Warm up sets help you build toward your working weight before the challenging part of your workout. Start light, practice the movement, and increase the load while reducing repetitions.
Think of them as your pre-battle equipment check. You want to reach the first working set feeling prepared, with energy left to train.
Original creator credit: This guide was inspired by Coach Nick (@thegainsmith)’s Instagram reel about warm-up sets. Credit for the original social post belongs to @thegainsmith. Garthux independently researched the explanation and developed the practical examples below. The creator of this reel has not reviewed or endorsed this article.
What are warm up sets?
A warm-up set is an easier practice set before your planned working sets. Working sets are the challenging sets prescribed for your session.
For example, suppose your first working set is a bench press with 100 pounds total. You could first practice with lighter loads, gradually approaching that weight.
This is different from testing your one-repetition maximum, or 1RM. That is the most weight you can lift once. You do not need a maximum test to use this guide.
Quick answer: Use lighter versions of the exercise, add weight gradually, and keep the sets comfortably short of failure. The exact sequence depends on your exercise, experience, and planned load.
Why warm up before lifting?
General movement and exercise-specific practice serve different purposes. The American Heart Association recommends warming up for five to ten minutes. Its guidance describes gradually increasing heart rate and breathing before aerobic activity.
For lifting, that easy movement can lead into lighter repetitions of the exercise you will perform. Walking alone does not rehearse your bench press setup or squat technique.
Direct lifting research supports this approach. In a 2021 study of 34 resistance-trained men, specific warm-ups improved first-set movement velocity during squat or bench press testing. Participants completed two lighter sets before three sets of six repetitions at 80% of 1RM.
However, this was a small, short-term study. It did not establish that every lifter needs the same sequence or that warm-ups directly increase long-term muscle growth.
PAP and PAPE are different measurements
The reel describes post-activation potentiation, commonly abbreviated PAP. In research, PAP usually refers to an increased muscle-twitch response measured using electrical stimulation.
A temporary improvement in a voluntary action, such as jumping or lifting, is usually called post-activation performance enhancement, or PAPE. A 2019 review by Blazevich and Babault explains that these effects have different time courses and potentially different mechanisms.
Therefore, a stronger-feeling set does not prove that you unlocked a hidden nervous-system reserve. Temperature, prior activity, fatigue, and other factors may influence performance.
Three minutes is not a universal peak
The best recovery interval depends on the conditioning activity and the task that follows. A 2022 upper-body PAPE review found improved ballistic bench-throw power after heavy bench pressing and eight to twelve minutes of recovery.
That protocol differs from a normal lifting warm-up. It shows why one three-minute rule cannot describe every exercise or training situation.
Furthermore, a 2025 meta-analysis covering 62 studies and 1,039 participants found small or trivial average PAPE effects, depending on the comparison. Evidence certainty was low, and results varied. Extra benefits were trivial after comprehensive warm-ups.
For most recreational lifters, the useful goal is straightforward: practice the lift, approach the load gradually, and avoid unnecessary fatigue.
A practical warm up sets example
This is an adaptable Garthux example, not a validated universal protocol. It is intended for generally healthy adults performing a familiar lift. The percentages below refer to your planned working weight, not your 1RM.
After easy general movement, begin with an unloaded or very light version if needed. Then use the following as a starting framework.
| Stage | Planned working weight | Repetitions | If the working weight is 100 lb |
|---|---|---|---|
| Light practice | About 50% | 6–8 easy reps | About 50 lb |
| Build toward the load | About 70% | 3–5 easy reps | About 70 lb |
| Optional final preparation | About 85–90% | 1–2 smooth reps | About 85–90 lb |
| First working set | 100% | Your planned repetitions | 100 lb |
For barbells, count the bar and plates together. For dumbbells, use the same convention throughout, such as pounds per hand. The percentages work equally with kilograms.
Round to equipment you actually have. Skip duplicate loads when rounding produces the same weight. If an empty bar is already too heavy, choose a lighter implement or suitable exercise variation.
