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77篇 您的检索式:作者名="Wortley"
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1Do ankle braces provide similar effects on ankle biomechanical variables in subjects with and without chronic ankle instability during landing?显示文摘Purpose:The purpose of this study was to examine effects of a sport version of a semi-rigid ankle brace(ElementTM) and a soft ankle brace (ASO) on ankle biomechanics and ground reaction forces(GRFs) during a drop landing activity in subjects with chronic ankle instability(CAD compared to healthy subjects with no history of CAI. Methods:Ten healthy subjects and 10 subjects who had multiple ankle sprains participated in the study as the control and unstable subjects, respectively.The CAI subjects were age,body mass index and gender matched with the control subjects.The arch index and ankle functions of the subjects were measured in a subject screening session.During the biomechanical test session,participants performed five trials of drop landing from 0.6 m,wearing no brace(NB).Element? brace and ASO brace.Simultaneous recording of three-dimensional kinematic(240 Hz) and GRF(1200 Hz) data were performed. Results:The CAI subjects had lower ankle functional survey scores.The arch index and deformity results showed greater arch deformity of ElementTM against a static load than in NB and ASO due to greater initial arch position held by the brace.CAI participants had greater eversion velocity than healthy controls.The ASO brace reduced the first peak vertical GRF whereas ElementTM increased 2nd peak vertical GRF. ElementTMbrace reduced eversion range of motion(ROM) and peak eversion velocity compared to NB and ASO.In addition,ElementTM reduced dorsiflexion ROM and increased peak plantarflexion moment compared to NB and ASO. Conclusion:Results of static arch measurements and dynamic ankle motion suggest that the restrictions offered by both braces are in part due to more dorsiflexed ankle positions at contact,and higher initial arch position and stiffer ankle for ElementTM.Songning Zhang Michael Wortley Julia Freedman Silvernail Daniel Carson Maxime R.Paquette 2012Journal of Sport and Health Science2012,1,2:5
2力量和太极训练对改善膝骨关节炎病人运动能力及症状的作用(英文)显示文摘背景:至今还没有相关研究曾比较过力量和太极训练对膝骨关节炎(OA)症状缓解的作用。本研究旨在评价为期10周的太极训练和抗阻力训练干预对改善老年OA病人症状和运动的作用。方法:31名老年病人(60-85岁)随机分为3组:10周太极组(n=12)、抗阻力训练组(n=13)和对照组(n=6)。所有参与者完成了西安大略大学和麦克马斯特大学(WOMAC)膝骨关节炎的指数功能评分,并在为期10周的干预前后进行了3项身体活动能力测试(6 min步行、计时起立行走、计时上下楼梯)。结果:力量训练组成员的计时起立行走测试成绩(p=0.001)、WOMAC疼痛分项分数(p=0.006)、WOMAC僵硬分项分数(p<0.001)、WOMAC身体机能分项分数(p=0.011)均显著提高。太极组成员的计时起立行走测试成绩显著提高(p<0.001),但WOMAC评分无显著变化。结论:力量训练能有效改善膝关节OA病人的运动和症状,太极训练仅能改善运动能力,但不能改善OA症状。Michael Wortley Songning Zhang Maxime Paquette Erin Byrd Lucas Baumgartner Gary Klipple John Krusenklaus Larry Brown 2013Journal of Sport and Health Science2013,2,4:5
3Efficiency of DNA barcodes for species delimitation:A case in Pterygiella Oliv.(Orobanchaceae)显示文摘DNA barcoding is becoming an increasingly popular means to identify species.The obscure discrimination in the genus Pterygiella calls into question the re-assessment of the criterion for species delimitation.We collected 20 individuals,representing all five described species of this genus in its distributional range.The aim was to use three proposed barcode DNA regions(rbcL,matK,and ITS) to diagnose Pterygiella species,and examine which barcode is more suitable for discerning the congeneric and related species.The results showed that the core barcodes matK and rbcL were comparatively less effective.However,the ITS region,especially ITS-1 and ITS-2,successfully identified all species in the genus.Furthermore,the secondary structure of ITS-2 RNA,especially compensatory base changes,appears complementary to classical primary sequence analysis for DNA barcoding.Li-Na DONG Alexandra H. WORTLEY Hong WANG De-Zhu LI Lu LU 2011Journal of Systematics and Evolution2011,49,3:4
