#9511. Effects of two grip force levels and forearm postures on hand-arm transmitted vibration and physiological responses

September 2026publication date
Proposal available till 11-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Human Factors and Ergonomics;
Applied Psychology;
Behavioral Neuroscience;
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Abstract:
Vibration transmitted to the upper limb is the primary source of occupational musculoskeletal disorder. Transmissibility is not just caused by vibration magnitude but is also directly influenced by the applied force and posture. This study investigated the effects of two forearm postures and grip force levels, when using dual-handle guided equipment, on hand-arm transmitted vibration and physiological responses. Sixteen young male adults were recruited. Pre-task and post-task assessments including grip strength and perceived discomfort were measured. The task was to hold a vibrating handlebar for 5 -min under four randomly sequenced conditions: N/PM/H—neutral/pronated forearm and mild/hard grip. Transmissibility and forearm muscle activities were recorded during each task.
Keywords:
forearm muscle activity; forearm posture; grip force level; hand-arm transmitted vibration; hand-arm vibration

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