Sitting on a chair, extend your back so that your shoulders and head extend past the back of the chair. Feel the tension along your spine. This is the

Living a sedentary lifestyle or routinely sitting for long periods with poor posture can cause structural changes in the back and neck. The muscles can become deconditioned and weak, and thus not hold the spine in neutral alignment as easily as before.

Explanation:

Common Causes of Upper Back Pain

pretend they are in there underwear and you wont look at them.

true you must have an adult in the car