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ASSESSMENT OF ENERGY EXPENDITURE IN WORKERS IN THE AUTOMOTIVE INDUSTRY

3 rd International Conference and Exhibition on Occupational Health & Safety June 24-25, 2014 Valencia Conference Centre, Valencia, Spain. ASSESSMENT OF ENERGY EXPENDITURE IN WORKERS IN THE AUTOMOTIVE INDUSTRY. ______________________________________________________

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ASSESSMENT OF ENERGY EXPENDITURE IN WORKERS IN THE AUTOMOTIVE INDUSTRY

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  1. 3rd International Conference and Exhibition on Occupational Health & Safety June 24-25, 2014 Valencia Conference Centre, Valencia, Spain ASSESSMENT OF ENERGY EXPENDITURE IN WORKERS IN THE AUTOMOTIVE INDUSTRY ______________________________________________________ Dr. Michaela MACHAJOVÁ, Bc.Monika THÓTOVÁ Trnava University Faculty of Health Sciences and Social Work Department of Public Health Trnava, Slovakia

  2. Objectives The main objective To assessenergy expenditure ofworkers during work shift in automobile industry Theintermediate objectives • To measure heart rate and energyconsumption of workers by measurement device Polar RS 400 • To compare the results with thelegalregulations of Slovak Republic • To find out the difference in levels of energy expenditure between individual work positions • Determine energy expenditure by usingindex method by Borsky and compare results againstmeasured values • Key words: heart rate, energy expenditure, time frame, work load

  3. Methods • Hallofcoating • September – December 2013 • 5 workpositions, 20 workers Selectionofsubjects • Inclusion criteria • Exclusion criteria Datacollection • Face to face questionnaire • Observation • Stalking • Instrumentalmethod /Polar RS 400/ Calculationofenergeticexpenditure • Harris – Benedict equation • Valuesof index method by Borsky } Timeframe

  4. PolarProTrainer 5 Break HR min HR max 30 min 72 bpm 130 bpm

  5. Results – heart rate Table 1 Increase in heart rate and comparison with the permissiblevalues ​​and work positionof employees in the age group 30-39 y.

  6. Results – energyexpenditure Table 2 Comparison of observed and permissiblevalues ​​of energyexpenditure of employees in the age group 30-39 y.

  7. Results – comparisonofworkpositions Table 3 Comparison of energyexpenditure duringtheworkbetween work positions

  8. Results – timeframe Table 4 Timeframe and workenergyexpenditure -sealingleft/rightsideofthefloor Note: 1Category by Borsky: A - posture, B - movement (walking), C – amountofmusculareffort and degreeofload; 2energy expenditure; 3included waitingforcar body, failure, extra breaks

  9. Results –Polar RS 400/Borsky Graph 1 Comparisonofworkenergyexpenditure by Polar RS 400 and index method by Borsky – sealingofleft/rightsideofthefloor

  10. Results – Polar RS 400/Borsky Table 5 Comparison of energyexpenditure acquired byPolar RS 400 and index method byBorsky

  11. Limitations • Smallfocusgroupofworkers • Smoking • Body disproportion • High- frequencyequipmentnearthemeasurement device

  12. Conclusion • Increase of heart rate • 8 workers /2 x only average value was exceeded/ • 3 x sealing of engine compartment • Energetic expenditure • 4 workers /3 x heart rate was exceeded/ • 2 x sealing of left/right side of the floor • Comparison - work position • Difference was not confirmed • Comparison - Polar RS 400/Borsky • Difference was not confirmed

  13. Thankyou foryourattention! mmachajova@gmail.com

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