Abstract
Low back pain (LBP) is the most common musculoskeletal disease. Monochromatic infrared photo energy (MIPE) and low level laser therapy (LLLT) are light modalities used to reduce pain and increase blood flow. The aim of this study was to compare the effects of the MIPE and LLLT in reducing functional disability and pain as well as improving lumbar range of motion (ROM) in patients with chronic LBP. Seventy participants with LBP completed the program and were randomly assigned into 2 groups. Group 1 (n = 35) received MIPE and therapeutic exercises. Group 2 (n = 35) received LLLT and therapeutic exercises. Both groups received 2 visits per week for 6 weeks. Outcome measures were functional rating index (FRI), visual analogue scale (VAS) and modified-modified Schober test at baseline and after 6 weeks. There were statistically significant improvements in functional disability, pain and lumbar ROM (P < .05) in each group. However, no significant differences were recorded between the groups (P > .05). Therefore, MIPE and LLLT may play a role in treating chronic LBP and there are no differences between the two modalities in improving functional disability, pain and lumbar ROM in patients with chronic LBP.
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