Progressive overload: what it is, how to apply it and what to do when you stall
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If you are still lifting the same weight as six months ago, you have trained to stand still. The five ways to progress, a week-by-week double progression example and what the studies say about whether you need to add kilos.
If in January you do 3 sets of 10 squats with 40 kg and in June you are still doing exactly the same, you have trained for six months to stand still. It is not a lack of effort: the body only adapts to what forces it to adapt. That principle has a name, progressive overload, and it is the difference between going to the gym and making progress at the gym.
This is a practical guide: what it is, the five ways to apply it (adding weight is only one), what the studies say about whether you need to add kilos, a complete week-by-week example and what to do when you stall.
What progressive overload is
It means gradually increasing the demands of training so the body has a reason to keep improving. The American College of Sports Medicine position stand on progression models (ACSM, 2009) puts it plainly: to keep adapting towards a specific goal, strength programmes have to be progressive.
The same document gives one of the most useful practical rules there is: when you can do one or two reps more than your target with a load, increase it by 2 to 10%. Kraemer and Ratamess (2004) add the nuance almost everyone forgets: progressing is not only adding weight, but varying the programme variables over time —exercises, sets, reps, rest, intensity— to keep advancing and avoid overtraining.
The five ways to progress (and when to use each)
| What you change | Example | Where it fits best |
|---|---|---|
| Load | From 60 to 62.5 kg with the same reps | Main lifts (squat, presses, deadlift) while technique holds |
| Reps | From 3×8 to 3×10 with the same weight | Isolation work, dumbbells with big weight jumps, home training |
| Sets | From 3 to 4 sets per exercise | When recovery is comfortable and you want more weekly volume |
| Quality and range | Going deeper or controlling a 3-second lowering | Beginners and exercises whose technique is still unstable |
| Density | The same work with slightly less rest | In moderation: cutting rest too much reduces performance |
Extra sets have a ceiling: useful training volume per muscle per week sits in a range, and going beyond it only adds fatigue. Rest should not be cut carelessly either: we explain it in how long to rest between sets.
Do you always need to add weight? What one study measured
This is the most interesting question on the subject, and it has an experimental answer. Plotkin and colleagues (2022) split 43 people with at least a year of lower-body training into two groups for 8 weeks: one progressed by adding load with fixed reps, the other by adding reps with a fixed load. Both did four sets of four leg exercises twice a week.
The result: both strategies worked. Rectus femoris growth slightly favoured the reps group and maximal strength slightly favoured the load group, with differences of little practical relevance. The takeaway for your training: if an exercise will not let you add weight (dumbbells that jump 2 kg at a time, machines with big plates, home training), adding reps is progressive overload too, as long as sets keep getting close to failure.
The simplest method: double progression
It combines both routes: you work within a rep range and only add weight when you reach the top of the range on every set. It is what most well-built programmes use, and what we recommend to anyone starting with a beginner routine.
| Week | Load | Reps per set | What comes next |
|---|---|---|---|
| 1 | 50 kg | 10 · 9 · 8 | Same weight, try to add reps |
| 2 | 50 kg | 11 · 10 · 9 | Same weight |
| 3 | 50 kg | 12 · 11 · 10 | Same weight |
| 4 | 50 kg | 12 · 12 · 12 | Top of the range on every set: add load |
| 5 | 52.5 kg | 9 · 8 · 8 | Back to the bottom of the range and repeat the cycle |
How much to add each time
The ACSM range (2-10%) works as a guide. In practice: 2.5-5 kg on squats and deadlifts, 1-2.5 kg on the bench and overhead press, and the smallest step your equipment allows on isolation exercises. If the jump is so big that it drops you below the range, stay at that load and keep adding reps or a set.
How to tell whether a set counts: reps in reserve
Progressing only helps if the sets are demanding. The most practical tool to measure that is the reps in reserve (RIR) scale: how many more reps you could have done with good technique. Zourdos and colleagues (2016) validated an effort scale based on it —a 10 means 0 in reserve, a 9 means 1, and so on— in 29 people, and found it closely tracked bar speed, especially in experienced lifters. Helms and colleagues (2016) then described how to use it to adjust the day's load.
The practical rule: finish most sets 1-3 reps short of failure. Why that margin works so well is explained in the rep range for hypertrophy.
