有症状髌骨肌腱病(PT)与无症状髌骨肌腱病(UPT)运动员落地时下肢关节能量耗散策略的差异

Q4 Biochemistry, Genetics and Molecular Biology
Datao Xu, Zhenghui Lu, Siqin Shen, G. Fekete, U. Ugbolue, Yaodong Gu
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引用次数: 10

摘要

髌骨肌腱病是髌骨肌腱的临床症状,以膝关节前部局部疼痛为特征。这在篮球和排球运动员中很常见。与健康人相比,髌骨肌腱病变患者在着陆过程中可能表现出不同的着陆策略。本研究的目的是比较有症状的髌腱病(PT)运动员和无髌腱病(UPT)运动员在单腿着地时下肢关节能量耗散(偏心功)值的差异。收集了26名(PT: 13, UPT:13)半职业男子篮球和排球运动员在落地阶段的动力学数据。关节功由关节功随时间的积分来计算。本研究结果显示,PT的踝关节平均能量耗散(p < 0.001)和总能量耗散(p < 0.001)显著大于UPT。与UPT运动员相比,PT运动员在落地时膝关节平均能量耗散(p = 0.002)和对总能量耗散的贡献(p < 0.001)更小。髋关节对总能量耗散的贡献(p = 0.523)和下肢总能量耗散的贡献(p = 0.127)差异无统计学意义。更深入地了解每个关节在着陆过程中UPT和PT之间的能量耗散贡献比,可以为揭示PT运动员着陆的生物力学机制提供线索。进一步的研究应选择更大的样本量,以更全面地揭示PT在着陆过程中的能量耗散策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Differences in Lower Extremity Joints Energy Dissipation Strategy during Landing between Athletes with Symptomatic Patellar Tendinopathy (PT) and without Patellar Tendinopathy (UPT)
Patellar tendinopathy is a clinical symptom of patellar tendons characterized by local pain in the front of the knee joint. It is common among basketball and volleyball players. Patients with patellar tendinopathy may exhibit different landing strategies during landing compared to healthy individuals. The purpose of this study was to compare the differences in lower limb joint energy dissipation (eccentric work) values for the symptomatic patellar tendinopathy (PT) athletes and no patellar tendinopathy (UPT) athletes during single-leg landing. A total of 26 (PT: 13, UPT:13) semi-professional male basketball and volleyball player’s kinetic data were collected during the landing phases. Joint work was calculated by the integral of joint power over time. In this study, the result showed that the ankle joint means energy dissipation (p < 0.001) and total energy dissipation (p < 0.001) of PT were significantly greater than UPT. Compared to the UPT athletes, the PT athletes showed smaller knee joint mean energy dissipation (p = 0.002) and contribution to total energy dissipation (p < 0.001) during the landing stance. Meanwhile, there were no differences in hip joint contribution to total energy dissipation (p = 0.523) and lower limb total energy dissipation (p = 0.127). A deeper understanding of each joint’s energy dissipation contribution ratio between UPT and PT during landing can provide clues that reveal the biomechanical mechanism of PT athletes landing. Further study should choose a larger sample size to more comprehensively reveal the energy dissipation strategy of PT during landing.
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来源期刊
Molecular & Cellular Biomechanics
Molecular & Cellular Biomechanics CELL BIOLOGYENGINEERING, BIOMEDICAL&-ENGINEERING, BIOMEDICAL
CiteScore
1.70
自引率
0.00%
发文量
21
期刊介绍: The field of biomechanics concerns with motion, deformation, and forces in biological systems. With the explosive progress in molecular biology, genomic engineering, bioimaging, and nanotechnology, there will be an ever-increasing generation of knowledge and information concerning the mechanobiology of genes, proteins, cells, tissues, and organs. Such information will bring new diagnostic tools, new therapeutic approaches, and new knowledge on ourselves and our interactions with our environment. It becomes apparent that biomechanics focusing on molecules, cells as well as tissues and organs is an important aspect of modern biomedical sciences. The aims of this journal are to facilitate the studies of the mechanics of biomolecules (including proteins, genes, cytoskeletons, etc.), cells (and their interactions with extracellular matrix), tissues and organs, the development of relevant advanced mathematical methods, and the discovery of biological secrets. As science concerns only with relative truth, we seek ideas that are state-of-the-art, which may be controversial, but stimulate and promote new ideas, new techniques, and new applications.
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