Why is Hyrox so popular?
Why is Hyrox so popular right now? If you’ve scrolled through fitness feeds or talked with endurance-minded athletes lately, chances are you’ve seen Hyrox pop up again and again. The endurance race format that blends running with functional fitness stations is spreading fast across Europe, North America, and beyond. But what exactly makes Hyrox stand […]
Don’t waste a CrossFit metcon
At CrossFit Kreis 9, we love a good CrossFit metcon. Short for metabolic conditioning, a metcon is a workout designed to train the body’s ability to sustain effort under fatigue. These sessions are fast, sweaty, and high-intensity—the ones where you look around the room and realize everyone is digging deep together. Why do we use them? […]
Strength and power benchmarks everyone should hit
Most people think they recognise fitness. They see someone jogging three times a week and call them fit. They see someone slim, without overweight, and assume they’re fit. They see someone doing yoga and think that’s fitness too. But here’s the truth: those things alone don’t equal fitness. Real fitness is measurable, and if you […]
Fitness in 100 words explained
Fitness in 100 words: “Eat meat and vegetables, nuts and seeds, some fruit, little starch, and no sugar. Keep intake to levels that will support exercise but not body fat. Practice and train major lifts: deadlift, clean, squat, presses, C&J, and snatch. Similarly, master the basics of gymnastics: pull-ups, dips, rope climb, push-ups, sit-ups, presses […]
Looking fit vs. being fit: Why the difference matters
Looking fit vs. being fit is one of the biggest misconceptions in health and training. Walk into any gym, scroll through Instagram, or flip open a magazine, and you’ll see plenty of people who look fit. Visible abs, muscular arms, lean physiques—they all signal fitness to the eye. But here’s the truth: looking fit and being […]
What does BMI tell
What does BMI tell us about health and fitness? The Body Mass Index, or BMI, is one of the most widely used tools to assess whether someone’s weight is in a healthy range. It’s a simple calculation: weight divided by height squared. The resulting number places a person into categories such as underweight, normal weight, […]
How long does it take to change a habit
How long does it take to change a habit is one of the most common questions we hear from new members at CrossFit Kreis 9. Or actually, they ask us how long does it take to see a change. But as long as there is no new habit, the change will be only temporary. You may […]
VO2 max test – how to know where you stand
In our last post, we explained why VO₂ max is one of the most important measures for your long-term health and independence.Now, let’s get practical: how do you know where you stand? The answer is simple — take a VO2 max test. What a VO2 max test measures A VO2 max test tells you the maximum amount of […]
VO2 max – why it matters for your future
When we talk about fitness, we often focus on strength, body composition, or flexibility. But there’s another measure that might be even more important for your long-term health and independence: VO2 max. What is VO2 max? VO2 max stands for maximal oxygen uptake — the maximum amount of oxygen your body can use during intense exercise. Think of […]
Running injuries prevention: Why runners get injured—and how to fix it
Running is one of the simplest, most accessible ways to move your body — but it’s also why running injuries prevention is something every runner needs to understand. Studies show that up to 80% of runners get injured every year. The good news? Most of these injuries are preventable—and strength training is the missing link. Why runners get […]