Neck pain is defined as discomfort or more intense forms of pain that are localized to the cervical region. The multifactorial etiology of neck pain includes trauma, ergonomic factors such as inappropriate postures, repetitive movements, strong physical activity, individual factors such as age, BMI, genetic factors, behavioral factors, and psychosocial factors.~The prevalence of cervicalgia ranges from 16.7 to 75.1%, of which 50% will resolve within a short time and the other half will suffer pain for a longer time. There is a higher prevalence in widows and separated, people with few economic resources, jobs that involve physical effort, low educational level, anxiety and depression. Furthermore, there is a high relationship between cervical pain and temporomandibular disorders.~From this study, the investigators are going to carry out a non-invasive, analgesic, antiinflammatory treatment and without negative side effects for the patient through radial extracorporeal shock waves (rESWT), and manual therapy (TM). Among the effects produced by shock waves the investigators find that they improve circulation due to increased blood flow and oxygenation, at tissue level the permeability of the membrane increases and its metabolic process, therefore facilitating the activation of tissue regeneration processes experiencing dystrophic changes. Furthermore, shock waves cause anti-inflammatory effects and muscle relaxation.~The main objective of the study is to evaluate the capacity of the shock waves to improve the alterations due to neck pain. To meet the above objective, a single-blind randomized clinical trial study has been designed. The selected subjects will be of legal age diagnosed with neck pain and those subjects that due to their own characteristics are not able to carry out the study will be excluded. Subjects will receive a weekly physical therapy session for four weeks. Subjects will be randomly assigned to two groups: T1 intervention group consisting of subjects who will receive manual therapy treatment and shock waves and T2 placebo group in which the subjects will receive manual therapy and placebo shock waves.
The aim of this study is to assess the effects of radial shock wave therapy in neck pain. For this objective, subjects recruited will be allocated in an experimental group or a placebo group. Both groups will receive one manual therapy and radial shock waves therapy (real for experimental group, a sham device for placebo group) session per week along one month. Neck pain, neck function, temporomandibular pain, temporomandibular function and quality of life measured will be performed before the intervention, after the last treatment and at one month follow-up.