Article ID Journal Published Year Pages File Type
2703938 Physical Therapy in Sport 2016 5 Pages PDF
Abstract

•Establishment of normative YBT-LQ scores for female collegiate volleyball players.•Similar YBT-LQ scores between dominant (94.1 ± 6.6) and non-dominant (93.9 ± 6.2) limbs.•No difference by position despite differences in the demands of each position.•Normative scores for this cohort may be clinically useful for injury screening.

ObjectiveThe Lower Quarter Y Balance (YBT-LQ) Test performance varies depending on competitive level, sport, gender, and age; therefore, determining normative scores specific to a population may be helpful in identifying injury-risk thresholds and return-to-play criteria following an injury. The purpose of this study was to determine normative YBT-LQ scores by assessing a subset of female, Division I volleyball players.DesignA descriptive analysis cohort study.ParticipantsNinety healthy (19.6 ± 1.2 y/o), collegiate female volleyball players.Main outcome measuresYBT-LQ was measured in 3 distinct directions of anterior (ANT), posteromedial (PM) and posterolateral (PL) on both the dominant and non-dominant limbs. In addition, a one way ANOVA was performed to determine mean group differences of YBT-LQ dominant and non-dominant limb composite score across position.ResultsBaseline values for this population were 94.1 ± 6.6% on the dominant limb and 93.9 ± 6.2% on the non-dominant limb. There were no significant differences for YBT-LQ composite scores on dominant (P = 0.867) and non-dominant (P = 0.989) limbs between position.ConclusionsThis study identified normative YBT-LQ composite scores for healthy, female, collegiate volleyball players. Participants performed similarly despite their position.

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