A90 Guides Library · 33 guides
Honest Fitness Guides.
No Fluff, No Affiliate Spin.
Everything we wish people knew before they started training. Pick a topic below, or search for exactly what you need.
Beginner
Beginner fitness guides to get past the first-month wall. Whether you feel out of place at a UK gym or need an exact plan for week one, start here.
How to Start Working Out
The complete zero-to-training guide: first week, progression and what to expect.
Read guideBest Fitness App for Beginners
What a beginner actually needs from an app, and how the options compare.
Read guideBeginner Gym Workout Plan (8 Weeks)
Exact exercises, sets and reps for your first 8 weeks in any UK gym.
Read guideGym Anxiety: Beginner's Guide
Walk into the gym with a plan and without the fear.
Read guideTraining science
The principles behind why plans work. Progressive overload, realistic timelines, splits and the science of strength, written to answer questions instead of sell you something.
How Long Until You See Results
The realistic week-by-week timeline most people don't tell you.
Read guideStrength Training For Fat Loss
Why lifting beats endless cardio for changing your shape.
Read guideBest Workout Split For Beginners
Full-body vs upper/lower vs push pull legs, demystified.
Read guideProgressive Overload Explained
The only rule that actually builds muscle and strength.
Read guideHow to Get Stronger
The complete guide to lifts, sets, reps and progression schemes.
Read guideCardio vs Weights for Fat Loss
What each actually does, and the hybrid plan that changes shape.
Read guideNutrition & supplements
The nutrition guides that decide whether your training turns into visible results. Exact protein targets, supplement advice with no hype, and UK-priced food examples so you can actually put it into practice.
Home training
Home training guides for people who want to build real muscle and strength without paying for a gym. Full plans, equipment tiers and progression rules that work in a spare bedroom.
Dumbbell Workout at Home (4-Week Plan)
A full 3-day dumbbell plan you can run at home in 45 minutes.
Read guideHow to Build Muscle at Home
The principles, weekly plan and equipment tiers that actually work.
Read guideHome Workout Plan UK
Progressive home plan with dumbbells, written for UK users.
Read guideBody & goals
Goal-specific guides: growing glutes, losing fat while keeping muscle, and the honest trade-offs behind common goals. Pick the outcome you actually care about.
How A90 works
The A90 product pages: what happens when you miss a session, how training and nutrition line up, how the plan moves between gym and home, and why the whole thing is built around consistency.
Adaptive Workout Plans
Move days, swap exercises and keep your phase when the week changes.
Read guideWorkout and Meal Plan in One
Training and nutrition built around the same goal, including gluten-free options.
Read guideBuilt for Consistency
Why adherence, not tracking, is the problem worth solving.
Read guideGym and Home Workouts
One continuous plan across gym, home and hybrid setups.
Read guideProgrammes & challenges
Full programmes and challenge breakdowns. The 90-day approach, structures for busy weeks, and how to run more than one goal at a time without breaking either.
How to Build a 90 Day Fitness Plan
Blocks, progression, recovery and nutrition across a full training block.
Read guideThe 90-Day Fitness Challenge
Why 90 days is the sweet spot for real transformation.
Read guideWorkout Plan For Busy People
A real-life-proof structure for 3 days a week.
Read guideApp comparisons
Head-to-head comparisons written by the A90 team. Honest breakdowns of how the popular fitness apps stack up, without affiliate spin.
A90 vs 75 Hard
An adaptive, ongoing training system vs the rigid 75-day challenge.
Read guideA90 vs Future App
Adaptive system vs 1:1 coach at a fraction of the price.
Read guideA90 vs Fitbod
Goal-led 90-day plan vs next-session generator.
Read guideBest Fitness App in 2026
Honest buyer's guide across the apps people actually use.
Read guideUK guides
UK-specific fitness guides with GBP pricing, PureGym and David Lloyd context, and NHS-aware advice. Written for people training in the UK, not the US.
Best Workout App for Beginners UK
GBP costs, gym vs home, and what UK beginners should look for.
Read guideBest Fitness App UK 2026
Honest comparison with GBP pricing for UK users.
Read guideUK Gym Membership Prices 2026
What you'll actually pay across PureGym, David Lloyd and home setups.
Read guidePureGym vs Home Workout
Cost, consistency and equipment compared for UK beginners.
Read guideCouch to 5K vs Strength Training
Should you run with the NHS plan or lift first? Honest answer.
Read guideNo More Restarts
Stop Reading, Start Training
Start a personalised 30, 60 or 90 day training phase built around your goals, schedule and equipment.
Free to download · 7 day free trial · Cancel anytime
Common questions
What are the best A90 guides for a total beginner?
Start with How to Start Working Out, the Beginner Gym Workout Plan (8 Weeks) and Gym Anxiety: Beginner's Guide. Together they give you a plan, the confidence to start it and a realistic view of the timeline.
Are the A90 fitness guides free?
Yes. Every guide on this page is free to read, with no email wall or hidden paywall. Nothing to install, nothing to buy.
Who writes the A90 Training Club guides?
The A90 team, drawing on coaching experience, peer-reviewed research and the questions our members actually ask us. We do not run affiliate roundups or paid placements.
Do you have UK-specific fitness guides?
Yes. See the UK guides section for content written with GBP pricing, PureGym and David Lloyd context and NHS-aware advice, not repurposed US content.
How long does each guide take to read?
Most A90 guides are 7 to 10 minute reads. Each card on this page shows the estimated read time so you can pick something that fits the moment.
Written by the A90 Training Club team
Back to A90