Neck Strain Exercises: References

Dutton M. Dutton's Orthopaedic Examination, Evaluation, And Intervention. 3rd ed. New York: McGraw-Hill Medical; 2012.

Domenech M, Sizer P, Dedrick G, McGalliard M, Brismee J. The Deep Neck Flexor Endurance Test: Normative Data Scores in Healthy Adults. PM&R. 2011;3(2):105-110. doi:10.1016/j.pmrj.2010.10.023.