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Reading training history before the first session
Programme Discussion · Topic 2

Why We Ask When You Last Trained

One of the first questions in every Programme Discussion.

BOXLAB
BOXLAB Head Coach
1 October 2026 · 4 min read · Cardiovascular fitness
Reading training history before the first session

It sounds like a simple question: when did you last train? But the answer, whether last month or last year, changes where your programme begins.

Fitness fades, but not all at once

When training stops, the body slowly gives back what it built. It doesn't lose everything at the same speed.

What fades first after you stop
HighLowStop4 weeks3 months1 year
Internal fitness (aerobic base) Strength & technique
Illustrative, not to scale

Internal fitness fades first. Your aerobic base, the heart-and-lungs fitness behind endurance, starts dropping within a few weeks of stopping. Strength holds on longer. Muscle strength and technique fade more slowly, and come back faster when training restarts.

So someone who stopped a year ago may still feel strong in the first session, while their heart is working much harder than it used to.

A month ago or a year ago

Trained a month ago

Build on it

Base mostly intact

A short warm-up phase, then the training picks up.

Trained a year ago

Rebuild the base

Base needs rebuilding

Endurance-focused first weeks, heart rate in a steady zone.

Starting both people at the same level would be either too easy for one or too risky for the other.

The muscles remember.

The heart needs time to catch up.

What you trained matters too

We also ask what your last programme was.

Strength-dominated

Weights & machines

Muscles ready for load, but cardiovascular fitness was never really trained.

Fitness-based

Running & classes

Often the other way round. The programme fills the gap, not repeats it.

This tells us which side of your fitness needs building first, so the programme fills the gap instead of repeating what you already have.

Why it protects you

The most common mistake after a break is restarting at the old level. The muscles remember, so it feels possible. But the internal fitness, the joints and the tendons need time to catch up.

Knowing when you last trained lets us set a starting point that rebuilds you steadily, so the first weeks build momentum instead of setting you back.

B
BOXLAB Head Coach, BOXLAB WORKOUT
EU-qualified sports scientist and professional boxer
Next · Topic 3
Why We Ask About Your Weight Before Choosing Your CardioSoon
The series · Cardiovascular fitness
  1. 01Why We Check Your Internal Fitness Before Your MusclesRead
  2. 02Why We Ask When You Last TrainedYou are here
  3. 03Why We Ask About Your Weight Before Choosing Your CardioSoon
  4. 04The Three Numbers We Read in Every Programme DiscussionSoon