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The effect of pinch span on pinch force sense in healthy participants
Attention, Perception, & Psychophysics ( IF 1.7 ) Pub Date : 2022-07-06 , DOI: 10.3758/s13414-022-02534-y
Lin Li, Yan-xia Li, Chong-long Zhang, Dong-hai Zhang

The purpose of the current investigation was to evaluate the effect of pinch span on the perception of pinch force in typical participants. The healthy participants (10 males and 10 females) conducted an ipsilateral force reproduction test with three distinct pinch spans (2, 4, and 6 cm) at three distinct forces of 10%, 30%, and 50% maximum voluntary isometric contraction. The findings revealed a significantly greater consistency (lower variable error (VE)) of 4 cm compared with 2 and 6 cm pinch spans. Our study also showed that the participants might use a larger force (more overestimated) output for larger pinch spans (4 and 6 cm) than small pinch spans (2 cm). These results may offer significant insights into the higher rates of musculoskeletal disorders among females, enabling researchers and clinicians to design novel interventions and tools to improve pinch force perception and reduce hand injury rates in males and females.



中文翻译:

捏跨度对健康参与者捏力感的影响

当前调查的目的是评估捏跨度对典型参与者的捏力感知的影响。健康参与者(10 名男性和 10 名女性)在 10%、30% 和 50% 最大自愿等长收缩的三种不同力下进行了具有三个不同捏跨度(2、4 和 6 厘米)的同侧力再现测试。研究结果显示,与 2 和 6 厘米的捏跨度相比,4 厘米的一致性显着更高(变量误差 (VE) 更低)。我们的研究还表明,对于较大的夹点跨度(4 和 6 厘米),参与者可能会比较小的夹点跨度(2 厘米)使用更大的力(更被高估)输出。这些结果可能为女性肌肉骨骼疾病的高发病率提供重要的见解,

更新日期:2022-07-07
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