Effects of anti-fatigue lenses on performance, muscle activity and subjective discomfort responses during a seated computer task

被引：1

作者：

Lamanuzzi, Samuel ^{[1
]}

Gill, Genevieve ^{[1
]}

Yoon, SangHoon ^{[1
]}

Renda, Erika ^{[1
]}

Cote, Julie N. ^{[1
]}

机构：

[1] McGill Univ, Dept Kinesiol & Phys Educ, Montreal, PQ, Canada

来源：

APPLIED ERGONOMICS | 2023年 / 109卷

关键词：

Musculoskeletal discomfort; Electromyography; Kinematics; MUSCULOSKELETAL DISORDERS; TRAPEZIUS MUSCLE; RISK-FACTORS; WORK; SYMPTOMS; ACCOMMODATION; DIFFERENCE; STUDENTS; VISION; USERS;

D O I：

10.1016/j.apergo.2023.103964

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Anti-fatigue lenses (AFL) intend to provide health benefits in association with computer work. Their effects on visual and muscle discomfort mechanisms and task performance remain unclear. Twenty-three computer users (n = 12 males) underwent two 90-min computer sessions with AFL or placebo lenses. Eye strain, body discomfort, typing performance, upper trapezius (UT) activation amplitude and variability, and neck posture were analyzed for time, condition, and sex effects. No significant effects of condition were observed on the dependent measures evaluated. Discomfort increased over time (neck/shoulder: p < .001), more so in females (eye strain: p < .001). Females' UT activation amplitude was negatively correlated to eye strain in the placebo condition (p = .05).

引用

页数：6

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