Effects of postural loading during static posture holding on concurrent executive function task performance

IF 3.1 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

Applied Ergonomics Pub Date : 2025-03-12 DOI:10.1016/j.apergo.2025.104501

Yihun Jeong , Haeseok Jeong , Doo Won Han , Philjun Moon , Woojin Park

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引用次数: 0

Abstract

This study investigated the effects of postural loading during static posture holding on the performance of concurrent executive function tasks. Three executive function tasks, the letter memory, number-letter, and Stroop tasks, were employed for updating, shifting, and inhibition, respectively. Static posture holding involved three levels of postural loading (PL1, PL2, and PL3), corresponding to OWAS classes 1, 2, and 4, respectively. Increased postural loading resulted in decreased performance across tasks. At PL2 and PL3, compared to PL1, total score in the letter memory task decreased by 4.56% and 13.68%, switch trial reaction time in the number-letter task increased by 1.47% and 15.63%, and incongruent trial reaction time in the Stroop task increased by 4.15% and 13.44%. These findings contribute to a more comprehensive understanding of the relationship between postural loading and executive functions, and offer valuable insights into how managing postural demands may enhance cognitive task performance.

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来源期刊

Applied Ergonomics 工程技术-工程：工业

CiteScore

7.50

自引率

9.40%

发文量

248

审稿时长

53 days

期刊介绍： Applied Ergonomics is aimed at ergonomists and all those interested in applying ergonomics/human factors in the design, planning and management of technical and social systems at work or leisure. Readership is truly international with subscribers in over 50 countries. Professionals for whom Applied Ergonomics is of interest include: ergonomists, designers, industrial engineers, health and safety specialists, systems engineers, design engineers, organizational psychologists, occupational health specialists and human-computer interaction specialists.