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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mounier-Vehier, Claire Coquart, Jérémy Boitel, Guillaume Borel, Benoit Garcin, Murielle Duhamel, Alain Delsart, Pascal Matran, Régis |
| Description | Country affiliation: France Author Affiliation: Borel B ( 1Université de Limoges, HAVAE, EA6310, Limoges, FRANCE) |
| Abstract | INTRODUCTION: On the basis of theoretical evidence, intensity at the crossover point (COP) of substrate utilization could be considered as potential exercise intensity for metabolic syndrome (MetS). This study aimed to examine the effects of a training program at COP on exercise capacity parameters in women with MetS and to compare two metabolic indices (COP and the maximal fat oxidation rate point LIPOXmax®) with ventilatory threshold (VT). METHODS: Nineteen women with MetS volunteered to perform a 12-wk training program on a cycle ergometer, with intensity corresponding to COP. Pre- and posttraining values of anthropometric and exercise capacity parameters were compared to determine the effects of exercise training. The pre-post training change of COP, LIPOXmax®, and VT were also investigated. RESULTS: After training, anthropometric parameters were significantly modified, with reduction of body mass (3.0% ± 3.0%, P < 0.001), fat mass (3.3% ± 3.4%, P < 0.001), and body mass index (3.2% ± 3.4%, P < 0.001). Exercise capacity was improved after the training program, with significant increase of maximal power output (25.0% ± 18.4%, P < 0.001) and maximal oxygen uptake (VË O2max, 9.0% ± 11.2%; P < 0.01). Lastly, when expressed in terms of power output, COP, LIPOXmax®, and VT occurred at a similar exercise intensity, but the occurrence of these three indices is different when expressed in terms of oxygen uptake, HR, or RPE. CONCLUSIONS: This study highlights the effectiveness of a 12-wk training program at COP to improve physical fitness in women with MetS. The relations between metabolic indices and VT in terms of power output highlight the determination of VT from a shorter maximal exercise as a useful method for determining metabolic indices in MetS. |
| ISSN | 01959131 |
| Issue Number | 11 |
| Volume Number | 47 |
| e-ISSN | 15300315 |
| Journal | Medicine & Science in Sports & Exercise |
| Language | English |
| Publisher | Lippincott Williams & Wilkins (on behalf of the American College of Sports Medicine) |
| Publisher Date | 2015-11-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Energy Metabolism Physiology Metabolic Syndrome X Physiopathology Physical Education And Training Physical Endurance Adult Aged Anaerobic Threshold Body Fat Distribution Body Mass Index Female Heart Rate Humans Lipid Metabolism Middle Aged Oxidation-reduction Oxygen Consumption Journal Article Research Support, Non-u.s. Gov't Discipline Sports Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Physical Therapy, Sports Therapy and Rehabilitation Sports Science |
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