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Background Chronic non-specific neck pain (CNSNP) is a highly prevalent musculoskeletal disorder associated with significant disability, resulting in growing recourse to healthcare providers, huge cost for society and a great number of workdays lost. Objective By this systematic review and metanalysis we aimed to assess the effects of different physical therapy techniques in patients with CNSNP. Methods PubMed, Scopus, and Web of Science databases were regularly used to search for articles published from 1 st January 2010 until 31 st January 2024. All RCTs were assessed for eligibility, including studies on: patients with diagnosis of CNSNP; physical therapy approaches such as manual therapy (MT) and therapeutic exercise (TE); waiting list, sham treatments, as comparison; Visual Analogue Scale, Numerical Rating Scale, Numerical Pain Rating Scale, and Numerical Pain Scale, as outcomes. Results At the end of the search, 14025 studies were identified. After the removal of duplicates, 10,852 were considered eligible according to title and abstract screening, while 10,557 papers were excluded after this process. Therefore; a total of 11 RCTs were included in this systematic review. A decrease of pain intensity was observed in all groups, albeit in patients being treated with TE and MT. Besides this, the combination of TE and MT demonstrated a 91% of probability to be the best choice in patients with CNSNP at the first visit. Only the combination of TE plus MT/cognitive behavioral therapy and MT as a single treatment showed a reduction in pain score. Overall, 3 studies (27.2%) showed a low risk of bias, 6 (54.5%) showed some concerns in bias assessment, and 2 (19%) a high risk of bias. Conclusion Collectively, the findings of this systematic review showed that MT and TE might be considered as effective rehabilitation approaches for treatment of pain in patients with CNSNP.
Calafiore et al. (Sun,) studied this question.