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0319 Biomechanical Comparison of Lumbar Risk Assessment in Manual Material Handling Work
  1. Kyoosang Kim1,
  2. Dongkyeong Lee2,
  3. Day Sung Kim3
  1. 1Seoul Medical Center, Seoul, Republic of Korea
  2. 2Occpational Safety and Health Training Institute, Korea Occupational Safety and Health Agency, Incheon, Republic of Korea
  3. 3Occpational Safety and Health Research Institute, Korea Occupational Safety and Health Agency, Incheon, Republic of Korea

Abstract

Objectives In this study, lifting index (LI) by NIOSH lifting equation (NLE) and biomechanical load by lumbar motion monitor (LMM) were determined to assess low-back disorder (LBD) risk associated with manual material handling (MMH) task in manufacturing workers.

Method Thirty-five (28 male and 7 female) workers in 13 MMH processes in 6 manufacturing companies were investigated. For each worker, LMM measurement and video recording were done simultaneously for 30 min, and LBD risk probability and LI based on recommended weight limit (RWL) were calculated using NLE.

Results Biomechanical load assessment related with lumbar risk assessment in MMH workers enabled us to identify risks by task characteristics. However, degree of risk of tasks appeared different by assessment tool.

Conclusions Application of assessment tools suitable to work situation is needed. There may be also problems arising from application of foreign assessment tools to Korean workers, and future studies are warranted.

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