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Women, Hormones, Metabolism & Energy Expenditure

by: Len Kravitz, PhD , Afton Cazares, MA and Christine Mermier, PhD

What trainers need to know about subtle differences in female physiology.

When it comes to optimal endurance exercise performance, fuel source and utilization play a major role in success. The contribution and expenditure of fats and carbohydrates for the synthesis of ATP (adenosine triphosphate) during exercise are regulated by several factors, including activity, duration and intensity, as well as the person’s age, training status, diet and gender. Proteins contribute a minor 1%–8% of fuel needs during submaximal exercise (Isacco, Duché & Boisseau 2012).

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IDEA Fitness Journal , Volume 10, Issue 7

© 2013 by IDEA Health & Fitness Inc. All rights reserved. Reproduction without permission is strictly prohibited.

About the Authors

Len Kravitz, PhD

Len Kravitz, PhD IDEA Author/Presenter

Len Kravitz, PhD, is the program coordinator of exercise science and a researcher at the University of New Mexico in Albuquerque, where he recently won the Outstanding Teacher of the Year award. Len w...

Afton Cazares, MA IDEA Author/Presenter

Christine Mermier, PhD IDEA Author/Presenter

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