Background and Objective: Most of employees in the developing countries are exposed to musculoskeletal disorders (MSDs) due to performing repetitive manual activities. The aim of this study was to evaluate the risk factors of musculoskeletal disorders by HAL-TLV, SI and OCRA methods and comparison with others. Materials and Methods: This was a descriptive study conducted on 147 workers...

Background and Objectives: Upper extremities are very vulnerable to work-related musculoskeletal disorders and selecting the best technique for assessing their exposure to ergonomic risk factors is of pivotal importance. This study aimed to compare two techniques of SI and ACGIH-HAL and assess their relationship with carpal tunnel syndrome (CTS) among butchers. Methods: The study population wa...

Introduction: Repetitive movements and overexertion during occupational activities can lead to musculoskeletal disorders in the upper limbs. The aim of this study was to assess the ergonomic risk factors of the upper limb extremities using modified strain index (RSI) and threshold limit value for hand activity level (TLV-HAL) methods in hand-swen shoe workers in Tabriz city. Methods: The ergon...