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Int J Occup Saf Ergon. 2015;21(2):187-92. doi: 10.1080/10803548.2015.1029726.

The relationship between hand anthropometrics, total grip strength and individual finger force for various handle shapes.

Author information

1
a Sungkyunkwan University , South Korea.

Abstract

The design and shape of hand tool handles are critical factors for preventing musculoskeletal disorders (MSDs) caused by the use of hand tools. We explored how these factors are related to total force and individual finger force in males and females with various hand anthropometrics. Using the MFFM system, we assessed four indices of anthropometry, and measured total force and individual finger force on various handle designs and shapes. Both total force and individual finger force were significant according to gender and handle shape. Total grip strength to the handle shape indicated the greatest strength with D shape and the least with A shape. From the regression analysis of hand anthropometric indices, the value of R was respectably high at 0.608-0.696. The current study examined the gender and handle shape factors affecting grip strength based on the force measurements from various handle types, in terms of influence on different hand anthropometric indices.

KEYWORDS:

MFFM system; finger force; grip strength; hand tools; handle shapes

PMID:
26323777
DOI:
10.1080/10803548.2015.1029726
[Indexed for MEDLINE]

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