AI Article Synopsis
- Hand grip placement relative to an object's center of mass significantly affects muscle activity in the trunk and arms.
- Aligning the grip with the center of mass minimizes muscle use, while the effort required for different grip styles varies based on specific muscles.
- Design features like handles play a crucial role in reducing physical strain, enhancing usability, and decreasing the risk of musculoskeletal injuries in manual handling tasks.
Article Abstract
OCCUPATIONAL APPLICATIONSHand grip location relative to the center of mass of an object can impact the activity of trunk and upper limb muscles. Aligning the hand grip location with the center of mass in the anterior/posterior direction minimizes muscle activity. Whether a proximal or distal grip requires more effort appears to be muscle dependent. Our work illustrates how design features influencing hand grip and center of mass location, such as handles and hand-operated mechanisms, can impact the user. Reducing physical effort design is important to improve usability and help mitigate the high incidence of musculoskeletal injury resulting from manual materials handling tasks.
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| http://dx.doi.org/10.1080/24725838.2024.2402697 | DOI Listing |
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