Association Between Neck and Wrist Pain with Hand Grip Strength and Demographic Factors Among Workers of a Petroleum Products Distribution Company in Sabzevar City
Abstract
Background: The prevalence of neck and wrist pain is mainly related to ergonomic risk factors, affecting the work ability of petroleum workers. This study aimed to analyze the association between neck and wrist/hand pain with hand grip strength and to investigate the effects of factors (age, work experience, BMI, neck and wrist/hand pain, anthropometric dimensions of the hand) on hand grip strength among workers.
Methods: A cross-sectional study was conducted in a petroleum products distribution company among 180 workers. The Standardized Nordic Questionnaire was used to evaluate existing neck and wrist/hand pain. The anthropometric factors of the hand were measured directly using a tape measure. Hand grip strength was measured using a SAEHAN SH® 5001 hydraulic handheld dynamometer; the SAEHAN Hydraulic Pinch Gauge (SH5005) was used for pinch grip strength. Statistical analysis tests including the Chi-square test, Independent T-test, Pearson correlation coefficient, One-way analysis of variance, and linear regressions were carried out using SPSS version 26. The level of significance was set at P ≤ 0.05.
Results: The results of the study showed that the prevalence of neck pain and hand/wrist pain among workers was 39.44% and 27.22%, respectively. The average grip and pinch strength of the dominant hand was lower in workers who had neck pain than in those who did not have neck pain, but the difference was not significant. There was a significant difference between hand length and hand width in relation to hand grip strength (HGS) and pinch grip strength (PGS). There was no significant relationship between hand grip strength and the variables of BMI and work experience. Linear regression analysis showed that hand length and hand width explained 14.5% of the variance in hand grip strength (F(2, 176) = 14.885, p = .000, R² = 0.145).
Conclusion: The findings showed that there was no substantial link between neck and wrist/hand pain and the strength of hand grip and pinch grip. However, larger hand length and width were significantly correlated with stronger hand grip strength.
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Issue | Vol 16 No 4 (2024) | |
Section | Original Article(s) | |
Published | 2025-08-30 | |
Keywords | ||
Manual handling Hand Grip Strength Musculoskeletal disorders Neck Pain Wrist Pain |
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