Consider seeing a doctor or chiropractor for ongoing muscle pain.
Recovery time may be longer time if surgery was required during treatment.
If I get to the bottom of my issue I will post the diagnosis on here for you all.
But when they ache, you really feel it.
Very shortly after the crack the pain would happen again and I would attempt to crack my sternum again.
But because the symptoms of chest bone pain are so similar to other causes of chest pain, you might need to have tests to check for heart attack and other serious conditions.