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The Relationship Between Hip Strength and the Y Balance Test.

Abstract：

CONTEXT:The Y Balance Test was developed as a test of dynamic postural control and has been shown to be predictive of lower-extremity injury. However, the relationship between hip strength and performance on the Y Balance Test has not been fully elucidated. OBJECTIVE:The goal of this study was to identify the relationship between components of isometric hip strength and the Y Balance Test, to provide clinicians better guidance as to specific areas of muscle performance to address in the event of poor performance on the Y Balance Test. DESIGN:Laboratory study. SETTING:Biomechanics laboratory. PARTICIPANTS:A total of 73 healthy participants (40 males and 33 females) volunteered for this study. INTERVENTION:None. MAIN OUTCOME MEASURES:Participants completed the Y Balance Test on the right leg. The authors then measured peak isometric torque in hip external rotation, abduction, and extension. Correlations were calculated between torque measurements, normalized for mass and Y Balance Test performance. Significant relationships were used in linear regression models to determine which variables were predictive of the Y Balance Test performance. RESULTS:The authors found significant positive correlations between Y Balance Test performance and hip abduction strength. They also found correlations between the Y Balance Test and hip extension and external rotation strengths. Linear regression analysis showed hip abduction to be the only significant predictor of Y Balance performance. CONCLUSIONS:The authors found the strongest association between the Y Balance Test and hip abduction strength. They also showed smaller but significant associations with hip extension and external rotation strength. When entered into a linear regression analysis, hip abduction strength was the only significant predictor of Y Balance performance. Using this information, practitioners should look to hip abduction strength when patients exhibit deficits in the Y Balance Test.

journal_name

J Sport Rehabil

journal_title

Journal of sport rehabilitation

authors

Wilson BR,Robertson KE,Burnham JM,Yonz MC,Ireland ML,Noehren B

doi

10.1123/jsr.2016-0187

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

445-450

issue

eissn

1056-6716

issn

1543-3072

journal_volume

pub_type

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The Relationship Between Hip Strength and the Y Balance Test.