Physical workload, perceived exertion, and output of cut wood as related to age in motor-manual cutting

References

• ÅSTRAND , I. 1960 , Aerobic work capacity in men and women with special references to age , Acta Physiologica Scandinavia , 49 , suppl. 169 .
   Google Scholar
• ÅSTRAND , I. 1967 , Degree of strain during building work as related to individual aerobic work capacity , Ergonomics , 10 , 293 – 303 .
   PubMed Web of Science ®Google Scholar
• ÅSTRAND , I. 1988 , Physical demands in work life , Scandinavian Journal of Work Environment and Health , 14 , suppl. 1 , 10 – 13 .
   PubMedGoogle Scholar
• ÅSTRAND, P— O. and RODAHL , K. 1988 , Textbook of Work Physiology Physiological Bases for Exercise , 3rd edn. ( McGraw—Hill , New York ).
   Google Scholar
• BORG , G. 1970 , Perceived exertion as an indicator of somatic stress , Scandinavian Journal of Rehabilitation Medicine , 2 , 92 – 98 .
   PubMedGoogle Scholar
• GAMBERALE , F. 1972 , Perceived exertion, heart rate, oxygen uptake, and blood lactate in different work operations , Ergonomics , 15 , 545 – 554 .
   PubMed Web of Science ®Google Scholar
• HAGEN , K.. B. 1990 , Biomechanical analysis of spinal load in motor—manual cutting , Journal of Forest Engineering , 2 , 39 – 41 .
   Google Scholar
• HANSSON , J.—E. 1965 , The relationship between individual characteristics of the worker and output of work in logging operations , Studia Forest. Suecia , 29.
   Google Scholar
• HARRISON , M. , BROWN , G. A. and BELYAVTN , A. J. 1982 , The 'oxylog' an evalution , Ergonomics , 25 , 809 – 820 .
   PubMed Web of Science ®Google Scholar
• ILMARINEN , J. and RUTENFRANZ , J. 1980 , Occupational induced stress, strain and peak loads as related to age , Scandinavian Journal of Work Environment and Health , 6 , 274 – 282 .
   PubMed Web of Science ®Google Scholar
• KUKKONEN—HARJULA , K. and RAURAMAA , R. 1984 , Oxygen consumption of lumberjacks in logging with a powersaw , Ergonomics , 27 , 59 – 65 .
   PubMed Web of Science ®Google Scholar
• LANGE ANDERSEN , K. , SHEPARD , R. J. , DENOLIN , H. , VARNAUSKAS , E. and MASIRONI , R. 1971 , Fundamentals of Exercise Testing ( WHO , Geneva ).
   Google Scholar
• LANGE ANDERSEN , K. , MASIRONI , R. , RUTENFRANZ , J. and SEUGER , V. 1978 , Habitual Physichal Activity , WHO Regional Publications European Series No. 6 ( WHO , Copenhagen ).
   Google Scholar
• LOUHEVAARA , V. , ILMARINEN , J. and OJA , P. 1985 , Comparison of three fields methods for measuring oxygen consumption , Ergonomics. 28 , 463 – 470 .
   PubMed Web of Science ®Google Scholar
• LUNDGREN , N. and ZOTTERMAN , Y. 1943 , Energiomsättningen under Skogsarbete , Studier i Skogbrukets Arbetsldra , I ( Industriens Utredningsinstitutt , Stockholm ), 155 – 162 .
   Google Scholar
• PETROFSKY , J. S. and LIND , A. R. 1978 , Metabolic, cardiovascular, and respiratory factors in the development of fatigue in lifting tasks , Journal of Applied Physiology Respiratory, Environmental, and Exercise Physiology , 45 , 4 – 68 .
   Google Scholar
• RODAHL , K. , VOKAC , Z. , FUGELLI , P. and MAEHLUM , S. 1974 , Circulatory strain, estimated output, and catecholamine exertion in Norwegian coastal fishermen , Ergonomics , 17 , 585 – 602 .
   PubMed Web of Science ®Google Scholar
• SAMSET , I. , STRØMNES , R. and Vnc , T. 1969 , HogstundersØkelser i norsk gran— og furuskog , Meddelelser fra Det Norske SkogforsØksvesen , 26 , 508 – 519 .
   Google Scholar