Traction for the cervical spine is indicated for the client with a pinched nerve in the neck because it opens up the intervertebral foramina to decompress the spinal nerves. Dr. Joe Muscolino demonstrates how to easily perform neck traction using a towel.
It is extremely important to be able to locate and palpate the laminar groove of the cervical spine because the thickest musculature is located there.
There is an old saying that no posture is bad unless you get stuck in it. The problem is that the thoracic spine often does get stuck in bad posture.