椭圆训练机的重新设计,以多样化肌肉的招募

IF 0.8 4区 医学 Q4 ENGINEERING, BIOMEDICAL
Yazan M. Dweiri, Abdullah F. Al-Dwairi, Mousa Al-Zanina, Reham Al Diabat
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引用次数: 0

摘要

这项工作的目的是介绍简单的实施修改椭圆训练器设备,以增加其效用,增加新的锻炼选项。在51名受试者中评估了引入的修改的有效性,其有效性代表了更大范围的肌肉群在期望强度水平下的招募。改进包括一个新的同相模式,其中双边身体同步创造了一个类似滑雪的运动,以及通过调整旋转连杆机构的跨步长度来改变运动范围。通过记录11块主要肌肉的表面肌电图(sEMG)来评估这些改变对肌肉募集的影响,同时进行总共6次锻炼。动作有多种方式和强度的组合,涵盖了传统的机构调整和新引入的机构调整,进行对比分析。结果表明,增加步幅增加了反相模式下下肢肌肉的需求,而减少了上肢肌肉的需求。当比较两种运动模式时,除大腿肌肉(腘绳肌和股四头肌)外,所有肌肉群在同相模式下都表现出明显更高的活动。在反相模式下,腘绳肌的活动明显增加,而股四头肌的活动在两种模式下无显著差异。所介绍的设计修改显示出对主要骨骼肌的需求多样化,从而以低增加成本改善其功能。此外,这些结果可用于实施针对不同肌肉群的渐进物理治疗康复计划,并具有所需的强度水平。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Elliptical Trainer Redesign to Diversify Muscles Recruitment
This work aims to introduce simple-to-implement modifications to the elliptical trainer device to increase its utility with added new exercise options. The effectiveness of the introduced modifications was assessed on 51 subjects, with effectiveness representing the recruitment of a broader range of muscle groups with desired intensity levels. The improvements include a new in-phase mode, where bilateral body synchronization creates a skiing-like motion, and a variable range of motion through adjusting the stride length of a rotating-link mechanism. The impact of these modifications on muscle recruitment was assessed by recording surface electromyogram (sEMG) from eleven major muscles while performing a total of six exercise routines. The routines have various combinations of mode and intensity to cover the traditional mechanism and the newly- introduced mechanism adjustments for comparative analysis. The results have shown that increasing the stride length increases the demand on lower limbs muscles during the anti-phase mode while decreasing it on upper limb muscles. When comparing the two exercise modes, all muscle groups showed significantly higher activity in the in-phase mode except for thigh muscles (Hamstrings and Quadriceps). Hamstrings revealed significantly higher activity in the anti-phase mode, while Quadriceps showed no significantly different activity between the two modes. The introduced design modifications are shown to diversify the demand on major skeletal muscles hence improving its functionality at low added cost. Furthermore, these results can be exploited to implement gradual physiotherapeutic rehabilitation plans targeting various muscle groups with desired intensity levels.
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来源期刊
CiteScore
1.80
自引率
11.10%
发文量
56
审稿时长
6-12 weeks
期刊介绍: The Journal of Medical Devices presents papers on medical devices that improve diagnostic, interventional and therapeutic treatments focusing on applied research and the development of new medical devices or instrumentation. It provides special coverage of novel devices that allow new surgical strategies, new methods of drug delivery, or possible reductions in the complexity, cost, or adverse results of health care. The Design Innovation category features papers focusing on novel devices, including papers with limited clinical or engineering results. The Medical Device News section provides coverage of advances, trends, and events.
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