The research is very clear that diaphragmatic breathing is a key component to reduction of stress and pain. Implementing it into your daily routine does not have to be hard or time consuming.
If you've strained your knee before, you know how much it can affect your daily activity. If you like to be active, it can put a damper on a lot of recreational activities. This blog goes through a few functional tests you can perform to see if you knee is ready to return to the sporting activities you enjoy performing.