Enlarged swollen knees

Enlarged swollen knees are usually indicative of either of the following:

• Enlarged red swollen knees with difficulty bending and stretching are seen in heat impediment, which develops when wind and dampness that have remained depressed for a long time transform into heat.
• Enlarged swollen knees with emaciated calves is called crane’s-knee wind, are attributable to cold-damp lodging for a long time with qì-blood vacuity.