Scoliosis Cobb Angle Calculator
Evaluate scoliosis severity based on the clinical Cobb Angle measurement from spinal radiographs.
Input Parameters
Enter details for calculation.
Scoliosis Severity
Expert Tip
Cobb angles > 10° define scoliosis. Bracing is often indicated for angles 25-40° in growing patients; surgery is considered for angles > 40-45°.
Calculation Methodology & Details
Formula
Severity tiers: < 10° Normal, 10-24° Mild, 25-40° Moderate, > 40° Severe.
Important Disclaimer
The calculations provided are for educational and general informational purposes only. They do not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.
How Cobb Angle is Classified
Follow these steps to use this calculator:
Determine End Vertebrae
Identify the top and bottom tilted vertebrae on X-ray.
Measure Angle
Enter the intersecting angle in degrees.
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ℹ️ About this Calculation
This orthopaedics and musculoskeletal clinical calculator evaluates joint replacement outcomes, osteoporotic fracture risk, spinal deformity severity, and physical mobility benchmarks based on AAOS clinical protocols.
Variable Glossary
Biomechanical Data
DXA T-score, Cobb angle degrees, gait velocity (m/s), dynamometer grip strength (kg), or functional survey items.
Functional Index
10-year major osteoporotic fracture probability (FRAX %), Oxford joint score (0-48), or spinal curvature classification.
How to Calculate Step-by-Step
Step 1
Input patient bone density BMD values, spinal radiograph degrees, or physical test performance numbers.
Step 2
Select patient age, gender, and secondary clinical risk factors (prior fracture history, steroid use).
Step 3
Review calculated joint function impairment tiers, sarcopenia risk categories, or fracture intervention thresholds.