Effectiveness of Lumbopelvic Exercise in Colon Cancer Survivors.

Introduction: This study evaluated the effectiveness of lumbopelvic exercise in improving health-related fitness, anthropometric measurements and body composition in colon cancer survivors (CCS). Methods: Forty-six CCS (35% female, n=14) were assigned to two groups for this randomized controlled clinical trial: a trunk muscle stabilization exercise program group (CO-CUIDATE) and a usual-care group. The CO-CUIDATE program was conducted for 8 weeks (3 times per weeks). The primary endpoint was isometric abdominal strength measured using the trunk curl test. The secondary endpoints used were isometric back strength, functional capacity, lower-body flexibility, weight and anthropometric measurements evaluated at baseline, after the physical exercise program and after 6 months of follow-up. A trained member of the research group with 5 years of experience working with cancer patients and who was blinded to the patient group assessed the variables. All physical tests were carried out with multiple observations. Results: The adherence to intervention was 88.36%, and 2 drop-outs (10.5%) were recorded. Minor side effects, including discomfort with the exercises in the first sessions, were reported by the participants. ANOVA demonstrated significant differences in group x time interactions for isometric abdominal strength (F= 7.7; p= 0.001), functional capacity (F= 4.6; p= 0.015), lower-body flexibility (right, F= 4.3, p= 0.021 and left, F= 3.6, p= 0.034) and waist circumference (F= 5.7; p= 0.07), which were the best values for the CO-CUIDATE group. No significant changes in isometric back strength, weight, hip circumference or body composition were observed. Conclusion: An 8-week program based on stabilization exercises is a promising strategy to increase health-related fitness and reduce waist circumference in CCS. An exercise program based on lumbopelvic exercise is a feasible intervention to improve the control of deep abdominal muscles and health-related fitness. TRIAL REGISTRATION: Clinical Trials.gov NCT02052050 (available in http://ift.tt/1ZCfEz2) (C) 2016 American College of Sports Medicine

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