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The relationship between heart rate as an indicator of work hardness and results of dynamometry.
MedLine Citation:
PMID:  22317650     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Heart rate is associated with work hardness and increase linearly with its increasing. In the average of energy consumption, heart rate measurement is simple but non-accurate method for calculation of work hardness. Our purpose in this research was to evaluate the relationship between heart rate and dynamometry results with hypothesis of work hardness effectiveness on the human power. This study was conducted on 102 porcelain workers. Participants were selected randomly. The research tools include stethoscope, the dynamometer. Heart rate, and pinch, grip, and back-leg-chest force were measured and relationships between variables were analyzed with Pearson correlation test and independent T-test using Spss16 software. The average heart rate of participants were 4.11±1.79 with minimum 60 and maximum120. The average force of pinch, grip, and back-leg-chest were 8.9±3.20, 4.2±4.5 and 9.36±6.55, respectively. Work hardness for 3.86% of workers were light, 7.12% were moderate and 1% were heavy. Pinch, grip, and back-leg-chest force relation with heart rate were not significant (r=0.01, p=0.85), (r=-0.03, p=0.74), and (r=0.05, p= 0.59), respectively. There was no correlation between heart rate and work hardness. So we can't use the dynamometry results to determine of work hardness.
Authors:
Nasrin Sadeghi; Hamidreza Tolide-Ie; Fatemeh Ghaderi
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Work (Reading, Mass.)     Volume:  41     ISSN:  1875-9270     ISO Abbreviation:  Work     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-02-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9204382     Medline TA:  Work     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  5677-80     Citation Subset:  IM    
Affiliation:
Instructor, Department of Occupational hygiene, Gonabad University of Medical Sciences, Gonabad, IRAN.
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