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Related Experiment Video

Updated: Jan 6, 2026

A Vibrotactile Feedback Device for Seated Balance Assessment and Training
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Y balance test: Are we doing it right?

Andrea Fusco1, Giuseppe Francesco Giancotti2, Philip X Fuchs1

  • 1Department of Human Sciences, Society and Health, University of Cassino and Lazio Meridionale, Italy; Department of Sports Science and Kinesiology, University of Salzburg, Austria.

Journal of Science and Medicine in Sport
|October 12, 2019
PubMed
Summary
This summary is machine-generated.

Anthropometric characteristics, sex, and lower limb strength significantly impact Y balance test (YBT) performance. Controlling these factors is crucial for accurate postural balance assessment.

Keywords:
BalanceMetastabilityNeuromuscular controlPreventionRehabilitation

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Area of Science:

  • Biomechanics
  • Human Movement Science
  • Sports Medicine

Background:

  • Postural control is complex and task-specific, necessitating an understanding of factors influencing balance measures.
  • Reliable and unbiased balance information requires identifying key influencing variables.

Purpose of the Study:

  • To investigate the effects of anthropometric characteristics, sex, lower limb strength, and dominance on the Y balance test (YBT).

Main Methods:

  • A descriptive laboratory study involving 42 young adults performing the YBT.
  • Raw and normalized reach distances were recorded.
  • ANOVA and multiple linear regression models were employed to analyze data and identify predictors of postural control.

Main Results:

  • No significant sex differences were found, except for normalized anterior reach.
  • Limb dominance did not significantly affect YBT performance.
  • Trunk length, strength, and sex-strength interaction predicted raw YBT measures, while strength and its interaction with sex predicted normalized measures. Relative lower limb length negatively impacted normalized performance.

Conclusions:

  • Anthropometric characteristics, sex, and lower limb strength influence YBT measures, irrespective of limb dominance.
  • These variables must be controlled for accurate postural balance evaluation, especially when using different YBT metrics.