Yes, on the current evidence: in trained men, myo-reps built about the same muscle and strength as straight sets over eight weeks, in shorter sessions3. The time saved is the main difference. Extra growth is not.
That is one small trial, so this article also looks at the wider family of rest-pause methods that myo-reps belongs to.
What myo-reps are
Straight sets are the traditional way: a full set, a full rest of a minute or more, then another full set. Myo-reps are a rest-pause method. In the common form, you do one "activation" set close to failure (the point where no further rep is possible), rest a few breaths, then do short mini-sets of a few reps with the same load, separated by the same short rests. The idea is to keep the muscle working near failure without long pauses.
The 2026 trial's exact myo-reps protocol is not described in its abstract, which is all we could read. The description above is the general one.
Volume load is the total work lifted: sets × reps × load. It is a common way to compare how much work two programmes contain.
What was studied
The main test comes from a 2026 study in resistance-trained men, in two parts3:
| Part | Who | What | Measured |
|---|---|---|---|
| Acute | 9 trained men, each did both | one session of myo-reps and one of straight sets, bench press | session time, muscle activity (EMG), bar speed |
| Training | 22 trained men, two groups | 8 weeks, twice a week: flat bench, incline bench, cable fly | muscle size, strength, volume load |
EMG (electromyography) reads how strongly a muscle is firing through sensors on the skin. Bar speed was measured with a sensor attached to the bar.
In plain terms: one session to see how the methods feel and how long they take, then eight weeks to see what they build.
What the studies found
The single session. Session duration differed significantly between the two methods, while muscle activity and bar speed did not3. The abstract gives the direction through its title and conclusion ("in less time"), not the minutes.
Eight weeks. Both groups gained muscle size and strength, with no differences between groups3. The myo-reps group lifted about 30% less volume load than the straight-sets group. The authors concluded that myo-reps "can still be a viable option to achieve similar results in less time."
How much time? The 2026 abstract does not give minutes. An earlier rest-pause trial does. In a 6-week study of 18 trained adults, one group did three sets of six reps at 80% of 1RM with 2–3 minutes' rest; the other did one set to failure at the same load, then 20-second rests and more reps until it reached 18 reps1. As described in a 2021 review, sessions averaged 57 minutes for straight sets and 35 for rest-pause2. Strength gains did not differ significantly between groups1.
Average session time: straight sets vs rest-pause · min
In plain terms: similar results, less work lifted, less time spent, in small trials of trained people.
Is less volume load a problem?
It sounds odd that 30% less work built the same muscle. Two ideas fit, and neither was tested in the trial.
First, volume load counts all reps equally. Muscle growth research tends to count hard sets, those close to failure (see do you have to train to failure). Mini-sets after short rests start close to failure, so nearly every rep in them is a hard rep. Much of the extra volume load in straight sets comes from early reps far from failure.
Second, with short rests you cannot lift as many total reps with the same load, so lower volume load is expected from the method itself. The same pattern applies to supersets and other time-saving methods.
In plain terms: less total tonnage, but a similar number of hard reps, is our reading of why the results matched. It is an explanation, not a finding.
How rest-pause methods compare overall
A 2026 meta-analysis grouped "rest-pause or myo-repetition methods" with other advanced techniques (drop sets, cluster sets, tempo work and more) and compared them with straight sets in recreationally trained adults aged 18 to 454. It pooled 20 trials of the 24 it reviewed. A meta-analysis combines many trials into one estimate; g is a standardised effect size, where 0 means no difference.
For growth, advanced methods and straight sets were level: g = 0.046 (95% CI −0.057 to 0.149)4. For maximal strength, advanced methods came out ahead: g = 0.351 (0.170 to 0.533). Rest-pause showed a modest hypertrophy advantage in the method breakdown, which the authors framed cautiously because rest-pause trials in trained adults are few.
Advanced set methods vs straight sets: pooled effects · g
The picture is mixed at the level of single trials. In the 2019 rest-pause trial, thigh thickness rose more in the rest-pause group (11% vs 1%), but the spread was wide (±14% and ±7%)1. A 2021 review saw these techniques as saving roughly half the training time while keeping training volume, and as "probably better at inducing hypertrophy than muscular strength", noting that more long-term research is needed2.
In plain terms: rest-pause methods, myo-reps included, look like a time saver that keeps pace with straight sets. Any extra muscle rests on a handful of small trials, and the direct myo-reps trial found none. For how rest-pause compares with drop sets, see rest-pause vs drop sets.
The studies at a glance
| Study | Who was studied | Key result | Year |
|---|---|---|---|
| Prestes et al., *J Strength Cond Res*1 | 18 trained adults, rest-pause vs straight sets, 6 weeks | Similar strength gains; more thigh thickness with rest-pause (wide spread) | 2019 |
| Iversen et al., *Sports Med*2 | Narrative review of time-efficient training | Advanced techniques roughly halve time; 57 vs 35 min in the rest-pause trial | 2021 |
| Bradshaw et al., *J Strength Cond Res*3 | 22 trained men, myo-reps vs straight sets, 8 weeks | Similar size and strength; about 30% less volume load; shorter sessions | 2026 |
| Tsartsapakis et al., *J Funct Morphol Kinesiol*4 | 20 pooled trials, trained adults 18–45 | Growth level (g 0.046); strength favoured advanced methods (g 0.351) | 2026 |
Limits worth knowing
- One direct trial, 22 men. Small groups can miss a modest difference in either direction.
- Chest only, eight weeks. Three chest exercises; legs, back and longer periods were not tested.
- Men only. The 2026 trial studied men; the meta-analysis authors call for more studies in women.
- Protocol unknown. The 2026 abstract does not describe the myo-reps sets, rests or loads, nor the size and strength measures or minutes saved.
- Abstract only. We read the 2026 myo-reps trial and the 2019 rest-pause trial as abstracts. The 2026 meta-analysis and the 2021 review were read in full.
Latest research
The newest study is the myo-reps trial itself, published in the *Journal of Strength and Conditioning Research* in June 20263. It is the first trial we found that named myo-reps specifically. It fits the 2026 meta-analysis of advanced methods4: similar growth to straight sets, with the benefit mostly in time.
The short version
- Myo-reps matched straight sets for muscle size and strength in trained men over eight weeks.
- They used about 30% less volume load and shorter sessions.
- Across advanced methods as a group, growth was level with straight sets and strength favoured the advanced methods; rest-pause alone showed a modest growth edge in few trials.
- The direct evidence is one small, chest-only trial read as an abstract.
Educational overview only — not medical advice.
