Getting the right preparation not only helps prevent muscle soreness and injury, but also allows you to go longer, go faster and focus on the scenery rather than on your burning legs.
There is overwhelming evidence that (in most cases) the solution to the pain and issues with arthritic knees/hips is NOT surgery, NOT injections and NOT passive therapy.
Once you have a couple of months of running under your belt, and you're feeling good, see if on one of your runs a week you can push yourself that little bit more.
Maintaining posture throughout the day is very important, however we also spend up to eight hours a day sleeping.
For this we all need the appropriate support to allow the soft tissue structures supporting the neck to relax and recover from the daily load it is placed under.