Inflammation of an aponeurosis, causing pain and potential dysfunction in the muscle and fascia it supports.
From aponeurosis + -itis (inflammation suffix). This medical term describes a pathological condition affecting the fibrous sheet tissues that anatomists had identified centuries earlier.
Aponeurositis happens when those flat muscle sheets get inflamed—it can be incredibly painful because inflammation in these widespread tissue sheets affects large areas, making everyday movements hurt in unexpected ways.
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