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StrongLifts 5x5 Explained
StrongLifts 5x5 is the program most people mean when they say "5x5". Two workouts, three days a week, and a bigger number on the bar every single time you train. It is the fastest way a beginner gets strong, and it is designed to stop working.
Where it comes from
The 5x5 is much older than the app that made it famous. Reg Park was training five sets of five in the 1950s; Bill Starr formalised it for American football players in The Strongest Shall Survive in 1976. StrongLifts 5x5 is Mehdi Hadim's packaging of that lineage into something a complete beginner can follow on their first day in a gym, and its popularity is mostly down to how little it asks you to decide.
The two workouts
There are only five lifts and only two sessions.
The squat is in every session, three times a week. The deadlift is one set of five, once a week, because five sets of five deadlifts on top of three squat days is not something anybody recovers from.
Why per session, not per week
This is the part that matters and the part people miss. StrongLifts adds weight EVERY workout: five pounds on the upper-body lifts, ten on the squat and deadlift. Not every week. Every workout. Three sessions a week means the squat climbs three times a week, which on paper is thirty pounds a week and in practice is why a beginner can add a hundred pounds to their squat in a few months.
It also tells you exactly when the program is finished. Nothing climbs at that rate forever, and the whole design assumes you will stall. That is not a failure of the program, it is the program working through to its end.
Missing reps, and the deload
When you miss reps, you repeat the weight next time rather than pushing on. Miss three times on the same lift and you cut ten percent and climb back up, which usually gets you past the sticking point because the second run at it comes with better technique and more accumulated work. If you find yourself deloading the same lift over and over, that is the signal the program has given you what it has to give.
When to leave it
A novice linear progression ends when you can no longer recover from one session to the next. The usual next step is a weekly progression rather than a per-session one, which is exactly what the Texas Method is, or a training-max program like Wendler 5/3/1. If you want more volume and more lifts while staying on a linear progression, GZCLP is the natural sideways move.
| StrongLifts 5x5 | Classic 5x5 in Ægir Iron | |
|---|---|---|
| Progression | Every session | Every week |
| Sessions | 3 per week, A and B alternating | 3 per week, A and B alternating |
| Best for | A true beginner, or a fast comeback | Somebody who wants the same lifts at a gentler climb |
Running StrongLifts in Ægir Iron
StrongLifts is written in pounds added to the bar, and no template can know what is on your bar, so Ægir Iron carries the same climb as a percentage step off your max instead. You pick where to start and how fast it climbs, and every set is priced and rounded to the plate. The climb stops at ninety five percent of your max, because a program that promised you more than your own max in week eleven would just be wrong. Nothing is flagged as an all-out set, because on StrongLifts the answer to a missed rep is the deload, not a bigger jump.