Resistance Training Plan 25 Minutes, One Set Revolution?
— 5 min read
In 2021, researchers examined single-set resistance training in male powerlifters and showed it can produce meaningful strength gains. You can build muscle and stay fit in just 25 minutes - just one set per exercise - with no long-form sets or wasted reps.
Hook
Last autumn, I was standing in the crowded hallway of a community gym in Leith, watching a group of retirees shuffle between the dumbbells and the treadmill. One of them, a spry 68-year-old named Margaret, completed a full-body routine in exactly twenty-five minutes, finishing with a single squat, a single press, and a single row - each performed once, to fatigue. When she slipped the weight back onto the rack, she smiled and said, “That’s all I need - no endless sets, just enough to feel stronger.” I was reminded recently that many of us cling to the myth that more is always better in the gym, yet the science behind single-set training tells a different story.
Strength training - also known as weight training or resistance training - is exercise designed to improve physical strength. It may involve lifting weights, bodyweight exercises, isometrics, and plyometrics. The traditional approach in most commercial gyms prescribes three to five sets per exercise, each ranging from six to twelve repetitions. But the one-set protocol flips that script, demanding only a single, effortful set per movement. The appeal is obvious: a quick full-body workout that fits into a lunch break or a busy morning schedule.
When I first heard about the one-set method, a colleague once told me that it sounded too simple to be effective. I decided to test it myself, documenting the experience over eight weeks. I paired the protocol with a balanced diet rich in protein - about 1.6g per kilogram of body weight - and recorded strength, muscle size, and subjective energy levels. The results were surprisingly encouraging.
During the first two weeks, my bench press improved by three kilograms, and my squat increased by five kilograms. By the end of the eight-week period, the gains plateaued but remained above baseline, mirroring the modest yet consistent improvements reported in the academic literature. The key is to push each single set to technical failure - the point where another repetition is impossible without compromising form. This forces the muscle fibres to recruit fully, stimulating hypertrophy and strength adaptations.
Why does this work? Functional capacity and strength can be enhanced by both endurance training and strength training. The effect of training on the body has been defined as the reaction to the imposed stimulus. A single set taken to failure provides a potent stimulus, especially when the load is sufficient to challenge the neuromuscular system. The underlying physiology is similar to that of multiple-set training; the difference lies in the volume of work and the recovery demands placed on the athlete.
Below is a simple comparison that illustrates the practical differences between the classic multiple-set approach and the one-set protocol I followed.
| Protocol | Time per Session | Typical Strength Gain | Muscle Hypertrophy |
|---|---|---|---|
| Multiple-set (3-5 sets) | 45-60 minutes | High (8-12% over 8 weeks) | High |
| One-set (single set to failure) | 20-30 minutes | Moderate (4-6% over 8 weeks) | Moderate |
These figures are not exact numbers from a single study; they reflect the general consensus found across several peer-reviewed papers, including the 2021 investigation by James J. on resistance training set configuration. The takeaway is clear: you sacrifice a small amount of maximal gain for a large reduction in time commitment.
Designing a 25-minute, one-set workout is straightforward. I built my routine around three compound movements - squat, bench press, and deadlift - each performed for one set of 8-12 repetitions, taken to technical failure. I added a single accessory exercise for the upper back (a bent-over row) and one for the core (a plank held until fatigue). The total workout time, including a brief warm-up and cool-down, consistently hovered around twenty-five minutes.
Here is a typical week:
- Monday: Squat, Bench Press, Bent-over Row, Plank
- Wednesday: Deadlift, Overhead Press, Pull-up, Side Plank
- Friday: Front Squat, Incline Bench, Face Pull, Bird-Dog
Each session begins with five minutes of dynamic stretching - leg swings, arm circles, and hip openers - to prime the joints and nervous system. After the single set of each movement, I rest for ninety seconds before moving to the next exercise. The rest interval is long enough to allow partial recovery but short enough to keep the heart rate elevated, contributing to a modest cardiovascular benefit.
One common misconception is that single-set training will not produce “real” muscle growth. In truth, when the set is taken to failure, muscle fibre recruitment mirrors that of higher-volume work. The primary difference is the total mechanical load accumulated across a session. For many people - especially those juggling work, family, and other commitments - the trade-off is worthwhile.
It is also worth noting that this protocol can be easily adapted for different goals. If your priority is endurance, you can increase the rep range to 15-20 while lowering the load. If you are aiming for maximal strength, keep the reps lower (4-6) and use heavier weights. The flexibility of the one-set model makes it suitable for athletes, beginners, and seasoned lifters alike.
While I was researching the broader context of efficient training, I came across a recent article in I’m a Personal Trainer, and These Are the Workout Apps I Actually Use, which highlighted how digital tools can streamline session planning. A simple timer app can cue you for the ninety-second rests, while a logbook app records load, reps, and perceived exertion, ensuring progressive overload over weeks.
Another practical tip I picked up from a veteran strength coach was to vary the exercise order every four weeks. This prevents the nervous system from adapting to a predictable pattern and encourages continual stimulus. For example, in month one I started with squats, but in month two I began the session with bench press, followed by the lower-body lift.
"When you train with a single set, you learn to focus on quality over quantity. It forces you to be present in every rep."
- Coach Darren McLeod, Edinburgh strength specialist
Years ago I learnt that consistency beats intensity when the latter is unsustainable. The one-set protocol excels in sustainability: it is quick, it feels achievable, and it reduces the mental barrier that many people associate with long gym sessions. In my own experience, I was more likely to stick with the programme for the full eight weeks than a traditional three-set split, simply because the time demand was realistic.
One comes to realise that the biggest obstacle to regular training is not the lack of equipment but the perceived lack of time. By embracing a time-efficient hypertrophy approach - a single, demanding set per movement - you can overcome that hurdle. The method aligns with modern lifestyle demands while still delivering measurable strength and muscle adaptations.
Key Takeaways
- One set to failure can drive measurable strength gains.
- Sessions last about twenty-five minutes, fitting busy schedules.
- Progressive overload remains essential for continued improvement.
- Exercise order rotation prevents adaptation.
- Digital tools help track load and rest intervals.
Frequently Asked Questions
Q: Can a single-set workout really build muscle?
A: Yes, when the set is taken to technical failure it recruits enough muscle fibres to stimulate hypertrophy, though gains may be slightly lower than high-volume programmes.
Q: How often should I perform the one-set routine?
A: Three sessions per week, with at least one rest day between them, allow adequate recovery while keeping frequency high enough for progress.
Q: Do I need special equipment for this plan?
A: No, a basic set of dumbbells or a barbell, a bench and a pull-up bar are sufficient for a full-body single-set routine.
Q: How should I progress the weight over time?
A: Increase the load by about 2-5% whenever you can complete the target rep range with good form, ensuring the set still ends in failure.
Q: Is this method suitable for beginners?
A: Yes, beginners can benefit from the simplicity and lower total volume, as long as they learn proper technique before loading heavy weights.