Effect of different postures and loads on joint motion and muscle activity in older adults during overhead retrieval
Chengmin Zhou, Xue Xu, Ting Huang, Jake Kaner · 2024
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Description
Chengmin Zhou, Xue Xu, Ting Huang, and Jake Kaner present a study published in 2023 on how older adults reach into high cabinets. Reaching overhead can trigger arm and back pain, and cabinet design rarely accounts for aging bodies. The team recorded muscle activity and joint motion as seniors retrieved objects under different postures and loads.
The biceps worked hardest on the door side, while the shoulder muscle took over with heavy objects. Shoulder muscle effort fell past a ninety-degree arm angle even as biceps effort rose. Heavier loads stressed the shoulder most. Alternating hands was the kindest posture. Age mattered most overall, then height. The findings feed back into safer hanging cabinet design for older users.
Catalog record
| CREATOR | Chengmin Zhou, Xue Xu, Ting Huang, Jake Kaner |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 82 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |