The 4-Hour Body - An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - Timothy Ferriss
Is it even plausible that 6090 seconds of moderate contractions could have a meaningful
impact?
To attempt to answer these questions, I contacted researcher after researcher on three
continents, including GLUT-4 specialists at the Muscle Biology Laboratory at the University of
Michigan at Ann Arbor.
The short answer was: it did appear plausible.
The most important research insight came from Dr. Gregory D. Cartee and Katsuhiko Funai:
The insulin-independent effect of exercise begins to reverse minutes after exercise cessation
with most or all of the increase lost within 14 hours. A much more persistent e ect is
improved insulin sensitivity that is often found approximately 24 hours and as long as 1
2 days after acute exercise.
I started with 60120 seconds total of air squats and wall tricep extensions immediately prior
to eating main courses