Sodium Ingestion Improves Groundstroke Performance in Nationally-Ranked Tennis Players: A Randomized, Placebo-Controlled Crossover Trial.

This study examined the dose-response effects of ingesting different sodium concentrations on markers of hydration and tennis skill. Twelve British nationally-ranked tennis players (age: 21.5 ± 3.

The prevalence of disordered eating in elite male and female soccer players.

Purpose: To examine the prevalence of disordered eating (DE) in elite male and female soccer players and the influence of perfectionism.

Methods: Using a cross-sectional design, elite male (n = 137) and female (n = 70) soccer players and non-athlete controls (n = 179) completed the clinical perfectionism questionnaire (CPQ-12) and the eating attitudes test (EAT-26) to assess perfectionism and DE risk, respectively.

Results: Male soccer players had higher EAT-26 scores than controls (10.