CORRELATION BETWEEN WORKING POSTURE AND CORE STRENGTH IN LABORERS WORKING IN MECHANICAL INDUSTRIES- A CROSS-SECTIONAL STUDY
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Abstract
BACKGROUND: Work-related musculoskeletal disorders (MSDs) are highly prevalent in manual labor sectors and significantly affect workers' health and productivity. Poor working postures, particularly in mechanical industries, are a major contributing factor to MSDs. Core strength is essential for maintaining spinal stability and preventing musculoskeletal injuries.
OBJECTIVE: To examine the correlation between working posture and core strength in laborers working in mechanical industries.
MATERIALS & METHODS: A cross-sectional study was conducted on 100 laborers aged 20–50 years employed in mechanical industries. Working posture was assessed using the Rapid Entire Body Assessment (REBA) scale, while core strength was measured using the Modified Sphygmomanometer Test (MST). Pearson correlation was used to analyze the relationship between REBA scores and MST scores.
RESULTS: Most participants (68%) were categorized as having a medium risk for MSDs based on REBA scores. Additionally, 62% of the subjects showed decreased core strength, with MST scores below 40 mmHg. A moderate negative correlation (r = -0.6957, p < 0.00001) was observed between REBA and MST scores, indicating that poor working posture is associated with reduced core strength.
CONCLUSION: Laborers in mechanical industries are at moderate risk of developing MSDs due to poor working postures, which correlate with diminished core strength. These findings emphasize the importance of ergonomic interventions and core strengthening programs to reduce MSD risk and enhance worker health and productivity.
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