在NCAA一级大学运动员中，前交叉韧带重建后，单腿垂直跳测试比水平跳测试能检测出更大的肢体不对称性。
Single-Leg Vertical Hop Test Detects Greater Limb Asymmetries Than Horizontal Hop Tests After Anterior Cruciate Ligament Reconstruction in NCAA Division 1 Collegiate Athletes.
作者信息
Zarro Michael J, Stitzlein Matthew G, Lee Jason S, Rowland Robert W, Gray Vicki L, Taylor Jeffrey B, Meredith Sean J, Packer Jonathan D, Nelson Christa M
机构信息
Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine; Department of Orthopaedics, University of Maryland School of Medicine.
Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine.
出版信息
Int J Sports Phys Ther. 2021 Dec 2;16(6):1405-1414. doi: 10.26603/001c.29595. eCollection 2021.
BACKGROUND
Knee function deficits may persist after anterior cruciate ligament reconstruction (ACLR). Return to sport (RTS) testing batteries assess recovery after ACLR and can guide RTS progression, but the ideal test components are debatable. The single leg vertical hop for height (SLVH) test using a commercially available jump mat may provide a valuable assessment of knee function.
HYPOTHESIS/PURPOSE: The purpose of this study was to compare the limb symmetry index (LSI) of SLVH to horizontal hop testing in a cohort of National Collegiate Athletic Association (NCAA) Division 1 collegiate athletes after ACLR. The hypothesis was the SLVH would elicit significantly lower LSI than horizontal hop tests.
STUDY DESIGN
Cross-Sectional Study.
METHODS
Eighteen National Collegiate Athletic Association (NCAA) Division 1 collegiate athletes (7 males, 11 females) at 7.33 ± 2.05 months after ACLR were included in this retrospective study. LSI was calculated for single hop for distance (SHD), triple hop for distance (THD), cross-over hop for distance (CHD), timed 6-meter hop (T6H), and SLVH. A repeated measures ANOVA was performed to identify differences in LSI for each test. Spearman's Rho correlation coefficient was calculated to examine the relationship between LSIs for each test.
RESULTS
The LSI for SLVH (84.48% ± 11.41%) was significantly lower than LSI for SHD (95.48 ± 8.02%, p = 0.003), THD (94.40 ± 3.70%, p = 0.002), CHD (95.85 ± 7.00, p = 0.007), and T6H (97.69 ± 6.60%, p = 0.001). The correlation of LSI between SLVH and the horizontal hop tests was weak and non-significant for SHD (r = 0.166, p = 0.509), CHD (r = 0.199, p = 0.428), and T6H (r = 0.211, p = 0.401) and moderate and non-significant for THD (r = 0.405, p = 0.096).
CONCLUSIONS
Individuals after ACLR had lower LSI on the SLVH than on horizontal hop tests and weak to moderate correlations between the tests suggest SLVH detects performance deficits not identified by the horizontal hop tests.
LEVEL OF EVIDENCE
背景
前交叉韧带重建（ACLR）后膝关节功能缺陷可能持续存在。恢复运动（RTS）测试组合可评估ACLR后的恢复情况并指导RTS进程，但理想的测试组件存在争议。使用市售跳跃垫进行的单腿垂直跳高度（SLVH）测试可能对膝关节功能提供有价值的评估。
假设/目的：本研究的目的是比较一组美国国家大学体育协会（NCAA）一级大学运动员在ACLR后的SLVH肢体对称指数（LSI）与水平跳跃测试。假设是SLVH的LSI将显著低于水平跳跃测试。
研究设计
横断面研究。
方法
本回顾性研究纳入了18名ACLR后7.33±2.05个月的美国国家大学体育协会（NCAA）一级大学运动员（7名男性，11名女性）。计算了单跳距离（SHD）、三跳距离（THD）、交叉跳距离（CHD）、定时6米跳（T6H）和SLVH的LSI。进行重复测量方差分析以确定每项测试的LSI差异。计算Spearman秩相关系数以检验每项测试的LSI之间的关系。
结果
SLVH的LSI（84.48%±11.41%）显著低于SHD（95.48±8.02%，p = 0.003）、THD（94.40±3.70%，p = 0.002）、CHD（95.85±7.00，p = 0.007）和T6H（97.69±6.60%，p = 0.001）的LSI。SLVH与水平跳跃测试之间的LSI相关性较弱，SHD（r = 0.166，p = 0.509）、CHD（r = 0.199，p = 0.428）和T6H（r = 0.211，p = 0.401）无显著性，THD（r = 0.405，p = 0.096）为中等且无显著性。
结论
ACLR后的个体在SLVH上的LSI低于水平跳跃测试，且测试之间的相关性较弱至中等，这表明SLVH能检测出水平跳跃测试未发现的表现缺陷。
证据水平
3级。
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