Thursday-Abstracts
Thursday-Abstracts
Thursday-Abstracts
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<strong>Thursday</strong>, May 30, 2013<br />
S288 Vol. 45 No. 5 Supplement<br />
participants were asked to maintain normal diet, and record daily fluid intake while the<br />
E group participants were asked to maintain normal diet, consume an additional 710<br />
ml of water daily, and record daily fluid intake.<br />
rEsuLTs: During Pre, hydration status was not significantly different between the<br />
groups and both groups appeared to be hypohydrated (p>0.05, C: 1.025 ± 0.005; E:<br />
1.025 ± 0.004). During the week leading to the Post, the average fluid intake was<br />
significantly greater in the E group compared to C group (p = 0.03, C = 2160 ± 1080<br />
ml; E: 3033 ± 934 ml), yet, hydration status was not significantly different during Post<br />
(p>0.05, C: 1.025 ± 0.007; E: 1.020 ± 0.006).<br />
CONCLusION: The results of the study demonstrated that, similar to other reports,<br />
Division III collegiate athletes were hypohydrated prior to practice. In addition,<br />
although the hydration regimen resulted in a greater fluid consumption, hydration<br />
status between the groups was not different.<br />
1489 Board #81 May 30, 3:30 PM - 5:00 PM<br />
Influence of hydration status on Ironman Triathletes using<br />
heart rate Based Pace Feedback<br />
Rebecca L. Stearns, Douglas J. Casa, FACSM, Julie K.<br />
DeMartini, Tracy L. Hicks, Robert A. Huggins, Lesley W.<br />
Vandermark, Evan C. Johnson, Colleen X. Muñoz. University of<br />
Connecticut, Storrs, CT.<br />
(No relationships reported)<br />
Endurance athletes commonly use heart rate (HR) to pace themselves. However,<br />
dehydration elevates HR, potentially impacting pacing during an endurance event.<br />
PurPOsE: Evaluate the influence of hydration status on triathletes utilizing heart rate<br />
(HR) to pace themselves during the bike and run sections of an Ironman triathlon.<br />
METhOds: Sixteen athletes (3 women, 13 men) in the 2012 Lake Placid<br />
Ironman traiathlon participated (Mean±SD: age=40±5yrs, height=173±12cm, body<br />
fat=16.1±6.5%). Average HR (HRavg), global positioning system (GPS) data,<br />
percent body mass loss (%BML), urine color (UC) and urine specific gravity (USG)<br />
were collected. HRavg and pace (min*km-1) for the two identical bike (B1, B2) and<br />
run (R1, R2) course loops were collected. Based on post race USG, subjects were<br />
divided into two groups: hydrated (HY, USG
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