Exercise, fresh air, and good posture are all helpful.
Martlew, Gillian & Silver, Shelley Stay Well This Winter (1989)
The risk factors for each of them can be dramatically reduced with good posture.
The Sun (2014)
Lean forward from your hips keeping a good posture with your back.
The Sun (2012)
As any stiffness eases, sufferers are encouraged to gradually increase their range of neck movement, and maintain good posture when sitting or walking.
Times, Sunday Times (2009)