Johan Latsky

About the Author

I’m Johan Latsky, the creator of CoreSifu. I hold a Bachelor of Science in Agriculture (BScAgric) and focus on studying and writing about exercise physiology, human performance, and nutrition.

Through CoreSifu, I translate scientific research into practical, easy-to-understand explanations that help readers better understand their bodies.

I use a combination of scientific literature, textbooks, and AI-assisted research tools to help organise and clarify complex topics. All content is reviewed and shaped through my own understanding and interpretation before publishing.

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Explore the core topics in science-based fitness and physiology.

Featured Evergreen Guides

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08/19 2026
Exercises to Improve Balance and Stability: Better Control for Everyday Movement, Sport and Martial Arts

Exercises to Improve Balance and Stability: Better Control for Everyday Movement, Sport and Martial Arts

publish on August 19, 2026

If you're looking for exercises to improve balance and stability, you don't need complicated equipment or an advanced workout routine. Better balance can be developed by working on strength, coordination, mobility and your ability to control your body as it moves. Balance is something most of us use all day without thinking about it. Walking across an uneven surface, stepping

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08/12 2026
How to Increase Growth Hormone Naturally and What HGH Really Does

How to Increase Growth Hormone Naturally and What HGH Really Does

publish on August 12, 2026

Learn how to increase growth hormone naturally, what HGH actually does, how it changes with age, and whether sleep, exercise, fasting and diet can help.

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08/06 2026
How to Build Bigger Pecs at Home: Everything You Need to Know

How to Build Bigger Pecs at Home: Everything You Need to Know

publish on August 6, 2026

Learn how to build bigger pecs at home with proven chest exercises, progressive overload, nutrition tips, and training advice to maximize muscle growth without a gym.

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07/30 2026
Does Sprinting Help With Judo and Karate? Everything You Need to Know Before You Start

Does Sprinting Help With Judo and Karate? Everything You Need to Know Before You Start

publish on July 30, 2026

Does sprinting help with judo and karate? Discover how sprint training improves explosive power, speed, footwork, conditioning and athletic performance for martial artists.

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07/29 2026
Why Do I Feel Energized Before Running? Understanding the Pre-Run Energy Surge

Why Do I Feel Energized Before Running? Understanding the Pre-Run Energy Surge

publish on July 29, 2026

Why do I feel energized before running? Learn why some days you feel unstoppable before a run and how your brain and body prepare you for peak performance.

What Most People Get Wrong About Their Body

Fitness Myths, Questions & Answers