Change in serum sodium concentration during a cold weather ultradistance race.

@article{Stuempfle2003ChangeIS,
  title={Change in serum sodium concentration during a cold weather ultradistance race.},
  author={Kristin J. Stuempfle and Donald R. Lehmann and H Samuel Case and Sherri Lind Hughes and Deborah J. Evans},
  journal={Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine},
  year={2003},
  volume={13 3},
  pages={
          171-5
        }
}
OBJECTIVE To investigate change in serum sodium concentration and its potential causes during a cold weather ultradistance race. DESIGN Descriptive research. SETTING A 100-mile (161-km) race over a snow-packed course in the Alaskan wilderness. Athletes competed in 1 of 3 divisions: foot, bike, or ski. PARTICIPANTS Twenty athletes (11 runners, 6 cyclists, 3 skiers) volunteered for the study. INTERVENTIONS None. MAIN OUTCOME MEASURES Subjects were weighed and had blood drawn for… CONTINUE READING

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