Effects of a Single Manual Therapy-Exercise Versus Exercise Session in Patients With Chronic Neck Pain

Chronic neck pain is described as pain located between the occiput and the third thoracic vertebra that persists for more than 3 months. Chronic neck pain is one of the biggest musculoskeletal health problem in industrialized countries, representing 14.6% of all such problems today. 50% of the adult population will experience cervical pain at some point during the year. The objective of this study is to compare the effectiveness of a single exercise session with manual therapy techniques of the upper cervical spine against a single exercise session in patients with chronic neck pain and upper cervical spine dysfunction. The treatment will be applied by 1 therapist with orthopedic manual therapist (MT)-specialist training and more than 10 years of MT experience. The primary outcome measurements will be cervical mobility and cervical pressure pain threshold. Intensity of pain will be also used as secondary outcome measure. These measurements shall be taken before and immediately after the relevant intervention. Exercise Group After the baseline assessments, patients will performed the cervical stabilization exercise, and will taught to perform the contraction of deep neck flexor muscle activity with the help of the Stabilizer Pressure Biofeedback Unit (Chattanooga, USA) in supine. In addition, progress will continued in the exercise of the contraction of deep neck flexor muscles in other positions. The progression of the exercises will be adapted to each patient, depending on their evolution. Firstly, exercises will undertaken in the supine and standing positions; once these positions will be mastered, the exercises progressed to asymmetric positions with cervical bending and/or rotation toward each patient's most symptomatic side. Also, no pain will be allowed in the positions. Exercises were always carried out without pain, because pain can be an inhibitor of muscle contraction. The Exercise (E) group will carried out one 20-minute session, composed of 2 bloc