Press & Media Materials
Quick Facts
| Book | THRESHOLD — On Fatigue, Endurance, and the Limits of the Body |
| Author | Hüseyin Akbulut, MSc |
| Pages | 540+ |
| Chapters | 22 |
| References | 275 scientific sources |
| Launch Date | April 15, 2026 |
| Language | Turkish (English edition in preparation) |
| ISBN | Pending |
About the Book
THRESHOLD is a comprehensive 540-page reference on the science of human endurance. From the lactate myth to evolutionary biology, from the central governor theory to Kenya’s running culture — a narrative grounded in 275 scientific sources.
About the Author
Hüseyin Akbulut — BSc Sport Sciences, MSc Sport Information Technologies, Marmara University. Independent researcher and science communicator. Full bio →
Sample Interview Questions
- What has been taught wrong about lactate for 80 years?
- How does the central governor theory change our approach to training?
- Why is the book called “THRESHOLD”?
- Were humans evolved to run?
- Can the polarized training model work for amateur runners?
- Where does the Turkish endurance tradition sit in world perspective?
- What was the most surprising finding while writing the book?
- What should a coach do differently after reading THRESHOLD?
Contact
Interview and press requests: huseyinakbulut@marun.edu.tr