Sinus tarsi is a small osseous canal which runs under the talus bone and to the ankle. Poor foot biomechanics or over pronation can cause injury to the sinus tarsi. However majority of people suffer from some sinus tarsi problems due to sprain or inversion of ankles. The sinus tarsi has tissues which are lot of synovial fluid and they become inflamed.
What is sinus tarsi syndrome. This condition of inflammation of sinus tarsi due to any hurt or prolonged used of legs in wrong positions is called sinus tarsi syndrome. It may occur due to some inflammatory conditions such as osteoarthritis or gout. At the first instance the word ’sinus’ deviates our attention and we think its related to sinus or infections on sinus. But this is not so. Sinus tarsi is drastically a different term with a complete different meaning.
You might have seen people complaining of pain and inflammation near ankle or talus bone. This is due to sinus tarsi syndrome in which the sinus tarsi or osseous canal which under the talus bone runs into your ankle is hurt and it leads to inflammation and pain in the ankle region. And in such condition some nerves in your body navigate to other place by means of excess swelling of the tunnel.
People suffering from sinus tarsi syndrome experience localized pain in the ankle area, tenderness outside ankle, difficulty in running, some kind of passive inversion in the joint and pain on putting weight on one feet even body weight for more than one minute.
The first and foremost treatment is rest that would deal with painful activities. You can apply ice or cold water treatments to reduce inflammation and pain. You can take prescribe NSAIDS like ibuprofen. Mobilization of your subtalar part is also a good treatment option. Above all the best treatment is strengthening exercises for your ankles like proprioceptive exercises.