Name: biomechanical analysis methods to assess professional badminton players' lunge performance
Uploaded: 2019-06-11T13:00:00
Description: Watch this Scientific Journal Video about Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance at JoVE.com

这项研究由中国国家自然科学基金(81772423)、宁波大学黄麦格纳基金、中国社会科学基金会(16BTY085)发起。

该实验得到了宁波大学体育科学学院伦理委员会的批准。所有参与者都签署了书面同意书,并被告知了肺实验的要求和过程。
1. 盖特实验室制备
<ol><li>校准、移除或覆盖体积中其他可能反射的物品时,避免阳光、光线和其他反射物的反射对识别的影响,并确保实验室内具有合理的荧光灯。</li>
	<li>将加密狗插入 PC 并打开运动捕捉摄像机、专有跟踪软件、力平台放大器和外部模拟...

<ol>
	<li>Cronin, J., McNair, P. J., Marshall, R. N. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Lunge+performance+and+its+determinants.">Lunge performance and its determinants.</a> Journal of Sports Sciences. 21 (1), 49-57 (2003).</li><li>Kuntze, G., Mansfield, N., Sellers, W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=A+biomechanical+analysis+of+common+lunge+tasks+in+badminton.">A biomechanical analysis of common lunge tasks in badminton.</a> Journal of Sports Sciences. 28 (2), 183-191 (2010).</li><li>Alkj&#230;r, T., Henriksen, M., Dyhre-Poulsen, P., Simonsen, E. B. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Forward+lunge+as+a+functional+performance+test+in+ACL+deficient+subjects:+test-retest+reliability.">Forward lunge as a functional performance test in ACL deficient subjects: test-retest reliability.</a> The Knee. 16 (3), 176-182 (2009).</li><li>Alkj&#230;r, T., Simonsen, E. B., Magnusson, S. P., Aagaard, H., Dyhre-Poulsen, P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Differences+in+the+movement+pattern+of+a+forward+lunge+in+two+types+of+anterior+cruciate+ligament+deficient+patients:+copers+and+non-copers.">Differences in the movement pattern of a forward lunge in two types of anterior cruciate ligament deficient patients: copers and non-copers.</a> Clinical Biomechanics. 17, 586-593 (2002).</li><li>Boesen, A. 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大多数研究分析羽毛球运动运动的生物力学特性的缺点是忽视了羽毛球运动员的技术水平。本研究将受试者分为职业选手和业余选手,以探索在进行右前冲时不同级别关节ROM和关节矩的差异。
至于正面平面上的脚踝关节ROM,业余选手表现出比职业球员更大的ROM,显示出显著的差异,这可能与脚踝关节28的肌肉力量有关。至于正面平面上的脚踝关节瞬间,职业选手在?...

羽毛球一直是世界上最受欢迎的运动之一。在游戏中,表演肺的频率是相对较高的1。掌握快速执行隆起并返回起始位置或向另一个方向移动的能力至关重要。羽毛球不仅对羽毛球至关重要,而且对网球、乒乓球和其他运动也非常重要。
前肺被作为前十字韧带(ACL)缺陷和膝关节稳定性3,4的功能评估方法。研究表明,羽毛球运动员需要高肌肉力量和专业技术。一般来说,业余选手更注重技术训练,而不是肌肉力量训练。如果一个力量不足的人接受低质量的训练,训练时间就会变长,从而导致下肢超负荷,甚至运动损伤。
高强度训练导致下肢负荷较大,这可能是运动损伤的原因。下肢损伤占受伤总数的60%。对于男、女羽毛球选手来说,膝盖和脚是最脆弱的部分6,7,8,9。动力学数据分析可用于解释不同级别球员的下肢损伤。据报道,职业羽毛球运动员在重复的负荷运动后,特别是在显性腿的跟腱上,有相当大的内部流动。
报告显示,以前对球拍运动的研究主要是评估运动参数,但较少关注动力学2,10。当一个职业球员参加比赛时,压力集中在他们的跟腱和前膝肌腱上,特别是在占优势的肺腿5。在球拍运动中,对损伤的临床分析主要集中在下肢,超过58%,特别是膝盖和脚踝5,8,10,11,12, 13.
以前的研究已经评估了羽毛球14、15、16的生理指标和身体能力17、18、19、20的特点。.由于这些基本特点,提出了提高羽毛球选手训练效果和现场表现的基本动作。以往关于羽毛球的研究侧重于不同的运动或运动方向,而没有比较专业和业余羽毛球运动员的运动特点23、24、25 ,26,27.这些动态和关节运动的差异使他们容易受到不同的运动损伤机制的影响。
本研究的目的是研究职业羽毛球运动员和业余羽毛球运动员在运动学和动力学上的差异,以及显性腿的运动范围(ROM)。据推测,职业和业余羽毛球运动员在右前卫的肺脏中表现出差异,而更大的ROM会增加运动损伤的风险。

