Effects of aerobic training in patients with chronic low back pain

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Effects of aerobic training in patients with chronic low back pain

 

Author: Chan, Wai-yi
Title: Effects of aerobic training in patients with chronic low back pain
Degree: M.Sc.
Year: 2007
Subject: Hong Kong Polytechnic University -- Dissertations.
Backache -- Patients -- Rehabilitation.
Aerobic exercises.
Department: Dept. of Rehabilitation Sciences
Pages: xii, 112 leaves : ill. (some col.) ; 30 cm.
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b2232842
URI: http://theses.lib.polyu.edu.hk/handle/200/4151
Abstract: Physiotherapists often teach lumbar mobilization and strengthening exercises to low back pain patients at some stage of the rehabilitation program. However the benefits and value of physical fitness training for reducing pain and disability in chronic low pain patients are not clear. The aim of this study is to evaluate the effects of 8 weeks of aerobic training in subjects with low back pain. Forty six subjects (10 males and 36 females; 46.6 +- 9.9 years) with chronic low back pain, who were referred to the Hospital Authority Outpatient Physiotherapy Department between March to September 2006. The subjects were randomized to either the conventional physiotherapy group (PT group, N=22) or conventional physiotherapy with supervised aerobic training (PT + Ex group, N=24) for 8 weeks. The following outcome measures were evaluated: (1) Visual Analogue Scale (VAS) pain score; (2) Aberdeen Low Back Pain Disability Scale (ALBPS); and (3) physical fitness parameters (aerobic capacity, muscular endurance, flexibility and body fat composition). Following 8-weeks, subjects in the PT + Ex group demonstrated a reduction in pain by 28% (P<0.001) and a 10% reduction in disability (p<0.001). MANOVA univariate analysis demonstrated no significant difference in pain (P=0.081) and disability (P= 0.189) between the two groups. However, the male subjects in the PT + Ex group appeared to have a greater reduction in pain (mean difference 32%, P=0.009) and an improvement in disability (mean difference 12%, P=0.093). Post-hoc multiple linear regression demonstrated an association of aerobic capacity improvement (|3=0.019) with disability score changes in the PT + Ex group. The physical fitness parameters explained 30.6% of the variance in the disability score changes. The study showed that an improvement in all of the physical fitness parameters after 8 weeks of aerobic training. Although there was no significant difference between the two groups in pain and disability, there was a tendency of greater improvement in the male aerobic trained subjects. Moreover, there was also a tendency of association between changes in aerobic capacity and disability scores in the aerobic trained subjects.

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