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Mechanical efficiency of high versus moderate intensity aerobic exercise in coronary heart disease patients: A randomized clinical trial by Koldobika Villelabeitia-Jaureguizar; Davinia Vicente-Campos; Alejandro Berenguel Senen; Verónica Verónica Hernández Jiménez; Lorena Lorena Ruiz Bautista; María Elvira Barrios Garrido-Lestache; Jose López Chicharro is a Medicine article available to read on EtoBox.
What is Mechanical efficiency of high versus moderate intensity aerobic exercise in coronary heart disease patients: A randomized clinical trial about?
## Background: Mechanical efficiency (me) refers to the ability of an individual to transfer energy consumed by external work. a decreased me, could represent an increased energy cost during exercise and may, therefore, be limited in terms of physical activity. this study aimed to compare the influence of two different exercise protocols: moderate continuous training (mct) versus high intensity interval training (hiit), as part of a cardiac rehabilitation program on me values among coronary patients. ## Methods: One hundred and ten coronary patients were assigned to either hiit or mct groups for 8 weeks. incremental exercise tests in a cycle ergometer were performed to obtain vo2peak. net energy expenditure (ee) and me were obtained at intensities corresponding to the first (vt1) and second (vt2) ventilatory thresholds, and at vo2peak. ## Results: Both exercise programs significantly increase vo2peak with a higher increase in the hiit group (2.96 ± 2.33 ml/kg/min vs. 3.88 ± 2.40 ml/kg/min, for patients of the mct and hiit groups, respectively, p < 0.001). the me at vo2peak and vt2 only significantly increased in the hiit group. at vt1, me significantly increased in both groups, wit
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- Author
- Koldobika Villelabeitia-Jaureguizar; Davinia Vicente-Campos; Alejandro Berenguel Senen; Verónica Verónica Hernández Jiménez; Lorena Lorena Ruiz Bautista; María Elvira Barrios Garrido-Lestache; Jose López Chicharro
- Publisher
- Via Medica
- Published
- 2019
- Language
- EN
- Field
- Medicine (Health Sciences)