<table border="0" cellpadding="0" cellspacing="0" style="width:572px;" width="573">
	<colgroup>
		<col />
		<col />
		<col />
		<col />
	</colgroup>
	<tbody>
		<tr height="105">
			<td height="105" style="height:105px;width:216px;">Motion Tracking Cameras</td>
			<td style="width:71px;">Oxford Metrics Ltd., Oxford, UK</td>
			<td style="width:119px;"></td>
			<td style="width:167px;">n= 8</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:216px;">Valid Dongle</td>
			<td style="width:71px;">Oxford Metrics Ltd., Oxford, UK</td>
			<td style="width:119px;"></td>
			<td>Vicon Nexus 1.4.116</td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:216px;">Force Platform Amplifier</td>
			<td style="width:71px;">Kistler, Switzerland</td>
			<td style="width:119px;"></td>
			<td>n=1</td>
		</tr>
		<tr height="24">
			<td height="24" style="height:24px;width:216px;">Force Platform</td>
			<td style="width:71px;">Kistler, Switzerland</td>
			<td style="width:119px;"></td>
			<td>n=1</td>
		</tr>
		<tr height="22">
			<td height="22" style="height:23px;">Vicon Datastation ADC&#160;</td>
			<td style="width:71px;">Oxford Metrics Ltd., Oxford, UK</td>
			<td style="width:119px;"></td>
			<td>-</td>
		</tr>
		<tr height="22">
			<td height="22" style="height:22px;width:216px;">T-Frame</td>
			<td style="width:71px;">Oxford Metrics Ltd., Oxford, UK</td>
			<td style="width:119px;">-</td>
			<td>-</td>
		</tr>
		<tr height="22">
			<td height="22" style="height:23px;width:216px;">14 mm Diameter Passive Retro-reflective Marker</td>
			<td style="width:71px;">Oxford Metrics Ltd., Oxford, UK</td>
			<td style="width:119px;"></td>
			<td>n=16</td>
		</tr>
		<tr height="22">
			<td height="22" style="height:22px;width:216px;">Double Adhesive Tape</td>
			<td style="width:71px;">Oxford Metrics Ltd., Oxford, UK</td>
			<td style="width:119px;"></td>
			<td>For fixing markers to skin</td>
		</tr>
		<tr height="210">
			<td height="210" style="height:210px;width:216px;">Badmionton racket&#160;</td>
			<td>Li-ning, China</td>
			<td style="width:119px;">BADMINTON RACKET CLUB PLAY BLADE 1000 
			[AYPL186-4]</td>
			<td style="width:167px;">MATERIAL: Standard Grade Carbon Fiber 
			WEIGHT: 81-84 grams 
			OVERALL LENGTH: 675mm 
			GRIP LENGTH: 200mm 
			BALANCE POINT: 295mm 
			TENSION: Vertical 20-24 lbs, Horizontal 22-26 lbs</td>
		</tr>
	</tbody>
</table>

biomechanical analysis methods to assess professional badminton players' lunge performance

在模拟实验室羽毛球场的条件下,利用损伤机制模型对8名职业羽毛球运动员和8名业余选手的最大右冲运动进行了分析。该协议的目的是研究运动学和右膝和脚踝关节矩的差异。运动捕获系统和力板用于捕获下肢和垂直地面反应力(vGRF)关节运动的数据。过去6个月中没有运动损伤的16名年轻人参加了这项研究。受试者用右脚从起始位置执行最大右冲,踩上并完全接触力板,用下手击球击打后场的指定位置,然后返回起点/结束位置。所有受试者都穿着相同的羽毛球鞋,以避免不同羽毛球鞋的影响。业余选手在正面平面上表现出更大的脚踝运动和反向关节矩,在水平平面上显示更大的内部关节旋转矩。职业羽毛球运动员在下垂和正面平面上表现出更大的膝盖矩。因此,在制定训练计划时应考虑这些因素,以减少膝关节和踝关节运动损伤的风险。本研究模拟了真正的羽毛球场,并校准了受试者每个动作的活动范围,使受试者以高质量的自然状态完成实验动作。这项研究的一个局限性是,它不结合关节负荷和肌肉活动。另一个限制是样本量小,应该在今后的研究中加以扩展。本研究方法可应用于羽毛球项目其他步法的下肢生物力学研究。

图 2显示了职业选手和业余选手在进行第一阶段、第二阶段、第三阶段和第四阶段(即初始冲击峰值、二次冲击峰值、体重接受和下车阶段)的平均 vGRF弓步。第一阶段、第二阶段和第三阶段没有显著差异。然而,职业球员的vGRF明显高于业余选手,显示出显著差异(图2)。
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Biomechanical Analysis Methods to Assess Professional Badminton Players' Lunge Performance

生物力学分析方法,以评估职业羽毛球运动员的隆起表现

在这里,我们提出了一个方案,通过分析下肢运动学,评估专业和业余选手在进行羽毛球最大右肺运动时损伤机制的差异。

Under the condition of simulating a badminton court in the laboratory, this study used the injury mechanism model to analyze the maximal right lunge ...

