Elite milers, Sir Roger Bannister and Joseph Falcon, have stated that the
consumption of carbonated beverages hinders the performance of aerobic
events. Oxygen transport is purportedly impaired by the consumption of
carbonated beverages. The research on carbonated beverages has been
limited to the effects on the digestive system, gastric emptying, and thermal
heat stress in animals. The purpose of this study was to investigate the effects
of consuming 28 ounces of carbonated beverages per day, for three weeks, on
arterial oxygen saturation (Sa0₂), serum hemoglobin concentrations (Hb), and
maximal oxygen consumption (VO₂max) in experienced cyclists.
Nine competitive cyclists and triathletes (aged 19-24 years, M = 21.67
years), with average weights and percent body fat of 76.51 kg and 11.4 percent
respectively, were randomly assigned to a three week period of consuming 28
ounces of carbonated water or a three week period of no carbonated
beverages. At the end of each three week period, a 5 c.c. blood sample was
taken for Hb determination and the subjects performed a test of maximal
oxygen consumption on a cycle ergometer while Sa0₂ was being monitored.
The groups then crossed-over with respect to their treatment, and after another
three week period, the same variables were measured.
The Student's t statistic was used to compare Sa0₂, Hb, and VO₂max. The
results showed no significant differences between the carbonated period (C)
and the noncarbonated period (NC) in Sa0₂ (94.00 vs 93.22 %, p= 0.21), Hb
(13.71 vs 14.12 g/dl, p= 0.11), and VO₂max (4.63 vs 4.65 Imin, p= 0.92). From
this study, it appears that the consumption of carbonated beverages does not
affect the variables associated with the oxygen carrying capacity of blood
(Sa0₂ and Hb) or the test of aerobic performance (V0₂max) / Graduation date: 1992
| Identifer | oai:union.ndltd.org:ORGSU/oai:ir.library.oregonstate.edu:1957/37398 |
| Date | 21 August 1991 |
| Creators | Waibler, Max |
| Contributors | Wilcox, Anthony R. |
| Source Sets | Oregon State University |
| Language | en_US |
| Detected Language | English |
| Type | Thesis/Dissertation |
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