functional outcome and risk of recurrent instability after primary traumatic anterior shoulder dislocation in young patients . Journal of Bone and Joint Surgery , 88 ( 11 ) : 2326 – 2336 .
   Web of Science ®Google Scholar
• Rowe , J. , Toni , I. , Josephs , O. , Frackowiak , R. and Passingham , R. 2000 . The prefrontal cortex: response selection or maintenance within working memory? . Science , 288 ( 5471 ) : 1656
   PubMed Web of Science ®Google Scholar
• Rudolph , K. , Axe , M. , Buchanan , T. , Scholz , J. and Snyder-Mackler , L. 2001 . Dynamic stability in the anterior cruciate ligament deficient knee . Knee Surgery, Sports Traumatology, Arthroscopy , 9 ( 2 ) : 62 – 71 .
   PubMed Web of Science ®Google Scholar
• Schleifer , L.M. , Spalding , T.W. , Kerick , S.E. , Cram , J.R. , Ley , R. and Hatfield , B.D. 2008 . Mental stress and trapezius muscle activation under psychomotor challenge: a focus on EMG gaps during computer work . Psychophysiology , 45 ( 3 ) : 356 – 365 .
   PubMed Web of Science ®Google Scholar
• Spengler , D. , Bigos , S. , Martin , N. , Zeh , J. , Fisher , L. and Nachemson , A. 1986 . Back injuries in industry: A retrospective study. I. Overview and cost . Spine , 11 : 241 – 245 .
   PubMed Web of Science ®Google Scholar
• van der Windt , D. , Thomas , E. , Pope , D. , de Winter , A. , Macfarlane , G. , Bouter , L. and Silman , A. 2000 . Occupational risk factors for shoulder pain: a systematic review . British Medical Journal , 57 ( 7 ) : 433
   Google Scholar
• Waersted , M. 2000 . Human muscle activity related to non-biomechanical factors in the workplace . European Journal of Applied Physiology , 83 : 151 – 158 .
   PubMed Web of Science ®Google Scholar
• Waersted , M. , Bjorklund , R.A. and Westgaard , R.H. 1991 . Shoulder muscle tension induced by two VDU-based tasks of different complexity . Ergonomics , 34 ( 2 ) : 137 – 150 .
   PubMed Web of Science ®Google Scholar
• Waersted , M. , Eken , T. and Westgaard , R.H. 1996 . Activity of single motor units in attention-demanding tasks: firing pattern in the human trapezius muscle . European Journal of Applied Physiology , 72 : 323 – 329 .
   PubMed Web of Science ®Google Scholar
• Waersted , M. and Westgaard , R.H. 1996 . Attention-related muscle activity in different body regions during VDU work with minimal physical activity . Ergonomics , 39 ( 4 ) : 661 – 676 .
   PubMed Web of Science ®Google Scholar
• Wahlström , J. , Hagberg , M. , Johnson , P. , Rempel , D. and Svensson , J. 2002 . Influence of time pressure and verbal provocation on physiological and psychological reactions during work with a computer mouse . European Journal of Applied Physiology , 87 : 257 – 263 .
   PubMed Web of Science ®Google Scholar
• Welford , A.T. 1973 . Stress and performance . Ergonomics , 16 ( 5 ) : 567 – 580 .
   PubMed Web of Science ®Google Scholar
• Westgaard , R.H. 1999 . Effects of physical and mental stressors on muscle pain . Scandinavian Journal of Work Environment and Health , 25 ( suppl. 4 ) : 19 – 24 .
   PubMedGoogle Scholar
• Yerkes , R.M. and Dodson , J.D. 1908 . The relation of strength of stimulus to rapidity of habit-formation . Journal of Comparative Neurology of Psychology , 18 : 459 – 482 .
   Google Scholar
• Yoon , T. , Keller , M.L. , De-Lap , B.S. , Harkins , A. , Lepers , R. and Hunter , S.K. 2009 . Sex differences in response to cognitive stress during a fatiguing contraction . Journal of Applied Physiology , 107 ( 5 ) : 1486
   PubMed Web of Science ®Google Scholar
• Zijdewind , I. , van Duinen , H. , Zielman , R. and Lorist , M. 2006 . Interaction between force production and cognitive performance in humans . Clinical Neurophysiology , 117 ( 3 ) : 660 – 667 .
   PubMed Web of Science ®Google Scholar