Question:
The angle shown in the image is known as:
The angle shown in the image is known as:
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Standard angle for measuring the magnitude of a scoliotic spinal curve.
Updated On: Jun 23, 2026
- Cobb's angle
- Bohler's angle
- Ferguson angle
- Baumann's angle
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The Correct Option is A
Solution and Explanation
Step 1: The image shows a scoliotic curve of the vertebral column with lines drawn to measure the angle of curvature.
Step 2: This is the Cobb angle, the standard measurement used to grade and track scoliosis. It is drawn along the upper border of the most tilted upper vertebra and the lower border of the most tilted lower vertebra of the curve, then perpendiculars are erected from these lines and the angle between them is measured. A Cobb angle of 10 degrees is the minimum needed to define scoliosis.
Step 3: Bohler's angle is the calcaneal angle used in calcaneal fractures. Baumann's angle is an elbow measurement used in paediatric supracondylar fractures. Ferguson angle is an alternative scoliosis method using vertebral centres but is not the one drawn here. The vertebral curvature with end-plate lines is the Cobb angle.
Ref: Physiopedia, Cobb's angle.
Step 2: This is the Cobb angle, the standard measurement used to grade and track scoliosis. It is drawn along the upper border of the most tilted upper vertebra and the lower border of the most tilted lower vertebra of the curve, then perpendiculars are erected from these lines and the angle between them is measured. A Cobb angle of 10 degrees is the minimum needed to define scoliosis.
Step 3: Bohler's angle is the calcaneal angle used in calcaneal fractures. Baumann's angle is an elbow measurement used in paediatric supracondylar fractures. Ferguson angle is an alternative scoliosis method using vertebral centres but is not the one drawn here. The vertebral curvature with end-plate lines is the Cobb angle.
Ref: Physiopedia, Cobb's angle.
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