The effects of concurrent pressure threshold resistance training on functional disability and ventilatory function of individuals with mechanical low back pain

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Background and purpose Mechanical low back pain is the most common health problem worldwide that can limit work performance and quality of life. This study aims to determine the effect of concurrent pressure threshold resistance training on functional disability and ventilatory function in Mechanical low back pain patients. Materials and method A total of 44 sedentary Mechanical low back pain patients were randomly and equally subdivided into two groups: (1) the concurrent pressure threshold resistance group (n=22) received concurrent pressure threshold resistance training plus traditional low back pain exercises, (2) the normal control group (n=22) received only traditional low back pain exercises, pre- and post-testing included the assessment of functional disability as evaluated using the Oswestry Disability Index and ventilatory function measured by the CONTEC SP10 lung volume check spirometer. Results After six weeks of training, 43 patients completed the study (concurrent pressure threshold resistance group =21, controls=22). Among the concurrent pressure threshold resistance group, there was a significant decrease in Oswestry Disability Index from 19.84 ± 6.01 to 9.43 ± 4.257; P-value was <0.001. Similarly, in the control group, there was a significant decrease in Oswestry Disability Index from 20.63 ± 8.08 to 10.12 ± 5.11, P-value was <0.001. Additionally, there was a significant increase in ventilatory function related to forced expiratory volume in 1 second, forced expiratory volume in 1 second/ forced vital capacity, and Peak expiratory flow in both groups; P-value was <0.001. Conclusion A six-week concurrent pressure threshold resistance combined with traditional low back pain exercises had the same effect as conventional low back pain exercises alone. It seemed to show a beneficial reduction in functional disability and a significant improvement in ventilatory function in patients suffering from Mechanical low back pain.

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