The log is the tool. Without writing down the load, reps and effort of each set, progressive overload is an intention, not a method. A notebook is enough; what matters is checking it before every session so you know which number you have to beat.
When you stop progressing
Stalling for a few weeks is normal, especially after the first year. Before changing programme, check these in order:
- Sleep and food: sleeping little or eating in a deficit holds progress back more than any programme detail.
- Accumulated fatigue: if you perform worse for several sessions in a row, you probably need a deload week. We cover it in fatigue management.
- Technique: adding weight by cutting the range of motion is not progress, it is a different exercise.
- Constant changes: jumping between programmes every few weeks prevents progression from building up; it is one of the most common beginner mistakes.
Mistakes that look like progress but are not
- Trying to progress everything at once: more weight, more sets and less rest in the same week. Change one variable at a time.
- Using weight as the only gauge: one more rep with the same weight is real progress too.
- Expecting a straight line: progress comes in steps, with flat weeks in between, especially for intermediate and advanced lifters.
Progressive overload at home or without weights
With no plates to add, progression comes from the other levers in the table, and it works: the Plotkin study showed that adding reps gives results comparable to adding load. At home, the practical order is this:
- More reps until you reach about 20-25 per set close to failure.
- A harder variation once you pass that number: from incline push-ups to regular ones and then feet-elevated; from squats to Bulgarian split squats.
- More time under tension: lowering over 3-4 seconds or adding a pause at the bottom multiplies the difficulty without equipment.
- A weighted backpack or a resistance band when you run out of variations.
We develop it with examples in how to build muscle at home.
A template to log your progression
A sheet with these columns is enough to apply everything above without relying on memory:
| Column | What to write | What it is for |
|---|---|---|
| Exercise | Always the same name and variation | Comparing like with like week after week |
| Load | Kilos per side or total, always the same way | Knowing when to add weight |
| Reps | Those of each set, not the average | Seeing whether you hit the top of the range on every set |
| Effort (RIR) | How many reps you had left | Telling real progress from easy sets |
| Notes | Sleep, pain, technique changes | Explaining bad weeks without changing the plan |
How much of this turns into muscle, and how fast, is covered in how much muscle you can gain in a month. And if you would rather not keep count by hand, the Progrevia routine generator sets your sets, reps and effort week by week.
- American College of Sports Medicine. American College of Sports Medicine position stand. Progression models in resistance training for healthy adults. Medicine & Science in Sports & Exercise. 2009;41(3):687-708.
- Kraemer WJ, Ratamess NA. Fundamentals of resistance training: progression and exercise prescription. Medicine & Science in Sports & Exercise. 2004;36(4):674-688.
- Plotkin D, Coleman M, Van Every D, Maldonado J, Oberlin D, Israetel M, et al. Progressive overload without progressing load? The effects of load or repetition progression on muscular adaptations. PeerJ. 2022;10:e14142.
- Zourdos MC, Klemp A, Dolan C, Quiles JM, Schau KA, Jo E, et al. Novel resistance training-specific rating of perceived exertion scale measuring repetitions in reserve. Journal of Strength and Conditioning Research. 2016;30(1):267-275.
- Helms ER, Cronin J, Storey A, Zourdos MC. Application of the repetitions in reserve-based rating of perceived exertion scale for resistance training. Strength and Conditioning Journal. 2016;38(4):42-49.
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Frequently asked questions
What is progressive overload?
It means gradually increasing the demands of training —more load, more reps, more sets or better execution— so the body has a reason to keep adapting. Without it, training only maintains what you already have.
How often should you add weight?
When you can do one or two reps more than your target on every set. The American College of Sports Medicine then recommends increasing the load by 2 to 10%.
Can you apply progressive overload without adding weight?
Yes. In the study by Plotkin and colleagues (2022), progressing by adding reps with the same weight produced results comparable to adding load over 8 weeks. More sets, a fuller range of motion or a more controlled lowering also count.
What is double progression?
A method where you work within a rep range (for example 8 to 12) and only add weight when you reach the top of the range on every set. Then you drop to the bottom of the range with the new load and repeat the cycle.
Informational content based on the available scientific evidence: it does not replace advice from a healthcare professional. If you have an injury or a medical condition, or are pregnant, check with one before changing your training or diet.