The optional final set is most useful when a substantial load increase remains. A light accessory exercise may need fewer steps. Very heavy lifting may require additional gradual steps and qualified coaching.
There is research behind controlling warm-up volume. A 2024 study of 15 men with lifting experience compared warm-ups using 40%, 60%, or 80% of their ten-repetition maximum. These used 15, 10, or five repetitions, respectively. The heavier, shorter condition produced greater total training volume.
Because both load and repetitions changed, that study cannot isolate weight as the only explanation. It also did not test the exact table above.
How long should you rest between warm-up sets?
As a practical starting point, allow roughly 30–60 seconds after very easy sets. Allow around one to two minutes as the load rises.
Before a challenging first working set, two to three minutes may be a useful starting interval. Rest longer if your breathing or movement control has not recovered. These are editorial starting ranges, not proven optimal intervals for everyone.
Do not rush because a timer has finished. Equally, you do not need to copy an advanced PAPE experiment for an ordinary training session.
Common warm-up mistakes
- Turning preparation into a workout: Reduce repetitions or add rest if warm-up sets leave you struggling before training begins.
- Confusing working weight with maximum weight: Check what a percentage refers to before loading the bar.
- Chasing speed at the expense of control: Keep your setup and technique consistent. Smooth repetitions matter more than reckless movement.
- Forcing the planned load: Treat an unusually difficult warm-up as information. Reassess the working weight instead of forcing it.
- Expecting injury protection: Preparation does not guarantee safety. A 2015 upper-body warm-up review found no eligible injury-prevention studies. That evidence gap does not establish that warming up has no protective value.
Make your next session easier to repeat
Record the exercise, warm-up weights, repetitions, rest intervals, and how the first working set felt. Compare similar sessions before changing the sequence.
Use the Garthux Workout Planner to organize your routine and the exercise library to explore movement options. Keep warm-up notes distinct from working sets in your training record.
Your next quest: choose one familiar exercise and write down its preparation sequence. Adjust one detail at a time as you learn what helps you feel ready.
Warm up sets FAQ
Do beginners need three warm-up sets for every exercise?
No fixed number suits everyone. Beginners using light loads can start with easy movement practice and a smaller progression. Ask a qualified trainer for help with unfamiliar lifts.
Should warm-up sets go to failure?
For the preparation approach described here, finish while several good repetitions still feel available. Save challenging efforts for the planned working sets.
Do warm-up sets build muscle?
Easy preparation sets are not a replacement for your planned training. The studies discussed here mainly examined immediate performance, rather than long-term muscle growth.
Can I use this approach with dumbbells or machines?
Yes, the principle can be adapted to available resistance. Use manageable jumps and fewer repetitions as the load increases. Equipment numbers do not always represent comparable resistance between machines.
Sources and original inspiration
- Original inspiration: Coach Nick (@thegainsmith), Instagram warm-up reel. Creator credit is separate from scientific evidence.
- Ribeiro et al. (2021). Specific warm-up and squat/bench press movement velocity. Original study.
- Viveiros et al. (2024). High-load, low-volume warm-up and training performance. Original study.
- Blazevich and Babault (2019). PAP versus PAPE: definitions and mechanisms. Narrative review.
- Finlay et al. (2022). Upper-body PAPE and athletic performance. Systematic review and meta-analysis.
- Xu et al. (2025). Optimizing PAPE: prescription variables and research methods. Systematic review and meta-analysis.
- McCrary et al. (2015). Upper-body warm-up, performance, and injury evidence. Systematic review.
- American Heart Association. Warm Up, Cool Down. General activity guidance.
Research checked October 31, 2026. Prepared with AI assistance and source checks; not individually reviewed by a medical professional. General education, not individualized medical advice. Stop if exercise causes pain or concerning symptoms. Seek qualified guidance for injuries, medical conditions, or unfamiliar heavy lifting.
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