Searching Some Blood Parametres for Indication of Dehydration Following Training in Swimmers

The aim of the study to identify the level of changes in blood sodium (Na+), potassium (K+) and chlorine (Cl-) due to dehydration after training in swimmers. 31 swimmers (9 female, 22 male) which are training in Ankara City participated in this study. The ages of the subjects vary between ages 13-16, (in male 14.40±1.44 years and in female 14.33±1 years), their height vary between 166.00±6.61 cm (in male 166.66±6.61 cm and in female 160.95±4.82 cm) and their total training time is 6.41±1.31 years. The pool temperature is fixed to 23°C and the humidity to 97%. The before and after training analyses of the subjects yielded the following results, body weight (BW) ( in female BT:48.96±5.79 kg, AT: 47.33±5.51 kg, in male BT: 59.30±5.89 kg, AT: 57.43±5.79 kg), blood sodium (Na+) (in female BT: 142.77±1.64 mmol/L, AT: 140.88±2.14 kg, in male BT: 143.40±1.91 mmol/L, AT: 141.66±2.10 mmol/L), blood potassium (K+) (in female BT: 4.77±0.21 mmol/L, AT: 4.87±0.21 mmol/L, in male BT: 4.71±0.2 mmol/L, AT: 4.80±0.17 mmol/L), blood chloride (Cl-) (in female BT: 108±1.22 mmol/L, AT: 106.22±1.09 mmol/L, in male BT: 105.72±2.31 mmol/L, AT: 103.90±2.61 mmol/L). the obtained data were analyzed using the SPSS 15.0 program. As a result, dehydration induced Na+ and Cl- ions increase and K+ ion reduce in blood after long-term exercise was determined as significant in swimmers (p<0.05). Replacement of lost fluids and electrolytes is extremely important for the athlete's health and performance. As the body fluids decrease, the performance decreases, the thermoregulation deteriorates, the the tolerance of the temperature decreases and various physiological conditions arise. In order to protect and improve these situations, athletes should take regular measures to consume liquids at regular intervals throughout the day. And they need to create and apply a special fluid intake plan