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Accuracy of Graded Exercise Test and Alternative Protocols in Predicting O₂Pmax | ||
| New Approaches in Exercise Physiology | ||
| دوره 6، شماره 11، شهریور 2024، صفحه 237-245 اصل مقاله (943.15 K) | ||
| نوع مقاله: Letter to Editor | ||
| شناسه دیجیتال (DOI): 10.22054/nass.2025.88048.1179 | ||
| نویسندگان | ||
| Asghar Abassi1؛ sirwan Mohammad Amini Khayat* 2 | ||
| 1Rehabilitation Clinical Trials Center, Division of Respiratory and Critical Care Physiology and Medicine, The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, USA | ||
| 2Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Urmia University, Urmia, Iran. | ||
| چکیده | ||
| We were very interested in the recent research focused on evaluating cardiovascular performance in young populations. The maximal oxygen pulse (O₂Pmax), calculated as the ratio of peak oxygen uptake (VO₂peak) to peak heart rate (HRpeak), has become an important, non-invasive marker for assessing cardiopulmonary function. Nevertheless, direct measurement through cardiopulmonary exercise testing (CPET) is often impractical for large-scale studies. highlighting the need for reliable estimation methods. Although several such protocols are available for adults. their accuracy in adolescents—who experience significant physiological changes—has not been thoroughly validated. Our study sought to address this by comparing O₂Pmax estimates derived from one laboratory-based and three field-based exercise tests against a standard reference in adolescent males. We conducted a cross-sectional study involving 60 healthy adolescent boys (mean age 16.05 ± 0.81 years). Participants underwent four exercise tests in a randomized order: a Graded Exercise Test (GXT) on a treadmill, two cycle ergometer tests (PWC195 and PWC212) | ||
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