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III级大学棒球和垒球运动员的肩部力量及闭链上肢稳定性测试表现

Shoulder Strength and Closed Kinetic Chain Upper Extremity Stability Test Performance in Division III Collegiate Baseball and Softball Players.

作者信息

Schilling David T, Elazzazi Ashraf M

机构信息

Utica College, Utica, NY, USA.

出版信息

Int J Sports Phys Ther. 2021 Jun 1;16(3):844-853. doi: 10.26603/001c.24244.

Abstract

BACKGROUND

Shoulder strength measured with a handheld dynamometer (HHD) and the Closed Kinetic Chain Upper Extremity Stability Test (CKCUEST) are clinical tools that have been used to measure athlete's performance and track their progress.

PURPOSE

The specific aims of this study were to describe baseball (BB) and softball (SB) players isometric strength measures and their performance on the CKCUEST; examine the relationships between strength and the CKCUEST; compare isometric strength measures of the throwing and non-throwing arms; and compare the strength and the CKCUEST measures between BB and SB players.

STUDY DESIGN

Observational cohort study.

METHODS

Participants included 50 DIII BB and 24 DIII SB players. Shoulder strength for the internal and external rotators were measured using a HHD and the CKCUEST was performed. The CKCUEST score and power were calculated. Descriptive statistics and paired t-tests were used to compare throwing and non-throwing shoulder strength. Independent t-test was used to compare BB and SB players shoulder strength and the CKCUEST measures.

RESULTS

The BB players demonstrated significant strength differences between the throwing and non-throwing shoulders and the internal rotators were significantly stronger than the external rotators (p < 0.05), while the strength ratio of the internal and external rotators was not different between arms (p=0.87). The SB players demonstrated no significant strength differences between the throwing and non-throwing shoulders for the internal and external rotators or the strength ratio of the rotators (p > 0.05). There were no significant differences between the strength of the internal and external rotators of the non-throwing shoulder (p=0.075) or the throwing shoulder (p=0.096). The BB players throwing and non-throwing shoulders produced significantly more internal and external force than the SB players (p < 0.001), however, the internal/external rotators strength ratio were similar (p=0.32, p=0.30). The CKCUEST power had inverse and significant correlations (p=0.006, p=0.003) with SB players internal and external rotators, respectively. The CKCUEST power was significantly different between BB and SB players (p < 0.001).

CONCLUSION

This study presented shoulder rotator strength and CKCUEST reference values for DIII BB and SB players. BB players demonstrated more strength but overall, less symmetry compared to SB players. CKCUEST power may be considered for the evaluation of athletes.

LEVEL OF EVIDENCE

Level III.

摘要

背景

使用手持测力计(HHD)测量的肩部力量以及闭链上肢稳定性测试(CKCUEST)是用于评估运动员表现并跟踪其进展的临床工具。

目的

本研究的具体目的是描述棒球(BB)和垒球(SB)运动员的等长力量测量及其在CKCUEST上的表现;研究力量与CKCUEST之间的关系;比较投掷臂和非投掷臂的等长力量测量;以及比较BB和SB运动员之间的力量和CKCUEST测量结果。

研究设计

观察性队列研究。

方法

参与者包括50名DIII级棒球运动员和24名DIII级垒球运动员。使用HHD测量内旋肌和外旋肌的肩部力量,并进行CKCUEST测试。计算CKCUEST得分和功率。使用描述性统计和配对t检验比较投掷肩和非投掷肩的力量。使用独立t检验比较BB和SB运动员的肩部力量和CKCUEST测量结果。

结果

棒球运动员的投掷肩和非投掷肩之间表现出显著的力量差异,内旋肌明显比外旋肌更强壮(p < 0.05),而两臂的内旋肌和外旋肌力量比值没有差异(p = 0.87)。垒球运动员的内旋肌和外旋肌在投掷肩和非投掷肩之间没有表现出显著的力量差异,或者旋转肌的力量比值也没有差异(p > 0.05)。非投掷肩(p = 0.075)或投掷肩(p = 0.096)的内旋肌和外旋肌力量之间没有显著差异。棒球运动员的投掷肩和非投掷肩产生的内、外力明显比垒球运动员更多(p < 0.001),然而,内/外旋肌力量比值相似(p = 0.32,p = 0.30)。CKCUEST功率与垒球运动员的内旋肌和外旋肌分别呈负相关且具有显著相关性(p = 0.006,p = 0.003)。BB和SB运动员之间的CKCUEST功率存在显著差异(p < 0.001)。

结论

本研究给出了DIII级棒球和垒球运动员的肩部旋转肌力量和CKCUEST参考值。与垒球运动员相比,棒球运动员表现出更强的力量,但总体对称性较差。CKCUEST功率可用于评估运动员。

证据水平

三级。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d1e3/8168989/6fdaefa88f72/ijspt_2021_16_3_24244_61298.jpg

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