与术前测量结果相比，棒球运动员在尺侧副韧带重建术后恢复投球时下肢平衡得到改善。
Lower extremity balance is improved at time of return to throwing in baseball players after an ulnar collateral ligament reconstruction when compared to pre-operative measurements.
作者信息
Hannon Joseph, Garrison J Craig, Conway John
机构信息
Texas Health Ben Hogan Sports Medicine, Fort Worth, TX, USA.
Texas Health Physicians Group, Fort Worth, TX, USA.
出版信息
Int J Sports Phys Ther. 2014 May;9(3):356-64.
BACKGROUND
/
PURPOSE
Lower extremity balance deficits have been shown to lead to altered kinematics and increased injury risk in lower extremity athletes. The purpose of this study was to compare lower extremity balance in baseball players with an ulnar collateral ligament (UCL) tear pre-operatively and post-operatively at the beginning of the pre-return to throwing program stage of rehabilitation (3 months).
METHODS
Thirty-three competitive high school and collegiate male baseball players (18.5 ± 3.2) with a diagnosed UCL tear volunteered for the study. Of the 33 baseball players 29 were pitchers, 1 was a catcher, and 3 were infielders. Participants were seen pre-operatively and at 3 months post operatively. This 3 month point was associated with a follow-up visit to the orthopedic surgeon and subsequent release to begin the pre-return to throwing mark for baseball players following their surgery. Following surgery, each participant followed a standard UCL protocol which included focused lower extremity balance and neuromuscular control exercises. Participants were tested for single leg balance using the Y-Balance Test™ - Lower Quadrant (YBT-LQ) on both their lead and stance limbs. YBT-LQ composite scores were calculated for the stance and lead limbs pre- and post-operatively and compared over time. Paired t-tests were used to calculate differences between time 1 and time 2 (p < 0.05).
RESULTS
Baseball players with diagnosed UCL tears demonstrated significant balance deficits on their stance (p < .001) and lead (p = .009) limbs prior to surgery compared to balance measures at the 3-month follow up (Stance Pre-Op = 89.4 ± 7.5%; Stance 3 Month = 94.9 ± 9.5%) (Lead Pre-Op = 90.2 ± 6.7%; Lead 3 Month = 93.6 ± 7.2%).
CONCLUSION
Based on the results of this study, lower extremity balance is altered in baseball players with UCL tears prior to surgery. Statistically significant improvements were seen and balance measures improved at the time of return to throwing.
LEVEL OF EVIDENCE
Level 2b.
背景
/
目的
已有研究表明，下肢平衡功能障碍会导致下肢运动员的运动学改变和受伤风险增加。本研究的目的是比较棒球运动员在术前及术后康复计划中恢复投球前阶段（3个月）开始时尺侧副韧带（UCL）撕裂的下肢平衡情况。
方法
33名诊断为UCL撕裂的竞技高中和大学男性棒球运动员（18.5±3.2岁）自愿参与本研究。在这33名棒球运动员中，29名是投手，1名是接球手，3名是内场手。在术前和术后3个月对参与者进行观察。这个3个月的时间点与骨科医生的随访以及随后允许棒球运动员在手术后开始恢复投球前的标记有关。手术后，每个参与者遵循标准的UCL方案，其中包括专注于下肢平衡和神经肌肉控制的练习。使用Y平衡测试™-下象限（YBT-LQ）对参与者的主导腿和支撑腿进行单腿平衡测试。计算术前和术后支撑腿和主导腿的YBT-LQ综合得分，并随时间进行比较。采用配对t检验计算时间1和时间2之间的差异（p<0.05）。
结果
与3个月随访时的平衡测量相比，诊断为UCL撕裂的棒球运动员在术前其支撑腿（p<0.001）和主导腿（p=0.009）的平衡功能存在显著缺陷（支撑腿术前=89.4±7.5%；支撑腿3个月=94.9±9.5%）（主导腿术前=90.2±6.7%；主导腿3个月=93.6±7.2%）。
结论
基于本研究结果，术前UCL撕裂的棒球运动员下肢平衡发生改变。在恢复投球时，观察到了统计学上的显著改善，平衡测量结果有所改善。
证据水平
2b级。
Zotero 插件