Here is the thing nobody says clearly enough: the week you missed cost you almost nothing. What costs you is what happens next.
What actually happened to your body
Very little. Detraining is slow, much slower than the internet implies. A week off does not meaningfully reduce muscle. Two weeks barely does. What you lose fastest is coordination and confidence — the bar feels strange, the movement feels less automatic — and both come back inside a session or two.
The soreness you get from your first session back is not evidence of lost fitness either. It is evidence that you did something less familiar than usual, which is exactly what you would expect.
Almost everybody overestimates the physical cost of time off and underestimates the psychological cost of treating it as a failure. Only one of those actually ends training careers.
The restart trap
Here is the pattern, and it is remarkably consistent:
- A week gets missed — illness, work, a child, a holiday.
- The week feels like it broke something.
- Coming back therefore has to be significant: a fresh start, a new programme, an extra-hard session to make up for it.
- That session is miserable, or it hurts, or the new programme demands more than the life that just interrupted the old one.
- Another week gets missed. Now it is a fortnight, and a fortnight is much easier to abandon than a week.
Nothing in that sequence is caused by the week off. All of it is caused by the meaning attached to the week off.
Decide the first session back in advance
This is the whole intervention, and you should do it now rather than in the moment, because in the moment you will either punish yourself or skip it.
The rule: your first session back is the last session you completed, at ninety percent of the weight, and you stop when it is done.
Not a test. Not a fresh start. Not a make-up session. The same session you already know you can do, slightly lighter, finished on time. It will feel unsatisfying, which is the point — unsatisfying sessions are ones you can repeat on Thursday.
Then just continue
Pick up the programme where you left it. Not where the calendar says you should be. Progression is driven by sessions completed, not by weeks elapsed, so a missed week moves everything a week later and changes nothing else.
If you kept a log, this is trivial — you can see exactly what the last session was. If you did not, this is the argument for keeping one: not for the numbers, but so a gap does not require a decision.
The urge to “make it up” is the most expensive instinct in training. Two sessions in two days after a week off is how people arrive at their first real injury, which costs weeks rather than days.
When the week off is a signal
Sometimes a missed week is a scheduling accident. Sometimes it is information: the plan needs four sessions and your life reliably contains two. If you have missed weeks three times this quarter, the plan is wrong, not you — and the fix is to build a smaller week you can actually keep, not to try harder at the one that keeps breaking.
The one thing to take away
There is no such thing as starting over. There is only a gap in a record that otherwise continues. Do the last session again, slightly lighter, and the gap closes behind you.