Clean up and validate Lower Limb dataset data

🎯 Goal / Objective

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There are some lingering errors in the Lower Limb dataset, such as errors in text labels, descriptions, etc.

✅ Tasks to be Completed

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• Run the web app alongside the Lower Limb slideshow and follow along. Fix any discrepancies between the data displayed in the app and what is in the slideshow.

Acceptance Criteria

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• The new feature is implemented as described.
• All related code passes the repository's workflow checks (linting, tests).
• The application runs without errors after the changes are made.
• (If applicable) New automated tests have been added to cover the changes.
• Any related documentation has been updated, including JSDoc comments or docstrings

Additional Context

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[!IMPORTANT]
Though not a strict prerequisite, it may be easier to complete this task if #374 is completed first.

Run the web app alongside the Lower Limb slideshow and compare the displayed data with the slideshow, focusing on text labels and descriptions. Correct each discrepancy in the dataset, then run the repository workflow checks and confirm the application runs without errors.