Study to determine if laser acupuncture is of useful in the treatment of chronic low back pain

INTERVENTION: (i)Study intervention is laser acupuncture using an infrared 10mv laser. (iii) The appointment for each treatment session lasts 15 minutes. The laser is directed to points in the low back area as well as on the limbs and elsewhere selected according to principles of acupuncture treatment. The points selected are individualized for each participant. (iv)Participants usually receive treatment once a week for up to maximum of 10 sessions. CONDITION: Chronic low back pain PRIMARY OUTCOME: 1. pain measured by visual analogue scale (VAS) 2. disability measured by Oswestry Disability Questionnaire (ODQ) SECONDARY OUTCOME: 1. Pain measured by VAS 2. Depression,Anxiety Stress Scale 21 (DASS21) 3. ODQ 4. Global Assessment (GA) 5. Personal Wellbeing Index (PWI‐A) INCLUSION CRITERIA: Chronic low back pain