4Effect of a combined inversion and plantarflexion surface on ankle kinematics and EMG activities in landing显示文摘目的:探寻下落在内翻结合跖屈表面时踝关节运动学参数和腓肠肌内侧、腓骨长肌、胫骨前肌的肌电活动情况。方法:12名运动员从30 cm高度下落时3种不同条件的表面:平面、25°内翻表面、25°内翻结合25°跖屈表面,每种条件分别采集5次落地。用单因素方差分析运动学参数,同时采用3×3双因素方差分析3种肌肉的积分肌电值(p<0.05)。结果:积分肌电值结果显示不同肌肉和表面之间存在交互作用。下落于平面时胫骨前肌的肌电活动高于另两种表面。相比较平面,下落于内翻表面的最大内翻角度和角速度明显提高,但腓骨长肌的肌电活动却相似。此外,下落于内翻结合跖屈的表面,其腓肠肌的积分肌电、踝关节的跖屈角度和内翻的关节活动度明显高于25°的内翻表面。结论:与单纯的内翻表面相比,内翻结合跖屈的表面在下落时会产生更不稳定的落地状况,从而更易造成踝关节扭伤。Divya Bhaskaran Michael Wortley Qingjian Chen Clare E. Milner Eugene C. Fitzhugh Songning Zhang 2015Journal of Sport and Health Science2015,4,4:4
5地表面倾斜度与踝关节护具对垂直着地运动中地面反作用力、踝关节运动学和动力学的效应显示文摘现有研究文献尚无有关在着地过程中不同表面倾斜度和踝关节护具效应的运动学、动力学和地面反作用力的综合数据。通过对比25°斜面和平面的着地以及使用和不使用踝关节护具情况下来检测踝关节的生物力学特性。研究方法:11名健康受试者[年龄:(24.6±3.5)岁,身高:(24.6±0.10)m,质量:(65.6±14.9)kg]参与本次研究。受试者在4个动态运动条件下各进行5次实验:从0.45 m高处垂直下落至25°的斜面(IS)或平面(FS)上,使用或不使用半刚性踝关节护具,同时采集三维运动学和测力台地面反作用力数据。利用2×2(表面X踝关节护具)的重复测量方差分析来评估选定的变量。研究结果:与平面着地相比,斜面着地造成较小的垂直和内侧地面反作用力峰值。研究还发现踝关节背曲运动范围、着地角度和背曲速度、最大外翻与跖曲角速度提高,但产生了更大内翻角度和运动范围、着地内翻速度和最大跖曲力矩。踝关节护具在斜面着地时减少了达到地面反作用力第二垂直峰值的时间、着地角度、背曲速度、最大外翻和跖曲速度,但增加了跖曲力矩的最大值。研究结论:斜面增加踝关节额状面的运动范围和踝关节负荷。但是,就斜面着地而言,踝关节护具对踝关节额状面的运动范围和踝关节负荷的影响是相当有限的。张松宁 Qingjian Chen Michael Wortley Divia Bhaskaran Qingjian Chen Divia Bhaskaran 2015体育科研2015,36,1:2
6Orexin gene expression is increased during states of hypertriglyceridemia 显示文摘Wortley If E Chang Guo-Qing Davydova Z 2003AJP-Regul Integr Comp Physial2003,284,:1
7Different strokes from different folks:Community ties and social support显示文摘Wellman B Wortley S 0,,03:1
8Prevention and Control of Influenza with Vaccines Recommendations of the Advisory Committee on Immunization Practices (ACIP), 2010显示文摘Fiore Anthony E Uyeki Timothy M Broder Karen Finelli Lyn Euler Gary L Singleton James A Iskander John K Wortley Pascale M Shay David K Bresee Joseph S Cox Nancy J 2010MMWR. Morbidity and Mortality Weekly Report2010,,:1
9Different strokes from different folks: Community ties and social support显示文摘Wellman B Wortley S 1990American Journal of Sociology1990,96,3:1
10Brothers' keepers: situating kin - ship relations in broader networks of social support显示文摘WELLMAN B WORTLEY S 1989Socio - logical Perspectives1989,,32:1
11Acute lumbar disk pain: navigating evaluation and treatment choices显示文摘Gregory DS Seto CK Wortley GC 2008Am Fam Physician2008,78,7:1
12Bonding with PAO make neural rosin sizing possible显示文摘Wortley B 1990Pulp and Paper1990,64,11:1
13National availability of influenza vaccine among medical subspecialty practices 显示文摘Davis MM Wortley PM Ndiaye SM 2004Am J Prev Med2004,26,:1
14Different strokes for different folks :Community ties and social support 显示文摘WELLMAN B WORTLEY S 1990American Journal of Sociology1990,,96:1
15Brother’Keepers:Situating Kinship Relations in Broader Networks of Social Support显示文摘Wellman B&Wortley S 1989Sociological Perspectives1989,32,3:1
16Different strokes from different folks: Community ties and social support显示文摘Wellman B Wortley S 1990American Journal of Sociology1990,3,96:1
17Absence of ghrelin protects against early-onset o- besity 显示文摘WORTLEY K E DEL RINCON J-P MURRAY J D 2005The Journal of Clinical Investigation2005,115,12:1
18Peptides that regulate food intake :orexin gene expression is increased during states of hy- pertriglyceridemia显示文摘Wortley KE Chang GQ Davydova Z 2003Am J Physiol Regul Integr Comp Physiol2003,284,6:1
19An assessment of potential diatom “barcode” genes (cox1, rbcL, 18S and ITS rDNA) and their effectiveness in determining relationships in Sellaphora (Bacillariophyta)显示文摘Evans KM Wortley AH Mann DG 2007Protist2007,158,3:1
20Bonding with PAC make,neural rosin siring passable显示文摘WORTLEY B 1990Pulp and Paper1990,64,11:1
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