مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

EFFECTS OF BOX SIZE, FREQUENCY OF LIFTING, AND HEIGHT OF LIFT ON MAXIMUM ACCEPTABLE WEIGHT OF LIFT AND HEART RATE FOR MALE UNIVERSITY STUDENTS IN IRAN

Pages

  1365-1371

Abstract

 Introduction: In spite of the widespread use of automation in industry, manual material handling (MMH) is still performed in many occupational settings. The emphasis on ergonomics in MMH tasks is due to the potential risks of workplace accidents and injuries. This study aimed to assess the effect of box size, frequency of lift, and height of lift on maximum acceptable weight of lift (MAWL) on the HEART RATEs of male university students in Iran.Methods: This experimental study was conducted in 2015 with 15 male students recruited from Tehran University of Medical Sciences. Each participant performed 18 different lifting tasks that involved three lifting frequencies (1lift/min, 4.3 lifts/min and 6.67 lifts/min), three lifting heights (floor to knuckle, knuckle to shoulder, and shoulder to arm reach), and two box sizes. Each set of experiments was conducted during the 20 min work period using the free-style lifting technique. The working HEART RATEs (WHR) were recorded for the entire duration. In this study, we used SPSS version 18 software and descriptive statistical methods, analysis of variance (ANOVA), and the t-test for data analysis.Results: The results of the ANOVA showed that there was a significant difference between the mean of MAWL in terms of frequencies of lifts (p = 0.02). Tukey's post hoc test indicated that there was a significant difference between the frequencies of 1 lift/minute and 6.67 lifts/minute (p = 0. 01). There was a significant difference between the mean HEART RATEs in terms of frequencies of lifts (p = 0.006), and Tukey's post hoc test indicated a significant difference between the frequencies of 1 lift/minute and 6.67 lifts/minute (p = 0.004). But, there was no significant difference between the mean of MAWL and the mean HEART RATE in terms of lifting heights (p > 0.05). The results of the t-test showed that there was a significant difference between the mean of MAWL and the mean HEART RATE in terms of the sizes of the two boxes (p = 0.000).Conclusion: Based on the results of this study, it was concluded that MAWL and HEART RATE are influenced by the variables of lifting frequency and the size of the boxes.

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    APA: Copy

    SALEHI SAHL ABADI, ALI, MAZLOUMI, ADEL, NASL SARAJI, GEBRAEIL, ZERAATI, HOJJAT, HADIAN, MOHAMMAD REZA, & JAFARI, AMIR HOMAYOON. (2015). EFFECTS OF BOX SIZE, FREQUENCY OF LIFTING, AND HEIGHT OF LIFT ON MAXIMUM ACCEPTABLE WEIGHT OF LIFT AND HEART RATE FOR MALE UNIVERSITY STUDENTS IN IRAN. ELECTRONIC PHYSICIAN, 7(6), 1365-1371. SID. https://sid.ir/paper/345375/en

    Vancouver: Copy

    SALEHI SAHL ABADI ALI, MAZLOUMI ADEL, NASL SARAJI GEBRAEIL, ZERAATI HOJJAT, HADIAN MOHAMMAD REZA, JAFARI AMIR HOMAYOON. EFFECTS OF BOX SIZE, FREQUENCY OF LIFTING, AND HEIGHT OF LIFT ON MAXIMUM ACCEPTABLE WEIGHT OF LIFT AND HEART RATE FOR MALE UNIVERSITY STUDENTS IN IRAN. ELECTRONIC PHYSICIAN[Internet]. 2015;7(6):1365-1371. Available from: https://sid.ir/paper/345375/en

    IEEE: Copy

    ALI SALEHI SAHL ABADI, ADEL MAZLOUMI, GEBRAEIL NASL SARAJI, HOJJAT ZERAATI, MOHAMMAD REZA HADIAN, and AMIR HOMAYOON JAFARI, “EFFECTS OF BOX SIZE, FREQUENCY OF LIFTING, AND HEIGHT OF LIFT ON MAXIMUM ACCEPTABLE WEIGHT OF LIFT AND HEART RATE FOR MALE UNIVERSITY STUDENTS IN IRAN,” ELECTRONIC PHYSICIAN, vol. 7, no. 6, pp. 1365–1371, 2015, [Online]. Available: https://sid.ir/paper/345375/en

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