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Borden_Hyrdation_Thesis.pdf (833.72 KB)

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The Relationship and Seasonal Changes of Hydration Measures in Collegiate Wrestlers

Borden, Emily C
http://orcid.org/0000-0003-3038-4677
http://rave.ohiolink.edu/etdc/view?acc_num=osu1523430813791537

Abstract Details

2018, Master of Science, Ohio State University, Kinesiology.
Purpose: The purpose of this study is to evaluate collegiate wrestlers and their state of hydration before and after a Division I collegiate wrestling season. Methods: Eight collegiate wrestlers (mean ± SD; 19.88 ± 1.05 yrs) gave informed consent to participate in the investigation. Measurements were obtained during the middle of the season and after the season. Height and body mass, a urine sample, a venous blood sample and a VAS thirst scale were obtained at each visit. Prior research had indicated that all hydration measures may not give the same answer and was a focal point of this study. Therefore, hydration status was evaluated using two different testing criteria, urine specific gravity (USG) [two methods] via refractometry and plasma osmolality using a biochemical assay. Results: Body mass was not significantly (p = 0.05) different between the two testing time points. Measurements for USG, regardless of methods were not significantly different between visits but plasma osmolality was significantly different with test visit 1 at the beginning of the season, producing significantly higher values than after the season. For USG a slight level of hypohydration existed but plasma osmolality indicated a bit higher level. No changes were seen between perceived level of thirst between the two testing time points. The two methods of measuring USG were highly correlated r > 0.95. However, USG and plasma osmolality were not correlated. Conclusion: The primary findings of this study were that significant differences exist from during the season compared to after season for plasma osmolality which is not reflected by USG despite no body mass differences. Finally, USG and the gold standard measure of hydration, plasma osmolality do not track hydration in a similar manner and are not correlated. Thus, consistent with prior research these two measures should not be considered to be identical in their evaluation of hydration status.
William Kraemer, Ph.D (Advisor)
Carl Maresh, Ph.D (Committee Member)
Jeff Volek, Ph.D, R.D (Committee Member)
62 p.
Kinesiology
DEHYDRATION, URINE SPECIFIC GRAVITY, BLOOD PLASMA OSMOLALITY, COLLEGIATE WRESTLERS

Recommended Citations

Citations

  • Borden, E. C. (2018). The Relationship and Seasonal Changes of Hydration Measures in Collegiate Wrestlers [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523430813791537

    APA Style (7th edition)

  • Borden, Emily. The Relationship and Seasonal Changes of Hydration Measures in Collegiate Wrestlers. 2018. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1523430813791537.

    MLA Style (8th edition)

  • Borden, Emily. "The Relationship and Seasonal Changes of Hydration Measures in Collegiate Wrestlers." Master's thesis, Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523430813791537

    Chicago Manual of Style (17th edition)

osu1523430813791537
296
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This open access ETD is published by The Ohio State University and OhioLINK.