title: Enhancement on Wingate Anaerobic Test Performance With Hyperventilation.
abstract: Relatively long-lasting metabolic alkalizing procedures such as bicarbonate ingestion have potential for improving performance in long-sprint to middle-distance events. Within a few minutes, hyperventilation can induce respiratory alkalosis. However, corresponding performance effects are missing or equivocal at best.
  
  
  OBJECTIVE
  To test a potential performance-enhancing effect of respiratory alkalosis in a 30-s Wingate Anaerobic Test (WAnT).
  
  
  METHODS
  10 men (mean ± SD age 26.6 ± 4.9 y, height 184.4 ± 6.1 cm, body-mass test 1 80.7 ± 7.7 kg, body-mass test 2 80.4 ± 7.2 kg, peak oxygen uptake 3.95 ± 0.43 L/min) performed 2 WAnTs, 1 with and 1 without a standardized 15-min hyperventilation program pre-WAnT in randomized order separated by 1 wk.
  
  
  RESULTS
  Compared with the control condition, hyperventilation reduced (all P < .01) pCO2 (40.5 ± 2.8 vs 22.5 ± 1.6 mm Hg) and HCO3 - (25.5 ± 1.7 vs 22.7 ± 1.6 mmol/L) and increased (all P < .01) pH (7.41 ± 0.01 vs 7.61 ± 0.03) and actual base excess (1.4 ± 1.4 vs 3.2 ± 1.6 mmol/L) pre-WAnT with an ergogenic effect on WAnT average power (681 ± 41 vs 714 ± 44 W) and total metabolic energy (138 ± 12 vs. 144 ± 13 kJ) based on an increase in glycolytic energy (81 ± 13 vs 88 ± 13 kJ).
  
  
  CONCLUSIONS
  Hyperventilation-induced respiratory alkalosis can enhance WAnT cycling sprint performance well in the magnitude of what is seen after successful bicarbonate ingestion.
authors.affiliation: Inst of Sport Science and Motology, Phillips-University Marburg, Marburg, Germany.
authors.forename: Renate M
authors.initials: RM
authors.lastname: Leithäuser
authors.forename: Dieter
authors.initials: D
authors.lastname: Böning
authors.forename: Matthias
authors.initials: M
authors.lastname: Hütler
authors.forename: Ralph
authors.initials: R
authors.lastname: Beneke
mesh_terms: D000136:Acid-Base Equilibrium; D000328:Adult; D000472:Alkalosis, Respiratory / Q000097:blood / Q000503:physiopathology*; D015308:Anaerobic Threshold; D001639:Bicarbonates / Q000097:blood; D015415:Biomarkers / Q000097:blood; D002245:Carbon Dioxide / Q000097:blood; D004734:Energy Metabolism; D005080:Exercise Test / Q000379:methods*; D006019:Glycolysis; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006985:Hyperventilation / Q000097:blood / Q000503:physiopathology*; D019344:Lactic Acid / Q000097:blood; D008168:Lung / Q000503:physiopathology*; D008297:Male; D053580:Muscle Strength; D018482:Muscle, Skeletal / Q000378:metabolism / Q000503:physiopathology*; D011237:Predictive Value of Tests; D012420:Running; D013997:Time Factors; D055815:Young Adult
chemical_list: D001639:Bicarbonates; D015415:Biomarkers; D002245:Carbon Dioxide; D019344:Lactic Acid