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ACSM journal sites have been updated! The ACSM journal websites have a new look and features. You can now find

For decades, one question has dominated resistance-training research: How much weight should we lift? Many studies have compared heavy and

At the August 2026 meeting, the ACSM Board of Trustees approved proposed goals and strategies for the ACSM Strategic Plan.
Get to know the two ACSM staff members who make up the business development team.
View the full list of actions approved by the ACSM Board of Trustees in Q2 of 2026.

The gavel officially passed at the 2026 ACSM Annual Meeting, where Karin Allor Pfeiffer, PhD, FACSM, FNAK, became ACSM’s 70th

In her latest quarterly update, CEO Katie Feltman welcomes President Karin Pfeiffer and highlights the volunteer and staff leadership already

Nature as a therapeutic intervention is a practice that dates back centuries but has only recently gained empirical legitimacy. From

In July, ACSM published a new pronouncement titled, “Intentional Examination of the Social Determinants of Health in Clinical Practice and

ACSM hosts “Fighting Physical Education Decline” webinar July 21, 2026 Physical education requirements are increasingly deprioritized in pre-k through college

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