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Year : 2018  |  Volume : 12  |  Issue : 1  |  Page : 37-42

The effects of McKenzie exercises in chronic nonspecific low back pain patients with central sensitization: A pilot study

1 School of Physiotherapy, RK University, Rajkot; Sarvajanik College of Physiotherapy, Surat, Gujarat, India
2 Khyati Institute of Physiotherapy, Ahmedabad, Gujarat, India
3 Orthopedic Surgeon, Hajee AM Lockhat and Dr. AM Moolla Sarvajanik Hospital, Surat, Gujarat, India
4 Director, School of Physiotherapy, RK University, Rajkot, Gujarat, India

Correspondence Address:
Dr. Dibyendunarayan Dhrubaprasad Bid
Department of Musculoskeletal Physiotherapy, Sarvajanik College of Physiotherapy, Rampura, Surat - 395 009, Gujarat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/PJIAP.PJIAP_27_17

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BACKGROUND: The possibility of the presence of central sensitization (CS) among chronic nonspecific low back pain (CNSLBP) patients to predict treatment response by related outcome measures has not been adequately explored. The purpose of this pilot study was to determine the feasibility of a study to compare “McKenzie exercise program” (MEP) and “conventional physiotherapy program” (CPP) outcomes for participants with CNSLBP, investigate whether any difference in outcome was related to CS, disability, fear-avoidance beliefs and trunk flexors and extensors muscles endurance, and to inform the design of a main study. OBJECTIVE: The present study tests whether MEP reduces CS better in CNSLBP patients having CS compared to CPP. METHODS: Forty-two patients with CNSLBP were randomly allocated into two groups. The experimental group (n = 22) received only MEP and control group (n = 20) received only CPP. Each group received specific weekly treatment five times during the study for 2 months. Outcome measures were CS Inventory-Gujarati (CSI-G) for the presence of CS, numerical pain rating scale (NPRS) for pain intensity, pressure pain threshold (PPT) by pressure algometry, Roland–Morris Disability Questionnaire-Gujarati (RMDQ-G) for disability, Fear-avoidance-beliefs Questionnaire-Gujarati (FABQ-G) for fear-avoidance beliefs, and trunk flexors and extensors endurance tests. RESULTS: Both the groups showed a decrease in NPRS, CSI-G, RMDQ-G, and FABQ-G scores and increase in PPT and trunk flexors and extensors endurance scores. However, decrease in NPRS, CSI-G, RMDQ-G, and FABQ-G scores and increase in PPT scores were significantly better in the experimental group. In contrast, control group performed significantly better on trunk flexors and extensors endurance scores. CONCLUSION: McKenzie exercises are effective in reducing pain, pain sensitization, disability and fear avoidance beliefs; however, it does not improve trunk flexors and extensors endurance in CNSLBP patients with or without CS.

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