[header] How to stretch your neck [title] Consult a doctor for serious injuries. [step] If you injured your neck in an accident, or if your symptoms extend to your arm, visit a doctor before stretching. If you have additional symptoms, check the warnings section below for more advice. 
[substeps] For a less serious injury, gentle exercise is probably more effective than rest. As a general rule, stretching is a good idea as long as it doesn't hurt.