Strength8 min read
How to get stronger: what actually builds strength
Getting bigger and getting stronger overlap, but they are not the same goal. Muscle grows across a wide range of loads and rep ranges. Maximal strength — the heaviest weight you can lift once — responds most to lifting heavy weights, and to practising the specific lift you want to improve.
The short answer
To get stronger, regularly practise the lifts you want to improve with heavier loads, usually sets of about 1 to 6 reps, and add weight gradually over time. Heavy and moderate loads improve one-rep-max strength more than light loads, even though muscle growth is similar across loads (Lopez et al., 2021).
- Longer rests between heavy sets help you repeat heavy efforts.
- Muscle still matters for long-term strength, so lighter assistance work has a place.
Is training for strength different from training for size?
, 2021). This is why strength athletes, such as those who compete in powerlifting, spend much of their time with sets of fewer reps.
Why heavier loads build strength
, 2017). Part of the reason is practice: lifting heavy weights is itself a skill, and the more often you handle heavy loads with good technique, the better you get at producing force in that movement.
| Type of work | Typical reps | Why |
|---|---|---|
| Main lifts (e.g. squat, bench, deadlift) | 1 to 6 | Practises heavy loads on the lifts you want to improve. |
| Close variations (e.g. paused bench, Romanian deadlift) | 4 to 8 | Builds the same movement with a slightly different demand. |
| Assistance exercises (e.g. rows, lunges) | 6 to 12 | Builds muscle and balances the main lifts. |
How often should you train a lift to get stronger?
, 2026). In practice, spreading your sets for a lift across two or three sessions a week is an easy way to practise it more often without making any one session exhausting.
How hard should strength sets be, and how long should you rest?
Heavy sets rarely need to reach failure. Stopping with one to three reps in reserve lets you keep technique consistent and repeat the effort next set. , 2016).
Rest long enough to repeat your performance. , 2016). After heavy sets on big lifts, several minutes is common and reasonable.
How do you keep getting stronger?
Step 1
Record your sets
Write down weight, reps and reps in reserve so you know what to beat.
Step 2
Add weight in small steps
When all sets are completed with good technique, add a little weight next time.
Step 3
Estimate, don't always test
A one-rep-max estimate from a hard set of 3 to 5 tells you most of what a true max would, with less risk.
Step 4
Keep building muscle
Lighter assistance work builds muscle that supports long-term strength.
Progression models for healthy adults have long recommended gradually increasing load as you adapt (American College of Sports Medicine, 2009). The exact numbers matter less than doing it consistently and honestly.
People also ask
What rep range is best for strength?
Heavier sets of about 1 to 6 reps are the most direct way to build maximal strength, but lighter assistance work still helps by building muscle.
Can you get stronger without getting bigger?
Yes, to a degree. Early strength gains come partly from getting better at the lift itself, so strength can rise faster than muscle size, especially in beginners.
Do you have to train to failure to get stronger?
No. Most strength training stops with one to three reps in reserve so technique stays consistent and heavy sets can be repeated.
How often should you test your one-rep max?
Rarely. An estimate from a hard set of 3 to 5 reps gives a useful figure for planning without the risk and fatigue of a true maximum.
Scientific References & Evidence
- American College of Sports Medicine (2009) 'Progression models in resistance training for healthy adults', Medicine and Science in Sports and Exercise, 41(3), pp. 687-708. doi: 10.1249/MSS.0b013e3181915670. Available at: https://pubmed.ncbi.nlm.nih.gov/19204579/
- Helms, E.R., Cronin, J., Storey, A. and Zourdos, M.C. (2016) 'Application of the repetitions in reserve-based rating of perceived exertion scale for resistance training', Strength and Conditioning Journal, 38(4), pp. 42-49. doi: 10.1519/SSC.0000000000000218. Available at: https://doi.org/10.1519/SSC.0000000000000218
- Lopez, P., Radaelli, R., Taaffe, D.R., Newton, R.U., Galvão, D.A., Trajano, G.S., Teodoro, J.L., Kraemer, W.J., Häkkinen, K. and Pinto, R.S. (2021) 'Resistance training load effects on muscle hypertrophy and strength gain: systematic review and network meta-analysis', Medicine & Science in Sports & Exercise, 53(6), pp. 1206-1216. doi: 10.1249/MSS.0000000000002585. Available at: https://doi.org/10.1249/MSS.0000000000002585
- Pelland, J.C., Remmert, J.F., Robinson, Z.P., Hinson, S.R. and Zourdos, M.C. (2026) 'The resistance training dose response: meta-regressions exploring the effects of weekly volume and frequency on muscle hypertrophy and strength gains', Sports Medicine, 56(2), pp. 481-505. doi: 10.1007/s40279-025-02344-w. Available at: https://link.springer.com/article/10.1007/s40279-025-02344-w
- Schoenfeld, B.J., Pope, Z.K., Benik, F.M., Hester, G.M., Sellers, J., Nooner, J.L., et al. (2016) 'Longer interset rest periods enhance muscle strength and hypertrophy in resistance-trained men', Journal of Strength and Conditioning Research, 30(7), pp. 1805-1812. Available at: https://pubmed.ncbi.nlm.nih.gov/26605807/
- Schoenfeld, B.J., Grgic, J., Ogborn, D. and Krieger, J.W. (2017) 'Strength and hypertrophy adaptations between low- vs. high-load resistance training: a systematic review and meta-analysis', Journal of Strength and Conditioning Research, 31(12), pp. 3508-3523. doi: 10.1519/JSC.0000000000002200. Available at: https://pubmed.ncbi.nlm.nih.gov/28834797/
- Schoenfeld, B.J., Grgic, J., Van Every, D.W. and Plotkin, D.L. (2021) 'Loading recommendations for muscle strength, hypertrophy, and local endurance: a re-examination of the repetition continuum', Sports, 9(2), article 32. doi: 10.3390/sports9020032. Available at: https://doi.org/10.3390/sports9020032
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Educational information for adults aged 18 and over. It does not diagnose, treat or manage any medical condition. If you have a health condition, or symptoms that worry you, speak to your doctor or a health professional.