Analysis of Musculoskeletal Disorders and Muscle Stresses on Construction Workers’ Awkward Postures Using Simulation

Shraddha Palikhe, Mi Yirong, Byoung Yoon Choi and Dong-Eun Lee
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Shraddha Palikhe: Intelligent Construction Automation Center, Kyungpook National University, Daegu 41566, Korea
Mi Yirong: School of Architecture, Civil, Environment, and Energy Engineering, Kyungpook National University, Daegu 41566, Korea
Byoung Yoon Choi: School of Architecture, Civil, Environment, and Energy Engineering, Kyungpook National University, Daegu 41566, Korea
Dong-Eun Lee: School of Architecture, Civil, Environment, and Energy Engineering, Kyungpook National University, Daegu 41566, Korea

Sustainability, 2020, vol. 12, issue 14, 1-13

Abstract: The negligence involved in musculoskeletal disorder (MSD) at construction sites results in high rates of muscle injuries. This paper presents findings identified by the MSD for each part of a worker’s body, categorizing the awkward postures of each body part, estimating muscle stresses, and establishing the benchmark using anthropometry and hand force data. MSDs and their corresponding frequencies were identified by administering the Nordic Musculoskeletal Questionnaire (NMQ) survey, which solicits responses regarding construction workers’ awkward postures. Musculoskeletal stresses were estimated using three-dimensional static strength prediction program (3D SSPP) biomechanical software. The new benchmarks were established for existing preventive measures using the anthropometry and hand force data. Workers suffering from different body muscle pains in awkward postures may be predicted using the compression forces magnitude, strength capability, and body balance. The model was verified by comparing its outputs with the survey analysis results. The study is of value to practitioners because it provided a means to understand the contemporary scenario of MSD and to establish a practical benchmark based on the physical capability of workers. It is relevant to researchers because it digitally predicts MSD and facilitates experimentation with different dimensions, thereby contributing to construction productivity improvement. Test cases validate the prediction method.

Keywords: musculoskeletal disorders; construction workers; muscle stress; standard Nordic questionnaire; awkward posture; simulation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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