Heart Rate Variability (HRV). Watch face showing strained training status based upon HRV You’ve probably heard of Heart Rate Variability (HRV) by now - but how much do you really understand it? The History HRV was first detected in 1733 by Stephen Hales who noticed changes in arterial pressure linked to breathing. In 1847 Carl Ludwig noticed that the timing between individual heart beats varied alongside whether someone was inhaling, or exhaling. During inhalation (breathing in) heart rate...

Starting a career as a personal trainer in the UK is exciting. It’s a chance to turn your passion for fitness into a rewarding profession. The path is clear but requires dedication and the right qualifications. I’ll walk you through the essential steps to take to become a personal trainer in the UK, so you know exactly what to do. How to Become a Personal Trainer Becoming a personal trainer involves several key steps. First, you need to get the right qualifications. The fitness industry in...

Endurance Sports: Fueling Your Performance with Carbohydrates Endurance sports demand a lot from the body. One key factor that can make or break your performance is how well you fuel yourself during exercise. Carbohydrates are the main energy source for endurance athletes. But how much carbohydrate can you actually tolerate per hour? And how do energy gels fit into this picture? I’ll break down the science and practical tips to help you get the most from your carb intake during long workouts...