What is the medical term for forward displacement of a vertebra over the vertebra below, commonly occurring at the L4-L5 level?

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Multiple Choice

What is the medical term for forward displacement of a vertebra over the vertebra below, commonly occurring at the L4-L5 level?

Explanation:
Forward displacement of a vertebra over the one beneath is called spondylolisthesis. At the L4–L5 level this slippage is a common site and can result from defects in the pars interarticularis or from degenerative changes. While the direction of slippage is sometimes described as anterior (anterolisthesis), the standard medical term for the condition is spondylolisthesis. This differs from radiculopathy, which is nerve root irritation or compression symptoms; pronation, which is a forearm/hand motion; and spondyloarthritis, which is inflammatory spine arthritis.

Forward displacement of a vertebra over the one beneath is called spondylolisthesis. At the L4–L5 level this slippage is a common site and can result from defects in the pars interarticularis or from degenerative changes. While the direction of slippage is sometimes described as anterior (anterolisthesis), the standard medical term for the condition is spondylolisthesis. This differs from radiculopathy, which is nerve root irritation or compression symptoms; pronation, which is a forearm/hand motion; and spondyloarthritis, which is inflammatory spine arthritis.

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