Effectiveness of low-level electric current water bath on subjects with chronic non-specific neck pain

INTERVENTION: The subjects will be divided into to study group and the control group by block randomization. The subjects in the study group will receive a hydro‐galvanic bath along with exercises. Control group subjects will receive Trans‐cutaneous Electrical Nerve Stimulation (TENS) along with exercises for 4 sessions per week for 12 weeks. Outcome measures: Pain by Visual Analog Scale (VAS), Disability by Neck Disability Index, and Quality of Life by Short form 36 (SF‐36) will be evaluated pre and post 12 weeks intervention. CONDITION: Chronic non‐specific neck pain ; Musculoskeletal Diseases PRIMARY OUTCOME: ; Pre and post 12 weeks intervention:; 1. Pain with Visual Analog Scale (VAS); 2. Disability with Neck Disability Index (NDI); 3. Quality of life with Short Form‐36 (SF‐36); SECONDARY OUTCOME: Age at disease onset INCLUSION CRITERIA: Chronic non‐specific neck pain