The Supercharged Hormone Diet: A 30-Day Accelerated Plan to Lose Weight, Restore Metabolism, and Feel Younger Longer by Turner Natasha

Author:Turner, Natasha [Turner, Natasha]
Language: eng
Format: mobi, epub
Publisher: Rodale Books
Published: 2013-12-24T00:00:00+00:00

TIMING IS EVERYTHING

Cortisol release during exercise appears to depend on the time of day we choose to work out. In 2001, a research team led by Jill Kanaley, Director of the Human Performance Laboratory at Syracuse University, found cortisol was much higher during and after exercise at 7 a.m. than at 7 p.m. or midnight. So, does this mean we shouldn’t exercise in the morning if we are under a lot of stress? In this instance, exercise after work or in the early evening might offer us the most stress protection. From a strength perspective, the activation of fast-twitch muscle fibers—which are called into action when force requirements are high—is enhanced at a higher body temperature, which tends to peak in the early evening. If your workouts involve a lot of strength- or power-based movements, chances are you’ll perform a little better in the evening than you will in the early morning. So you may want to do your cardio in the morning, since just the right amount can help to reduce cortisol, and your strength training in the evening, when cortisol is lower, to allow for greater muscle growth.

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