TrainingResistance training methods
Rest-Pause Training: Short Breaks Inside a Set
Quick Intro
Rest-pause training extends a set by taking a very short break, usually 10 to 20 seconds, once you cannot do another repetition, and then continuing with the same weight. A lifter might do 8 reps to near failure, rest 15 seconds, do 3 more, rest again and finish with 2 more. All the repetitions count as one extended set.
The Idea in Plain Terms
When a set ends because you cannot do another rep, the muscle has not used every resource. A pause of a few seconds lets part of the muscle’s fast-acting energy store come back. This is the phosphagen system, a small reserve in the muscle that supplies energy for brief, hard efforts and begins refilling within seconds. After 15 seconds, enough has returned for a few more reps at the same weight.
The extra repetitions are done while the muscle is already fatigued. The method is said to keep high-threshold fibers (the large fibers with the most growth potential) working for longer, and to add volume at a heavy load without needing a longer session.
There are two main versions:
- Single-set rest-pause. One heavy set to failure, followed by a few short pauses with more reps.
- Rest-pause between sets. A heavy set of 3 to 5 reps, a brief rest, and then another set at the same weight, repeated a few times.
Rest-pause differs from a drop set. A drop set lowers the weight after failure and keeps going without a break. Rest-pause keeps the weight the same and takes a short pause.
A Worked Example
A leg press rest-pause set, as an example:
| Stage | Detail |
|---|---|
| Main set | 10 reps to near failure at a challenging weight |
| Pause | Rest 15 seconds |
| Mini-set 1 | 4 more reps with the same weight |
| Pause | Rest 15 seconds |
| Mini-set 2 | 2 to 3 more reps |
After the whole set, rest 3 minutes. Most programs use one or two rest-pause sets per exercise and not more.
What the Research Shows
A 2019 study by Prestes and colleagues in the Journal of Strength and Conditioning Research compared rest-pause with traditional multiple-set training in trained men over six weeks. Strength gains were similar. Summaries of the study report greater thigh muscle thickness and leg press endurance with rest-pause, though the muscle size difference appeared at only one site, so it does not show a general advantage.
A later study compared rest-pause, drop sets and traditional sets with matched volume. It found similar growth across all three, with rest-pause producing larger gains in the back squat one-repetition maximum. A recent meta-analysis has reported that rest-pause was the only advanced method with a significant positive effect on hypertrophy, although the effect was small.
Overall, rest-pause appears to work about as well as other methods, with the main benefit being efficient use of time. It is not shown to add much beyond reasonable volume.
Who It Suits
- Experienced lifters with limited time.
- People who want to finish a final set with extra volume.
- Lifters using machines or stable exercises, where reaching failure is safe.
It is a poor match for beginners and for heavy free-weight lifts like squats and deadlifts to failure, where fatigue raises injury risk.
How to Use It
- Choose a stable exercise, such as a machine press, a leg press or a cable row.
- Take one set close to failure at a weight you can lift 6 to 10 times.
- Rest 10 to 20 seconds, then continue with the same weight until close to failure again.
- Do two or three pauses in total.
- Use it on the last set of an exercise, not every set.
Common Misunderstandings
It is not a new weight each time. The load stays the same.
It is not a necessity for growth, as the trials show regular sets also work.
It is not safe on every lift. Choose stable ones and use safety equipment where needed.
FAQ
How is rest-pause different from myo-reps? Myo-reps begin with an activation set of 12 to 20 reps, then use small mini-sets with brief rests. Rest-pause usually begins with a heavier set and fewer reps.
How long should the pause be? Commonly 10 to 20 seconds.
Does it build more muscle than normal sets? The evidence shows similar results, with small advantages in some measures.
How often can I use it? Once or twice per muscle group each week works for most people.
Where This Comes From
Prestes J and colleagues, 2019, comparison of rest-pause with traditional training for strength and hypertrophy in trained men (Journal of Strength and Conditioning Research). A follow-up comparing rest-pause, drop sets and traditional sets with equal volume (Enes and colleagues, 2021). A recent meta-analysis of advanced resistance training methods.
Related to: drop sets, myo-reps, cluster sets and the size principle. Exercises that suit rest-pause include Leg Press and Seated Cable Row.