018 - Kelsey Poulter - Hydration 101

31 May 2026 · 25 min
Episode

31 May 2026 · 25 min

0:00

In this episode of the Next Level Athletes Podcast, host Kelsey Higginson explains why proper hydration and electrolyte balance are critical for athletic performance and health. She opens with a vivid high‑school football anecdote about a lineman cramping from dehydration, then outlines the physiological consequences of losing just 1–2 % of body weight through sweat—elevated heart rate, higher core temperature, increased glycogen use, reduced power, focus, and faster fatigue. A study from the International Society of Sports Nutrition is cited, showing that athletes following a personalized hydration protocol outperform those who hydrate ad‑hoc. Higginson details the five key electrolytes (sodium, chloride, potassium, calcium, magnesium), their specific roles (blood‑pressure regulation, muscle contraction, nerve signaling, recovery), and common food sources. She warns against both under‑hydration and over‑hydration (hyponatremia), emphasizing a “Goldilocks” balance. The core of the episode is a step‑by‑step individualized hydration plan derived from Dr. Andy Galpin’s equations: baseline fluid = body‑weight ÷ 2 oz, practice fluid = body‑weight ÷ 30 oz per 15‑20 min, plus 12–20 oz post‑workout, with sodium needs of 200–1,000 mg/hr based on sweat rate. Practical tips include morning “big‑gulp,” pre‑practice electrolyte dosing (e.g., Liquid IV, pickle juice), using sweat patches to measure loss, weighing before/after practice to fine‑tune intake, and focusing on whole‑food electrolyte sources. The episode concludes with key takeaways and a call to seek professional guidance or the Next Level Athletes program for support.

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