该方法有助于回答羽毛球运动员的肺表现的一些关键问题。这种技术的主要优点是它再现了实际的羽毛球时刻。因此，数据不是高度可靠。这种技术的影响是倾向于运动损伤的治疗，因为打羽毛球时关节角度的变化可能会导致受伤。在评估当天，该科目穿T恤和紧身短裤，与研究的其他主题相同品牌羽毛球鞋。测量主体的高度毫米和重量（以公斤为单位），以及左右腿的长度（从优越的腹椎到脚踝内连体）的毫米，膝盖宽度（从中腹到横向膝盖的宽）以及从中腹到横向脚踝的宽（毫米）。Palpate 识别解剖地标并根据需要剃掉任何体毛，然后用酒精进行消毒，然后将皮肤标记在解剖骨质地标上，并在每条腿的识别区域粘贴八个标记。当所有标记都放置好时，请拍摄者自然地执行右前肺，以确保相机捕捉到下肢上的标记。让主体在模拟球场上以舒适的低速继续执行右前向，直到他们能够稳定地执行动作。让主体进行一些辅助练习以热身后，请主体在模拟球场上以舒适的高速执行右前隆，直到他们能够以这种速度稳定地执行运动。接下来，请对象将右腿放在指定区域，并下手击打梭子。然后指示主体从开始位置执行最大的右前隆起，并下手将滑闸到后场，同时确保右脚自然地踩上并完全接触森林平台，因为它们经过，然后返回开始位置。对于静态校准，打开数据管理程序以创建新数据库，然后选择保存数据文件的位置。输入新文件的名称并选择"基于"和"临床模板"，单击"创建"，选择主题的名称，然后单击"打开"。若要使用主题的信息创建新会话，请单击"新患者分类"、"新患者"和"新会话"。单击"上线"，在试验开始时。选择"会话"以捕获数据，然后返回到 Nexus 窗格。单击"主题"和"新主题"可按必要情况重命名试验，并在图形中选择"水平拆分"以查看轨迹计数。然后，检查标记数是否为 16，是否没有不需要的光污染，以及是否捕获了所有标记。如果所有标记都视图中，请在"主题准备"窗口中选择"主题捕获"，然后单击"开始"开始捕获静态数据，使主题保持静止，直到捕获 200 帧图像。然后单击"停止"和"运行"以重建用于构造标记数据的管道。选择"标签"，将相应的标签应用于标记列表中的相应标记。应用所有标签后，单击"保存"，然后按"转义"键退出。单击"主题准备"，并在主题校准下拉菜单中选择静态插件门。单击新显示的帧范围窗口中的选项，并在弹出窗口中选择左脚和右脚。然后单击"开始"和"保存"。要开始动态试验，请让主题返回到开始位置，然后单击"上线和捕获"。按顺序设置试用类型和会话，然后输入试用名。单击"开始"开始捕捉，让主体首先执行快右前三重，每次最后一步击中力板。休息两分钟后，让主体自然地进行了六次肺。再过两分钟的休息，让主体在返回开始位置之前执行六个最大右前肺，然后单击"停止"以结束数据捕获。本研究未观察到初始冲击峰、二次冲击峰、体重接受阶段等运动选手和业余羽毛球运动员评价的垂直地面反应力均无显著差异。然而，职业选手在淘汰阶段的垂直地面反应力明显高于业余选手。独立 t 检验结果显示，在下垂平原上的脚踝弯曲和植物弯曲的运动范围更大，在正面平原和水平平原上显示出显著差异。此外，在水平平原上观察到职业和业余球员在膝盖的外部内部旋转中存在显著差异，在诱拐、前平原上的加法和屈曲、在下垂平原上延伸的运动范围也较大。业余选手在进行隆起时，在四个阶段中呈现较小的种植者屈曲力的时刻或更大的侧弹性时刻，而职业选手在进行带较小内部旋转力或较大外部旋转力时，在重量接受阶段表现出更大的转换力时刻。此外，职业球员在次冲击峰阶段在膝盖上表现出较大的延长瞬间，在初始冲击峰中表现出较大的拐点。在尝试此过程时，重要的是要记住注意玩家动作的连续性。

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