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J Korean Acad Rehab Med 2012 Feb; 36(1): 133-140
The Effect of Power-walking in Phase 2 Cardiac Rehabilitation Program
Chul Kim, M.D., Byung Ok Kim, M.D.1, Kil-Byung Lim, M.D.2, Young Joo Kim, Ph.D., Yong Bum Park, M.D.
Departments of Rehabilitation Medicine, 1Internal Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul 139-707, 2Department of Rehabilitation Medicine, Ilsan Paik Hospital, Inje University College of Medicine, Goyang 411-706, Korea
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
ABSTRACT
Objective To evaluate the eff ects of power walking (PW) training on a treadmill in patients with coronary heart disease (CHD) and to compare the cardiovascular eff ects of PW with usual walking (UW).
Method Patients were recruited as participants in phase 2 cardiac rehabilitation program after receiving percutaneous coronary intervention (PCI) due to acute coronary syndrome from our hospital. Th e participants were divided into the PW group (n=16) and UW group (n=18). All participants received graded exercise test (GXT) and signifi cant diff erence in maximal oxygen consumption (VO2Max) was not observed between the groups. Aerobic exercise training on treadmill was given for 50 minutes per session, three times a week, for six weeks. Physiological and hematological parameters were tested before and 6 weeks after the cardiac rehabilitation program. Exercise duration, VO2Max, heart rate, blood pressure, and rate pressure product were evaluated through graded exercise test. Hematological measurements included serum lipid profi le, and high-sensitivity C reactive protein (hs-CRP).
Results Th ere were no signifi cant diff erences in resting heart rate, maximal heart rate, resting systolic and diastolic blood pressures, lipid profi le, hs-CRP, VO2Max, and RPP between the PW group and UW group. However, after 6 weeks of the intervention, VO2Max in the PW group (36.03±5.69 ml/kg/min) was signifi cantly higher than that in the UW group (29.73±5.63 ml/kg/min) (p<0.05).
Conclusion After six weeks of phase 2 cardiac rehabilitation program, the PW group showed significant improvement in VO2Max than the UW group. Thus, it will beneficial to recommend power walking in cardiac rehabilitation program.
KEYWORD
Cardiovascular disease, Exercise, Walking, Rehabilitation
J Korean Acad Rehab Med 2012 Feb; 36(1): 133-140
   

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