Fluid and electrolyte balance during a cool weather marathon

Paul Nelson, David Ellis, Freddie fu, Marie D. Bloom, Jean O'malley

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Changes in blood, serum, and urine parameters that are usually associated with fluid and electrolyte balance were studied in 45 volunteers who ran the 1987 Pitts burgh Marathon. There were 39 males and 6 females. The mean age was 39.3 years. Their mean fluid intake was 1650 cc and the mean finishing time was 4 hours and 1 minute. The race was run in the rain with a temperature of 46°F. When the prerace and postrace values of the runners were compared, significant increases were noted in the serum sodium, potassium, blood urea nitrogen (BUN), creatinine, uric acid, creatine phosphokinase (CPK), protein, plasma renin, vasopressin, and urinary potas sium. Significant decreases were found in weight, blood pressure, and urinary sodium. No significant differences were noted in serum chloride, serum glucose, and hemoglobin/hematocrit. The mean weight loss of 1.9 kg was less than weight losses reported in marathons run under warmer conditions.

Original languageEnglish (US)
Pages (from-to)770-772
Number of pages3
JournalThe American Journal of Sports Medicine
Volume17
Issue number6
DOIs
StatePublished - Jan 1 1989

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Water-Electrolyte Balance
Weather
Serum
Weight Loss
Sodium
Rain
Blood Urea Nitrogen
Creatine Kinase
Uric Acid
Vasopressins
Hematocrit
Renin
Chlorides
Blood Proteins
Volunteers
Creatinine
Potassium
Hemoglobins
Urine
Blood Pressure

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Nelson, Paul ; Ellis, David ; fu, Freddie ; Bloom, Marie D. ; O'malley, Jean. / Fluid and electrolyte balance during a cool weather marathon. In: The American Journal of Sports Medicine. 1989 ; Vol. 17, No. 6. pp. 770-772.
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Fluid and electrolyte balance during a cool weather marathon. / Nelson, Paul; Ellis, David; fu, Freddie; Bloom, Marie D.; O'malley, Jean.

In: The American Journal of Sports Medicine, Vol. 17, No. 6, 01.01.1989, p. 770-772.

Research output: Contribution to journalArticle

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