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High Intensity Training Is an Effective Modality to Improve Long-Term Disability and Exercise Capacity in Chronic Nonspecific Low Back Pain: A Randomized Controlled Trial

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Previous research indicates that high intensity training (HIT) is a more effective exercisemodality, as opposed to moderate intensity training (MIT), to improve disability and physicalperformance in persons with chronic nonspecific low back pain (CNSLBP). However, it is unclearhow well benefits are maintained after intervention cessation. This study aimed to evaluate thelong-term effectiveness of HIT on disability, pain intensity, patient-specific functioning, exercisecapacity, and trunk muscle strength, and to compare the long-term effectiveness of HIT with MIT inpersons with CNSLBP. Persons with CNSLBP (n = 35) who participated in a randomized controlledtrial comparing effects of an HIT versus MIT intervention (24 sessions/12 weeks) were included forevaluation at baseline (PRE), directly after (POST), and six months after program finalization (FU) ondisability, pain intensity, exercise capacity, patient-specific functioning, and trunk muscle strength. Ageneral linear model was used to evaluate PRE-FU and POST-FU deltas of these outcome measuresin each group (time effects) and differences between HIT and MIT (interaction effects). Ultimately,twenty-nine participants (mean age = 44.1 year) were analysed (HIT:16; MIT:13). Six participants werelost to follow-up. At FU, pain intensity, disability, and patient-specific functioning were maintainedat the level of POST (which was significant from PRE, p < 0.05) in both groups. However, HIT led toa greater conservation of lowered disability and improved exercise capacity when compared withMIT (p < 0.05). HIT leads to a greater maintenance of lowered disability and improved exercisecapacity when compared to MIT six months after cessation of a 12-week supervised exercise therapyintervention, in persons with CNSLBP.
Tijdschrift: International Journal of Environmental Research and Public Health
ISSN: 1660-4601
Issue: 20
Volume: 18
Pagina's: 10779
Jaar van publicatie:2021
Trefwoorden:chronic low back pain, Omgevingswetenschappen en technologie, Parageneeskundige wetenschappen