The Fittux Journal for Fitness & Outdoor Performance

Why Are My Muscles So Shaky When I Work Out? - Fittux

Why Are My Muscles So Shaky When I Work Out?

Muscles shaking during exercise is normal. Here’s why it happens, what it means for strength and fatigue, and how to reduce twitching while training harder.

Why Are My Muscles So Shaky When I Work Out?

Muscles shaking during exercise is normal. Here’s why it happens, what it means for strength and fatigue, and how to reduce twitching while training harder.

How to Get Into Trail Running in the UK? - Fittux

How to Get Into Trail Running in the UK?

Trail running in the UK is more accessible than most people realise. This guide explains how to get started, where to run, what kit you need, and how to progress...

How to Get Into Trail Running in the UK?

Trail running in the UK is more accessible than most people realise. This guide explains how to get started, where to run, what kit you need, and how to progress...

What Is the Offside Rule in Simple Terms? - Fittux

What Is the Offside Rule in Simple Terms?

The offside rule explained simply without confusion. Understand what offside means, what counts as offside, why the rule exists and how it works in real match situations.

What Is the Offside Rule in Simple Terms?

The offside rule explained simply without confusion. Understand what offside means, what counts as offside, why the rule exists and how it works in real match situations.

How Long to See Progress in the Gym? - Fittux

How Long to See Progress in the Gym?

Wondering how long to see progress in the gym? This in-depth guide breaks down the timeline from day one to one year, explaining when changes appear and why consistency wins.

How Long to See Progress in the Gym?

Wondering how long to see progress in the gym? This in-depth guide breaks down the timeline from day one to one year, explaining when changes appear and why consistency wins.

How Many Sit-Ups Can the Average Person Do in 1 Minute - Fittux

How Many Sit-Ups Can the Average Person Do in 1...

Most people don’t know their true one-minute sit-up score until they test it. This guide explains averages, technique, variations and how to dramatically improve your sit-up performance.

How Many Sit-Ups Can the Average Person Do in 1...

Most people don’t know their true one-minute sit-up score until they test it. This guide explains averages, technique, variations and how to dramatically improve your sit-up performance.

What Cardio Burns the Most Fat? - Fittux

What Cardio Burns the Most Fat?

The real answer to what cardio burns the most fat isn’t a single workout but a strategy. Learn how training zones, steady-state cardio, HIIT, and low-impact methods transform fat loss...

What Cardio Burns the Most Fat?

The real answer to what cardio burns the most fat isn’t a single workout but a strategy. Learn how training zones, steady-state cardio, HIIT, and low-impact methods transform fat loss...

Performance Standards, Training & Exploration

The Fittux Journal is your structured resource for fitness, sport and performance. We cover strength standards, race benchmarks, endurance pacing, hybrid competition formats and practical nutrition guidance that supports real-world training.


Whether you’re building toward a faster 5K, lowering your half marathon time, improving strength under fatigue or preparing for sport events such as HYROX, Tough Mudder or structured hybrid races, you’ll find clear, measurable guidance here.


Our articles break down practical performance questions — from defining a good half marathon time to fuelling properly for endurance efforts. We provide race pace calculators, strength reference points and structured training frameworks designed to replace guesswork with progression.


For outdoor athletes, we explore conditioning strategies for hiking and unpredictable terrain. For those focused on nutrition, we examine recovery, protein intake and sustainable fuelling habits that support long-term development rather than short-term hype.


Performance extends beyond numbers. We also share practical gear insights — breathable training apparel, durable outer layers and everyday essentials that support consistent output across training and sport.


Whether you’re chasing a new personal best, building aerobic depth, refining your nutrition or developing strength that translates beyond the gym floor, the Fittux Journal delivers disciplined guidance without noise.