Immediate and short-term effect of tuina at the Kidney Channel of Foot-Shaoyin’distant point on extension deficit in patients with non-specific chronic neck pain: study protocol for a randomized controlled trial

INTERVENTION: tuina distal treatment group:tuina distal treatment;tuina local treatment group:tuina local treatment ; CONDITION: Nonspecific chronic neck pain PRIMARY OUTCOME: Cervical joint range of motion; SECONDARY OUTCOME: Neckdisabilityindex,NDI;visual analogue scale,VAS;MyotonPRO; INCLUSION CRITERIA: 1) The course of symptoms of neck pain should be at least 3 months but not more than 2 years 2) The onset of pain lasts more than 30 minutes and occurs at least once a month 3) Pain intensity measured by visual analog scale (VAS) at the time of recruitment exceeded 3 points 4) Pain during cervical spine extension, or the Angle of cervical spine extension measured by CROM is less than 30 degrees 5) No massage or other related treatment within 7 days prior to recruitment 6) Age 20‐60, male and female 7) Able and willing to submit to intervention and follow‐up evaluation 8) Agree not to receive other relevant treatments (including muscle relaxants) during the treatment period. 9) Be able to provide written informed consent