Correlation of the Y-Balance Test with Lower-limb Strength of Adult          Women

Lee, Dong‐Kyu; Kim, Gyoung-Mo; Ha, Sung-Min; Oh, Jae-Seop

doi:10.1589/jpts.26.641

Cited by 72 publications

(51 citation statements)

References 15 publications

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“…One limitation of our study is that we did not evaluate lower limb strength. However, Lee et al 36 noted a positive correlation between lower limb strength and reach distance in all 3 directions of the YBT in women. A strong relationship was also seen between knee-flexor strength and performance in all 3 directions due to dynamic postural control during the YBT.…”

Section: Discussionmentioning

confidence: 93%

Elite Female Basketball Players' Body-Weight Neuromuscular Training and Performance on the Y-Balance Test

Benis

Bonato

Torre

2016

Journal of Athletic Training

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Context: Neuromuscular training enhances unconscious motor responses by stimulating both the afferent signals and central mechanisms responsible for dynamic joint control. Dynamic joint-control training is a vital component of injuryprevention programs.Objective: To investigate the effects of body-weight neuromuscular training on Y-Balance Test (YBT) performance and postural control in female basketball players.Design: Randomized controlled clinical trial. Setting: Basketball practice sessions. Patients or Other Participants: A total of 28 healthy elite female basketball players were randomly assigned to an experimental (n ¼ 14) or a control group (n ¼ 14).Intervention(s): Before their regular practice sessions, the experimental group warmed up with body-weight neuromuscular exercises and the control group with standard tactical-technical exercises twice weekly for 8 weeks.Main Outcome Measure(s): Anterior-, posteromedial-, and posterolateral-reach and composite YBT scores were measured before and after 8 weeks of training.Results: Improvement over baseline scores was noted in the posteromedial (right ¼ 86.5 6 4.5 cm versus 89.6 6 2.2 cm, þ3.5%, P ¼ .049; left ¼ 85.5 6 4.3 cm versus 90.2 6 2.7 cm, þ5.5%, P ¼ .038)-and posterolateral (right ¼ 90.7 6 3.6 cm versus 94.0 6 2.7 cm, þ3.6%, P ¼ .016; left ¼ 90.9 6 3.5 cm versus 94.2 6 2.6 cm, þ3.6%, P ¼ .011)-reach directions and in the composite YBT scores (right ¼ 88.6% 6 3.2% versus 94.0% 6 1.8%, þ5.4%, P ¼ .0004; left ¼ 89.2% 6 3.2% versus 94.5% 6 3.0%, þ5.8%, P ¼ .001) of the experimental group. No differences in anterior reach were detected in either group. Differences were noted in postintervention scores for posteromedial reach (right ¼ 89.6 6 2.2 cm versus 84.3 6 4.4 cm, þ4.1%, P ¼ .005; left ¼ 94.2 6 2.6 cm versus 84.8 6 4.4 cm, þ10%, P ¼ .003) and composite scores (right ¼ 94.0% 6 1.8% versus 87.3% 6 2.0%, þ7.1%, P ¼ .003; left ¼ 94.8% 6 3.0% versus 87.9% 6 3.4%, þ7.3%, P , .0001) between the experimental and control groups.Conclusions: Body-weight neuromuscular training improved postural control and lower limb stability in female basketball players as assessed with the YBT. Incorporating neuromuscular training into the workout routines for basketball players may enhance joint awareness and reduce the risk of lower extremity injury.

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Section: Discussionmentioning

confidence: 93%

Elite Female Basketball Players' Body-Weight Neuromuscular Training and Performance on the Y-Balance Test

Benis

Bonato

Torre

2016

Journal of Athletic Training

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“…Hubbard et al, 11 in a study of participants with chronic ankle instability, showed positive correlations between both hip abduction strength and hip extension strength and posteromedial and posterolateral reach distance on the SEBT. Conversely, Lee et al, 13 in a study of elderly females, did not find significant correlations between hip abduction strength and the anterior or posterolateral reaches of the Y Balance Test. They did, however, show strong correlations between hip abduction strength and the posteromedial reach, as well as hip extension strength and all 3 directions of the Y Balance Test.…”

mentioning

confidence: 82%

“…They did, however, show strong correlations between hip abduction strength and the posteromedial reach, as well as hip extension strength and all 3 directions of the Y Balance Test. Several studies have reported that different individual muscles are utilized in the tested reach directions, [11][12][13][14] although no study to date has examined the relationship between hip strength and Y Balance composite score across a healthy population of males and females. This research is important because, theoretically, any muscle strength correlated with poorer Y Balance performance could be addressed by targeted strengthening to improve Y Balance Test performance and reduce injury risk.…”

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confidence: 99%

The Relationship Between Hip Strength and the Y Balance Test

Wilson¹,

Robertson²,

Burnham³

et al. 2018

Journal of Sport Rehabilitation

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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.

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“…The number of reach directions in the YBT is reduced to anterior, posterolateral, and posteromedial, and the instrumented apparatus increases repeatability [3]. It evaluates dynamic stability, coordination, neuromuscular control, and strength [8][9][10][11]. In order to account for different anthropometry, reach direction measurements can be normalized to leg length; this was the approach that was used for validation [3].…”

Section: Introductionmentioning

confidence: 99%

Relationships between the Functional Movement Screen Score and Y-Balance Test Reach Distances

Kelleher¹,

Frayne²,

Beach³

et al. 2017

saj

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Background: The Functional Movement Screen (FMS) is used to evaluate key movement patterns, functional symmetry, and identify individuals that are at elevated risk of injury. The purpose of this study was to assess whether dynamic postural control is a significant component of the composite FMS score by comparing it with Y-Balance Test (YBT) reach distances. Methods: Seventy-eight participants (including 40 males) performed the standardized FMS protocol followed by the YBT. The YBT reach distances were normalized to leg length and averaged between sides and trials. The individual reach directions were evaluated, and were also summed to form an aggregate YBT distance (TotalY). Results: We observed weak correlations between the composite FMS score and normalized posterolateral reach, normalized posteromedial reach, and the TotalY (r=0.36, 0.37, and 0.36, respectively; all p< 0.05). There was no correlation between the composite FMS score and normalized anterior reach (r=0.22; p=0.053). Together these findings demonstrate partial correspondence between the two tests. Conclusion: This indicates that dynamic postural control is a small component of the aggregate FMS score.

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Correlation of the Y-Balance Test with Lower-limb Strength of Adult Women

Cited by 72 publications

References 15 publications

Elite Female Basketball Players' Body-Weight Neuromuscular Training and Performance on the Y-Balance Test

Elite Female Basketball Players' Body-Weight Neuromuscular Training and Performance on the Y-Balance Test

The Relationship Between Hip Strength and the Y Balance Test

Relationships between the Functional Movement Screen Score and Y-Balance Test Reach Distances

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