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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lee, J. Kim, H. T. Solares, G. J. Kim, K. Ding, Z. Ivy, J. L. |
| Description | Country affiliation: United States Author Affiliation: Lee J ( Kinesiology and Health Education, University of Texas at Austin, Austin, United States.); Kim HT ( Kinesiology and Health Education, University of Texas at Austin, Austin, United States.); Solares GJ ( Kinesiology and Health Education, University of Texas at Austin, Austin, United States.); Kim K ( Kinesiology and Health Education, University of Texas at Austin, Austin, United States.); Ding Z ( Kinesiology and Health Education, University of Texas at Austin, Austin, United States.); Ivy JL ( Kinesiology and Health Education, University of Texas at Austin, Austin, United States.) |
| Abstract | Boosting nitric oxide production during exercise by various means has been found to improve exercise performance. We investigated the effects of a nitric oxide releasing lozenge with added caffeine (70 mg) on oxygen consumption during steady-state exercise and cycling time trial performance using a double-blinded randomized, crossover experimental design. 15 moderately trained cyclists (7 females and 8 males) were randomly assigned to ingest the caffeinated nitric oxide lozenge or placebo 5 min before exercise. Oxygen consumption and blood lactate were assessed at rest and at 50%, 65% and 75% maximal oxygen consumption. Exercise performance was assessed by time to complete a simulated 20.15 km cycling time-trial course. No significant treatment effects for oxygen consumption or blood lactate at rest or during steady-state exercise were observed. However, time-trial performance was improved by 2.1% (p<0.01) when participants consumed the nitric oxide lozenge (2,424±69 s) compared to placebo (2,476±78 s) and without a significant difference in rating of perceived exertion. These results suggest that acute supplementation with a caffeinated nitric oxide releasing lozenge may be a practical and effective means of improving aerobic exercise performance. |
| File Format | HTM / HTML |
| ISSN | 01724622 |
| Issue Number | 2 |
| Volume Number | 36 |
| e-ISSN | 14393964 |
| Journal | International Journal of Sports Medicine |
| Language | English |
| Publisher | Thieme |
| Publisher Date | 2015-02-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Sports Medicine Athletic Performance Physiology Bicycling Caffeine Pharmacology Nitric Oxide Oxygen Consumption Drug Effects Adult Cross-over Studies Double-blind Method Energy Metabolism Female Heart Rate Humans Lactic Acid Blood Male Middle Aged Metabolism Sex Factors Young Adult Journal Article Randomized Controlled Trial Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Physical Therapy, Sports Therapy and Rehabilitation Sports Science |
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