Y-Balance Test Calculator

Y-Balance Test

Welcome to the Y-Balance Test (YBT) Assessment Tool. This interactive platform is designed specifically for Dance Anatomy students at the University of Alabama to analyze dynamic balance, lower extremity mobility, and side-to-side movement asymmetries.

By entering your reach distances, this tool instantly calculates your composite scores and relative asymmetries, offering feedback to support your personal training and injury-prevention goals.

Privacy & Data Usage Note

This tool is strictly intended for educational and self-assessment purposes for University of Alabama Dance Anatomy students. No personal data, test scores, or individual metrics are stored, recorded, or collected by this system. All calculations are processed locally in your browser.

LEFT

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RIGHT

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Asymmetry

ANT–

PM–

PL–

Composite Score–

Ranges & Criteria

Anterior Asymmetry

≤ 4 cm — Green Light (Optimal symmetry)

> 4 cm — Red Flag (2.5–4× higher risk of ankle/ACL injuries)

Posterior Asymmetry (Posteromedial / Posterolateral)

≤ 6 cm — Green Light

> 6 cm — Red Flag (Pelvic/gluteal stabilization deficit)

Composite Score (%CS)

> 95% — Excellent (High dynamic stability and control)

89–95% — Average

< 89% — Low (Overall dynamic balance and neuromuscular control deficit)

Your YBT Interpretation

Composite Score (CS) — LEFT:

Composite Score (CS) — RIGHT:

Asymmetry Evaluation:

Dance Application:

Wellness Project Recommendation:

Perfect Composite Score

Ranges & Criteria

Your YBT Interpretation