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Hüseyin Akbulut
Coach
İstanbul, Türkiye

Hüseyin Akbulut, MSc

About

Hüseyin Akbulut is the founder of Sporeus and author of THRESHOLD (EŞİK), a 540-page Turkish-language book on endurance science. He holds a Master's degree in Sport Sciences and writes for Sporeus on exercise physiology, endurance training, and human performance science, drawing on the peer-reviewed literature and over five years of editorial work in the field.

Areas of Focus
Exercise physiologyEndurance trainingLactate thresholdVO₂maxPeriodizationSport nutritionRecovery scienceTraining methodology
Content Breakdown
Science199Exercise Tests56Physiology37Sport34Training25Performance Science24
Articles
401
Exercise Tests
Harvard Step Test: Protocol, Norms and Application
16 April 2026 · 2 min
402
Physiology
Aerobic vs Anaerobic: Which Energy System Does Football Use?
14 April 2026 · 4 min
403
Physiology
Why Footballers Sprint: The Physics of Explosive Speed
14 April 2026 · 4 min
404
Physiology
What Is Lactate Threshold and Why It Matters in Football
14 April 2026 · 4 min
405
Physiology
The Science of Football Fatigue: Why Players Slow Down After 70 Minutes
14 April 2026 · 4 min
406
Physiology
How the Heart Works During a Football Match
14 April 2026 · 4 min
407
Physiology
What Happens to Your Body in 90 Minutes of Football?
13 April 2026 · 4 min
408
Performance Analysis
Why Football Players Run So Much: The Science of Distance
13 April 2026 · 4 min
409
Physiology
What Is VO2max and Why Every Footballer Needs to Know It
13 April 2026 · 4 min
410
Sport
What Is the Lactate Threshold? Why It Matters
9 April 2026 · 6 min
411
Exercise Tests
Queens College Step Test: Protocol, Norms and Application
9 April 2026 · 2 min
412
Exercise Tests
PWC170 Test (Physical Work Capacity at HR 170): Protocol, Norms and Application
9 April 2026 · 2 min
413
Exercise Tests
Conconi Test: Protocol, Norms and Application
9 April 2026 · 2 min
414
Exercise Tests
Naughton Protocol: Protocol, Norms and Application
9 April 2026 · 2 min
415
Exercise Tests
Modified Balke Protocol: Protocol, Norms and Application
9 April 2026 · 2 min
416
Exercise Tests
Balke Treadmill Protocol: Protocol, Norms and Application
9 April 2026 · 2 min
417
Exercise Tests
Bruce Treadmill Protocol: Protocol, Norms and Application
9 April 2026 · 2 min
418
Exercise Tests
Åstrand-Rhyming Cycle Ergometer Test: Protocol, Norms and Application
9 April 2026 · 2 min
419
Exercise Tests
6-Minute Walk Test (6MWT): Protocol, Norms and Application
9 April 2026 · 2 min
420
Exercise Tests
Yo-Yo Endurance Test: Protocol, Norms and Application
9 April 2026 · 2 min