OSCE On-Ground Practice Test

Bragard Sign is positive for which condition?

Lumbar disc herniation Facet joint irritation Sacroiliac dysfunction Sciatic radiculopathy

Correct Answer:

Sciatic radiculopathy

Explanation:

Bragard sign tests for sciatic radiculopathy due to nerve root irritation from a lumbar disc herniation. When you straighten the leg to provoke pain and then dorsiflex the ankle, if the pain is amplified or reproduced, it points to nerve root irritation rather than purely musculoskeletal tightness. The dorsiflexion stretches the sciatic nerve and its roots, revealing radicular pain that travels down the leg in a dermatomal pattern. This makes the sign helpful for distinguishing radicular nerve involvement from conditions that cause local back or buttock pain, such as facet joint irritation or sacroiliac dysfunction, which do not typically produce the same reproducible leg radiation with nerve tension maneuvers.

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