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CLEM FITNESS BLOG

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3 summer holiday workouts
You don't need to spend your holiday searching for a gym. These three simple workouts require little to no equipment and can be done almost anywhere, helping you stay active without letting exercise take over your trip.
Aug 24


Does fasted cardio burn more fat?
Does exercising on an empty stomach really help you burn more body fat? We break down the science behind fasted cardio, including fat burning, muscle loss, calorie balance and the best time to do cardio for fat loss.
Aug 16


Will Heavy Weights Make You Bulky? The Science Says No
Will lifting heavy weights make you bulky? Short answer: no. Building significant muscle takes consistent training, progressive overload, nutrition, recovery, and time. In this article, we'll break down the science behind muscle growth and explain why you shouldn't be afraid to lift heavy.
Aug 8


How to Use Lactate Threshold Heart Rate to Set Your Running Zones
Are you training in the right running zones? Instead of relying on estimated maximum heart rate formulas, learn how to use your Lactate Threshold Heart Rate (LTHR) to personalize your training. This guide explains what LTHR is, how to measure it, what each training zone is used for, and how to use them to improve your endurance and running performance.
Aug 5


6 Exercises That Will Make You Faster, Stronger, and More Athletic
Want to jump higher, sprint faster, and become more explosive? Discover six of the best power exercises for developing athleticism, complete with step-by-step technique guides and coaching tips. Whether you're an athlete or simply want to move better, these exercises will help you generate more force, improve coordination, and build real-world power.
Jul 24


How to Build Muscle: Henneman's Size Principle Explained
Every repetition you perform is controlled by your nervous system. But how does your body decide which muscle fibres to use? Henneman’s Size Principle explains how your brain recruits motor units, why the hardest reps matter most, and how concepts like mechanical tension, training close to failure, and progressive overload drive muscle growth.
Jul 12


Mallorca iron man 70.3 race recap
Ten years after a brutal Ironman experience left me injured and burnt out, I returned to long-course triathlon for the Mallorca Half Ironman. Here's how I trained while maintaining strength, how race day unfolded, and what I'll change to go sub-5 hours next time.
May 30


How to Improve Your 5K Time: The 2 Workouts That Matter Most
Struggling to improve your 5K time? This article breaks down a simple 6-week training approach using just two key workouts: speed work and long runs. You’ll also get a pacing guide and performance chart to help you understand where you are and how to get faster.
May 2


Gym Starter Checklist: How to Build Muscle and Stay Consistent
Starting the gym can feel overwhelming. In this post we're going to make it easy. There’s a lot of conflicting advice about workout programs, nutrition, and how to actually build muscle, and most people end up overcomplicating things or quitting after a few weeks. The truth is, getting results in the gym comes down to a few simple principles. This gym starter checklist will help you: Build muscle and strength Stay consistent with your workouts Avoid the most common beginner m
Apr 26


What Is FTP (Functional Threshold Power) And How to Improve It
FTP (Functional Threshold Power) is one of the most important metrics in cycling and triathlon training. It represents the highest power you can sustain for around an hour and acts as the foundation for setting training zones, pacing races, and tracking progress. In this article, you’ll learn what FTP is, how to test it, and the most effective ways to improve it using structured training.
Apr 23


10 best exercises for upper body strength
Building a strong upper body doesn’t come from doing more exercises but doing the right ones consistently and applying progressive overload. Some movements give you a far better return for the time and effort you put in. In this post, I’ll show you my top 10 go-to exercises to build strength in your chest, back, shoulders, and arms. These are all compound lifts, meaning they train multiple joints and muscle groups at once. They’re the foundation of strength. Isolation exerci
Apr 16


What is vo2 max and how to improve it
VO₂ max is one of the strongest indicators of cardiovascular fitness and long-term health. In this article, we break down what determines VO₂ max and how to train it using both interval workouts and long, steady-state cardio.
Feb 7
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