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个体因素决定了休息状态和疲劳状态下啦啦队队员的落地冲击力。

Individual factors determine landing impacts in rested and fatigued cheerleaders.

作者信息

Müller Andreas, Rockenfeller Robert, Aiyangar Ameet K

机构信息

Institute for Medical Engineering and Information Processing (MTI Mittelrhein), University of Koblenz, Koblenz, Germany.

Mechanical Systems Engineering, Swiss Federal Laboratories for Materials Science and Technology (EMPA), Duebendorf, Switzerland.

出版信息

Front Sports Act Living. 2024 Aug 13;6:1419783. doi: 10.3389/fspor.2024.1419783. eCollection 2024.

DOI:10.3389/fspor.2024.1419783
PMID:39193490
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11347287/
Abstract

High vertical ground reaction forces (VGRF) during landings following acrobatic elements in artistic gymnastics is associated with trunk and lower extremity injury risk. As similar data regarding injury risk factors in cheerleading are scarce, the purpose of this study was to assess VGRF in pop-off dismounts of rested and fatigued flyers in cheerleaders. Fifteen German cheerleaders were recruited for this study, including seven female flyers and eight male bases. It was expected that performance would change in fatiguing athletes, potentially increasing the risk for injuries. However, neither the mean VGRF (rested:  BW, fatigued:  BW, overall range: 2.1-14.9 BW) nor the individual VGRF-time courses of the flyers changed significantly after the workout. Instead, we show that the flyers' ability to land - but not the bases' ability to catch - significantly influences the maximum and time-resolved impacts.

摘要

艺术体操中技巧动作落地时的高垂直地面反作用力（VGRF）与躯干和下肢受伤风险相关。由于关于啦啦队受伤风险因素的类似数据稀缺，本研究的目的是评估啦啦队中休息和疲劳的托举队员在抛接下法动作时的VGRF。本研究招募了15名德国啦啦队员，包括7名女性托举队员和8名男性底座队员。预计疲劳运动员的表现会发生变化，可能会增加受伤风险。然而，锻炼后托举队员的平均VGRF（休息时： 体重，疲劳时： 体重，总体范围：2.1-14.9倍体重）和个体VGRF-时间曲线均未发生显著变化。相反，我们发现托举队员的落地能力——而非底座队员的接住能力——对最大冲击力和时间分辨冲击力有显著影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/c3a5e14b9b80/fspor-06-1419783-i004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/41fb5d650e07/fspor-06-1419783-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/748d45b6e5b3/fspor-06-1419783-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/6cab4745204a/fspor-06-1419783-g007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/41fb5d650e07/fspor-06-1419783-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/24f5b5a287bd/fspor-06-1419783-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/8cbe647243e2/fspor-06-1419783-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/3522b1c50721/fspor-06-1419783-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/d76bae0570c9/fspor-06-1419783-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/748d45b6e5b3/fspor-06-1419783-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/6cab4745204a/fspor-06-1419783-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/d1917ba0a63f/fspor-06-1419783-i001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/ef7d44fe859c/fspor-06-1419783-i002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/ee8fcde3ea2b/fspor-06-1419783-i003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b055/11347287/c3a5e14b9b80/fspor-06-1419783-i004.jpg

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