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What is muscle near-infrared spectroscopy (mNIRS)? Muscle near-infrared spectroscopy (mNIRS) is a non-invasive technique that can be used to measure

ACSM is pleased to announce the publication of a new position stand titled: Resistance Training Prescription for Muscle Function, Hypertrophy,

New evidence review of data from 30,000+ participants finds the biggest benefits come from consistency, not complicated programs The American College of Sports Medicine (ACSM) has

Explore the economic cost of physical inactivity and discover how regular activity reduces healthcare expenses and boosts productivity. Infographic developed

The Centers for Medicare & Medicaid Services (CMS) recently announced a transformative initiative with a mandatory focus on physical activity and nutrition:

GSSI Pre-Conference

The Physiology of Hydration: More Than Water Alone

This session explores the physiology of hydration through an integrated lens—examining how carbohydrate, sodium, flavor, and fluid interact to influence intake, absorption, retention, and performance. We’ll review current research on fluid balance, osmotic drivers, and palatability, highlighting mechanisms that underpin voluntary intake and thermoregulation. Attendees will gain insight into individualized strategies, including sweat profiling and timing approaches, to optimize euhydration and mitigate performance decrements associated with >2% body-mass loss. Practical applications will be linked to laboratory- and field-based research, ensuring translation from bench to field. This pre-conference equips you with evidence-based tools to support athlete hydration across diverse environments and sporting contexts. 

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  • Session 1: Sweating the detail: New insights on hydration considerations for athlete performance
    • Lewis James, PhD, Associate Professor in Human Nutrition in the School of Sport, Exercise and Health Sciences at Loughborough University
  • Session 2: Functional ingredients in fluid replacement beverages for athletes
    • Lindsay Baker, PhD, Director at the Gatorade Sports Science Institute
  • Session 3: The hydration toolkit: Practical approaches to athlete support
    • Floris Wardenaar, PhD, Associate Professor at the College of Health Solutions at Arizona State University