Differential Diagnosis
The causes of limping are many and can be either serious or non-serious. It usually results from pain, weakness, neuromuscular imbalance, or a skeletal deformity. However, in 30% of cases the underlying cause remains unknown after appropriate investigations. The most common underlying cause of limping in children is minor trauma. In those with no history of trauma, 40% are due to transient synovitis and 2% are from Perthes' disease.
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