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Ann Rehabil Med. 2012 Feb;36(1):133-40. doi: 10.5535/arm.2012.36.1.133. Epub 2012 Feb 29.

The Effect of Power-walking in Phase 2 Cardiac Rehabilitation Program.

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  • 1Department of Rehabilitation Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul 139-707, Korea.



To evaluate the effects of power walking (PW) training on a treadmill in patients with coronary heart disease (CHD) and to compare the cardiovascular effects of PW with usual walking (UW).


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. The participants were divided into the PW group (n=16) and UW group (n=18). All participants received graded exercise test (GXT) and significant difference in maximal oxygen consumption (VO(2Max)) 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, VO(2Max), heart rate, blood pressure, and rate pressure product were evaluated through graded exercise test. Hematological measurements included serum lipid profile, and high-sensitivity C reactive protein (hs-CRP).


There were no significant differences in resting heart rate, maximal heart rate, resting systolic and diastolic blood pressures, lipid profile, hs-CRP, VO(2Max), and RPP between the PW group and UW group. However, after 6 weeks of the intervention, VO(2Max) in the PW group (36.03±5.69 ml/kg/min) was significantly higher than that in the UW group (29.73±5.63 ml/kg/min) (p<0.05).


After six weeks of phase 2 cardiac rehabilitation program, the PW group showed significant improvement in VO(2Max) than the UW group. Thus, it will beneficial to recommend power walking in cardiac rehabilitation program.


Cardiovascular disease; Exercise; Rehabilitation; Walking

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