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Why Are X-Rays Taken for a Sprain?

Q: Why is it necessary to have X-rays taken after a sprained ankle? Can’t the doctor just examine the foot to figure out what’s wrong?

A: While it’s sometimes possible to identify signs of ankle injury, such as swelling, bruising, tenderness, and reduced motion, relying solely on a physical examination can be limiting. The doctor might perform additional tests, like squeezing the bones together or isolating movements in specific parts of the foot. However, ankle pain often makes it difficult to conduct a thorough examination. Even with a careful assessment, it’s nearly impossible to distinguish between a torn ligament and a bone fracture based on symptoms alone.

An X-ray is essential because it can reveal if any bones are fractured. Additionally, advancements in medical technology, such as the use of an arthroscope, allow doctors to look inside the ankle joint. An arthroscope is a tiny camera that can be inserted into the ankle, providing a direct view of the bones and ligaments. This enables the doctor to accurately identify any torn or broken structures.

These technological tools ensure that doctors can make an accurate diagnosis, which is crucial for determining the most effective treatment plan.