A connected body-change plan combining nutrition, training and progress tracking

The Sustainable Body-Change Roadmap

The Sustainable Body-Change Roadmap

This is the Start Here guide for losing body fat, becoming stronger and building a system you can maintain around real life. It shows you what to focus on now rather than overwhelming you with everything at once.

Consistency

12 min read

A connected body-change plan combining nutrition, training and progress tracking

The Sustainable Body-Change Roadmap

This is the Start Here guide for losing body fat, becoming stronger and building a system you can maintain around real life. It shows you what to focus on now rather than overwhelming you with everything at once.

Consistency

12 min read

Start with a quick check, not a complete overhaul

A useful plan begins by separating your desired outcome from the factor currently having the greatest practical effect. The short check below identifies contributing factors, then asks you to choose one primary constraint to work on first.

THE SHORT ANSWER

Choose your current goal, answer three practical questions, select one primary constraint, take the smallest useful actions and reassess using trends rather than one day.

Find your current stage

You do not need to master every part of fat loss, nutrition and training at once. You need to identify the constraint that matters most now, take the smallest useful action and collect enough evidence to decide what comes next.

The stages below are not a judgement and they are not perfectly linear. Someone can train confidently while still needing a better eating system, or understand nutrition while struggling to make it survive weekends and busy periods.

Your daily energy total

Where your daily energy comes from

Your body uses energy at rest, through everyday movement, while processing food and during planned exercise. The balance is different for every person.

Illustrative share of TDEETotals 100%
BMR / RMR65% example

Resting energy

Keeps breathing, circulation, temperature regulation, organs and basic cell function running.

Often around 60–70%
NEAT17% example

Everyday movement

Walking, standing, work, errands, housework and other movement that is not planned exercise.

Highly variable
TEF10% example

Processing food

The energy used to digest, absorb and process the food you eat.

Often around 8–10%
EAT8% example

Purposeful exercise

The additional energy used during resistance training, running, sport and other planned activity.

Depends on training volume

The ranges are educational reference points. Further reading: non-exercise activity and TDEE and human energy-metabolism methods.

Use your result for one focused week

Complete the first three actions, use the one-week checklist and collect only the listed measures. Keep the rest of the plan stable, then reassess at the stated review point before adding more complexity.

Use graduation criteria, not perfection

A stage is ready to progress when the key behaviour is reliable enough to support the next decision, not when everything is perfect.

Stay with the current stage until the important behaviour is reliable enough to support the next step. That does not require flawless execution. It requires a method you understand, can repeat and can evaluate using useful evidence.

Reassess when the constraint changes

When the evidence changes, reassess the primary constraint and make the smallest useful adjustment.

If progress remains limited after a fair test, review implementation, data quality, environment, hunger, recovery, stress and schedule. Continue, simplify or change one variable. If the need is outside a coach's scope, seek an appropriately qualified professional.

Common mistakes

Practical checklist

Choose one current outcome
Identify the stage creating the greatest practical constraint
Write the constraint in one sentence
Choose one to three actions only
Make the actions easier through tools, planning or support
Decide what evidence will be reviewed
Set the review date
Continue, simplify, progress, adjust or seek appropriate support

Personalised support

If you can recognise the problem but cannot confidently choose or implement the next step, coaching turns this roadmap into a personal plan, monitors the evidence and adjusts it around your real circumstances.

JAMIE MUIR PERSONAL TRAINING

Practical resources for losing body fat, building muscle and making training easier to repeat in normal life.

The information on this site is general education only and is not medical advice. © 2026 Jamie Muir Personal Training.