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Timothy Sam-Kit Tin,Chi-Hsiu Daniel Weng,Patricia dos Santos Vigário,Arthur de Sá Ferreira 사단법인약침학회 2020 Journal of Acupuncture & Meridian Studies Vol.13 No.1
This study evaluates the effects of a short-term Cardio Tai Chi program on the cardiorespiratory fitness and hemodynamic parameters in sedentary adults. Thirty-one sedentary participants (age: 58 Æ 9 years, body mass: 63 Æ 12 kg) were subjected to an exercise program during 10 sessions over a 10-day period within 2 weeks. The Cardio Tai Chi program consisted in a series of three to five intervals lasting 90 s each at w70% maximal heart rate separated by 2-min of low-intensity recovery. Primary outcome measures were cardiorespiratory fitness (peak oxygen uptake, _ VO 2peak ) assessed by the Rockport walking test and resting hemodynamic parameters (systolic, diastolic, mean, and pulse pressures). We observed a significant difference of means on post-pre _ VO 2peak [4.5 ml/kg/ min, 95% confidence interval (CI): 3.1 to 5.8, p Z 0.004], systolic blood pressure (-5.5 mmHg, 95% CI:-7.3 to -3.8, p Z 0.010) and pulse pressure (-3.7 mmHg, 95% CI: -5.2 to -2.3, p Z 0.028). No significant differences were observed for diastolic pressure (À1.8 mmHg, 95% CI: -2.6 to -1.0, p Z 0.226), mean blood pressure (2.5 mmHg, 95% CI: 1.4 to 3.6, p Z 0.302), or resting heart rate (-0.9 beat/min, 95% CI: -2.0 to 0.1, p Z 0.631). Our findings suggest that engaging in a short-term Cardio Tai Chi program can improve cardiorespiratory fitness and hemodynamic parameters in sedentary adults.