![Why the First 10 Minutes of Cardio Feels So Hard (And How It Gets Easier) [Part #2]](https://papayaya.ch/wp-content/uploads/2025/03/a6fhrohuq9o-1080x675.jpg)
by Iwona | Mar 7, 2025 | Training Science for Everyday People
Have you ever wondered why the first 10 minutes of your run, bike ride or swim feel so awful? Picture this – you’re in the the perfect running mindset, put on your shoes, music in your ears, start jogging and – within moments your legs feel heavy,...
![Why Do You Feel Exhausted After Just 20 Seconds of HIIT? The Science Behind That Sudden Burn [Part #1]](https://papayaya.ch/wp-content/uploads/2025/02/ohmyjiiaovs-1080x675.jpg)
by Iwona | Feb 25, 2025 | Fitness Hub, Training Science for Everyday People
Your body isn’t failing you – it’s just working through its energy systems! Have you ever felt completely wiped out after just a few seconds of jump squats or burpees? Even if you are fit, your body has limits when it comes to high-intensity exercise. Find out...
by Iwona | Feb 14, 2025 | Nutrition Hub, Real-Life Nutrition for Busy People
The truth about caffeine, sports performance and whether you should cut back on it I get it – coffee is life. The smell, the warmth, that first glorious sip in the morning… it’s a daily ritual. But as a personal trainer and nutrition coach I hear it all the time...
by Iwona | Feb 9, 2025 | Healthy Habits Hub, Smart Productivity for Health & Fitness
Build a Habit, Not Just Motivation – Here’s How Same old story, right? One missed workout turns into two, then three, and before you know it, it’s been ages since you’ve exercised. Life happens – we get ill, we work hard, we stress a lot, go on...
by Iwona | Feb 5, 2025 | Nutrition Hub, Weight Loss Without the Nonsense
Stop stressing over the scale! Here’s what’s really happening when your weight jumps overnight. As a personal trainer and nutritionist at Papayaya Fitness I often hear complaints from clients who are devastated by an unexpected jump on the scale. They’ve been training...
