How to get a six-pack: Here is what you need to know
When people ask how to get a six-pack, the conversation almost always starts with the old saying: “Abs are made in the kitchen.” And like most clichés, it’s true—but only partly. A visible six-pack is mostly a matter of body fat percentage. You could have the strongest abs in the world, but if they’re covered by a […]
CrossFit myths busted: What’s true and what’s just noise
There are plenty of CrossFit myths floating around—some amusing, others misleading, and a few downright harmful. These myths can scare people off before they’ve ever stepped foot in a gym or tried a single workout. If you’ve heard things like “You need to be fit to do CrossFit” or “It’s too dangerous,” this post is for you. […]
How to change eating habits? Nutrition part 4
How to change eating habits? You now understand why we eat, how much we need, and what we should be eating. But none of that matters unless we’re able to actually change how we eat—and stick with it. Changing eating habits isn’t about finding more willpower. It’s about understanding that habits are learned behaviors, and they can be reshaped with intention, patience, and […]
What should we eat? Nutrition part 3
Once we understand why we eat and how much to eat, the next big question is: what should we eat? There’s no shortage of opinions on this. From low-carb to plant-based to intermittent fasting, the internet is full of advice—and most of it promises quick results. But at CrossFit Kreis 9, we approach nutrition through a different lens: what does your […]
How much should we eat? Nutrition part 2
After understanding why we eat, the next logical question is: how much should we eat? This is one of the most common questions we hear—and one of the most misunderstood. People often look for exact numbers, rigid rules, or quick fixes. But the truth is, how much you need to eat depends on multiple factors: your body, your […]
Why do we eat? Nutrition part 1
Why do we eat? It sounds like a simple question. But when we look closer, the answer is more layered than we might think. Eating is not just about satisfying hunger. It’s a biological necessity, a nutritional responsibility, and a deeply human experience. At CrossFit Kreis 9, we know that before talking about what or how much to eat, […]
Why we chose to be a coaching gym
Choosing to be a coaching gym wasn’t a branding decision—it was a commitment to deliver the highest value possible to our members in the time they have. Because in a world where everything from workout plans to meal suggestions can be done by AI, one thing hasn’t changed: no one gets fitter without putting in the work themselves. […]
Client Success Story: Alperen
From HIIT fatigue to long-term strength: How Alperen found progress through coaching, curiosity, and consistency “I’m a curious person by nature,” says Alperen Tügen, a 30-year-old doctoral researcher in Physics at ETH Zurich. “I experiment for a living — and I love experimenting in life, too.” That curiosity is exactly what led him to CrossFit […]
Are you skipping zone 2 training?
When we talk about fitness, flashy usually wins. Heavy barbells, intense metcons, maximal lifts, and advanced gymnastics often steal the spotlight. But behind every sustainably fit, healthy, and high-performing body lies a quiet, often ignored foundation: basic conditioning—also known as Zone 2 training. And if you’re skipping it, you’re missing a crucial piece of your long-term health […]
Why high-intensity training matters—and how CrossFit gets it right
If you’ve been exercising regularly but feel like you’re stuck in a plateau—or if you’re new to fitness and want the biggest return on your time—there’s one approach backed by both science and experience: high-intensity training. High-intensity training isn’t just another fitness trend. It’s a highly effective way to build strength, improve endurance, sharpen your brain, […]