How to Design a Warm-Up Without Creating Fatigue

EFWA KNOWLEDGE HUB · FITNESS & TRAINING SCIENCE

By Dr Mert Eray Onen, Founder & Academic Director, EFWA · ORCID 0000-0001-8510-7293

Estimated reading time: 6 minutes

A good warm-up should rehearse the movements and intensities that matter, progress from general to specific, and finish with the person feeling more prepared—not already tired. The simplest test is whether the final warm-up activity improves confidence and movement quality while preserving the performance needed for the first work set.

Warm-ups are often treated as fixed rituals: a few minutes on a machine, the same stretches, then a long series of light sets. That may feel thorough, but thoroughness is not the same as relevance. Every additional drill carries a small cost in time, attention and fatigue. The design problem is therefore not “How much can we fit in?” but “What is the minimum preparation this person needs for today’s task?”

What should a warm-up actually achieve?

An effective warm-up can raise muscle temperature, increase blood flow, provide exposure to the required ranges of motion and prepare the nervous system for the speed and coordination of the activity ahead. Reviews generally support active and task-specific warm-ups for acute performance, although effects vary with the sport, outcome and protocol.

The central idea is specificity. A brisk walk may increase general temperature, but it does not rehearse a squat, a tennis serve or a change of direction. Conversely, several hard jumps may be specific to an explosive task, yet become counterproductive if their volume is high enough to reduce power. Good programming balances readiness against cost.

Does static stretching ruin performance?

No—not automatically. The strongest caution concerns prolonged static stretching performed in isolation immediately before maximal strength or power tasks. A systematic review by Chaabene and colleagues found that performance reductions were more likely when a single muscle group was stretched for longer durations, particularly beyond about 60 seconds. Brief holds caused smaller or negligible average effects.

Context matters. In a study of a complete dynamic warm-up, adding short static stretches did not impair subsequent sprinting, jumping or change-of-direction performance. In gymnastics, where extreme range can be part of the task itself, a 2024 systematic review found no significant lower-limb power impairment from static stretching and suggested that static stretching may help flexibility-dependent elements. These findings do not make one method universally best; they show why the main task should determine the choice.

If a client needs a particular range to perform comfortably, a short static stretch may be reasonable. It can then be followed by active movement and progressively specific rehearsal. If maximal force or speed is the immediate priority, long passive holds are usually a poor use of the final minutes before performance.

The EFWA MATCH framework

MATCH is an EFWA teaching framework for designing concise warm-ups. It is not a medical protocol and does not replace individual screening.

M — Match the main task

Identify what the first demanding activity requires: movement pattern, range, speed, force, coordination and energy-system demand. Warm-up choices should point towards those requirements. A lower-body strength session, for example, benefits more from progressively loaded versions of the planned lift than from an unrelated circuit.

A — Adjust for the person and environment

Training age, current readiness, recent activity, room temperature and time since the last session all matter. A person arriving after a long commute may need more general movement than someone who has just coached an active class. Adjustment is not guesswork: ask, observe, and use early movement as information.

T — Tune range and technique

Use controlled repetitions to explore the range needed for the session and rehearse key technical points. The goal is not to “correct” every visible variation. Select one or two cues that make the main task more repeatable. If range is limited by pain, a new symptom or uncertainty about suitability, stay within professional scope and refer appropriately.

C — Calibrate intensity progressively

Increase load, speed or complexity in steps. Each step should make the next one feel familiar. For resistance training, several low-repetition preparation sets can bridge the gap between an empty implement and the work load. For sprinting, the bridge may progress from easy locomotion to submaximal accelerations. The exact sequence depends on the task.

H — Hold fatigue below the cost threshold

Stop adding drills when preparation is achieved. Warning signs include slowed movement, a marked rise in breathing that is not relevant to the session, declining jump quality, repeated technical errors or a client reporting that the warm-up already feels like work. More sweat is not proof of a better warm-up.

A worked example: preparing for a squat session

Imagine an experienced client starting a session with barbell squats. They arrive comfortable but have spent the previous hour sitting. A practical sequence might be:

1. Two to three minutes of general movement: easy cycling or walking while discussing readiness.
2. Two targeted movement drills: several controlled bodyweight squats and a dynamic ankle or hip movement chosen because it improves access to the range required.
3. Pattern rehearsal: a small number of squats with the empty bar, using one technical cue.
4. Progressive preparation sets: two or three short sets with increasing load and generous rest, while repetitions decrease.
5. Decision point: if the final preparation set is crisp and effort is appropriate, begin the planned work. If not, adjust the load or add one relevant step rather than another circuit.

This is an example, not a universal prescription. A novice may need more coaching at low load. A highly trained lifter may need additional load-specific sets. A person returning after illness, injury or medical restriction may require professional guidance outside an instructor’s scope.

How can trainers tell whether the warm-up worked?

Use a small number of observable signals: the client’s perceived readiness, the quality and speed of task-specific repetitions, access to the required range, and performance in the first work set. Over several sessions, compare similar conditions. If a shorter warm-up produces equal or better early-session performance, the removed work was probably unnecessary.

Heart rate can help during endurance preparation, but it should not become false precision. EFWA’s guide to heart-rate zones and exercise intensity explains how to combine physiological estimates with perceived effort and external workload. For long-term progression after the warm-up, see progressive overload for personal trainers.

What is established, emerging and interpretive?

• Established evidence: active, task-related warm-ups can improve acute performance; prolonged isolated static stretching may reduce immediate maximal strength or power in some contexts.
• Emerging evidence: the best combination and dose differ by activity and population, and studies do not provide one protocol for every training goal.
• EFWA educational position: warm-ups should earn their place by improving readiness for the main task at an acceptable fatigue cost.

Students can explore how these principles connect with programme design through EFWA’s Personal Trainer education routes and find further evidence-informed resources in the EFWA Knowledge Hub.

Evidence limitations

Warm-up studies use varied participants, sports, durations and outcome measures, and many examine immediate laboratory performance rather than long-term training quality. Findings from athletes or gymnasts may not transfer directly to general fitness clients. Injury-prevention effects usually come from structured, repeated neuromuscular programmes rather than from a single generic warm-up. These limits favour individual observation and measured adjustment, not universal rules.

References

1. Blazevich, A. J., Gill, N. D., Kvorning, T., Kay, A. D., Goh, A. G., Hilton, B., Drinkwater, E. J., & Behm, D. G. (2018). No effect of muscle stretching within a full, dynamic warm-up on athletic performance. Medicine & Science in Sports & Exercise, 50(6), 1258–1266. https://doi.org/10.1249/MSS.0000000000001539
2. Chaabene, H., Behm, D. G., Negra, Y., & Granacher, U. (2019). Acute effects of static stretching on muscle strength and power: An attempt to clarify previous caveats. Frontiers in Physiology, 10, 1468. https://doi.org/10.3389/fphys.2019.01468
3. Li, F., Guo, C., Li, H., Xu, H., & Sun, P. (2023). A systematic review and net meta-analysis of the effects of different warm-up methods on the acute effects of lower limb explosive strength. BMC Sports Science, Medicine and Rehabilitation, 15, 106. https://doi.org/10.1186/s13102-023-00703-6
4. McCrary, J. M., Ackermann, B. J., & Halaki, M. (2015). A systematic review of the effects of upper body warm-up on performance and injury. British Journal of Sports Medicine, 49(14), 935–942. https://doi.org/10.1136/bjsports-2014-094228
5. McGowan, C. J., Pyne, D. B., Thompson, K. G., & Rattray, B. (2015). Warm-up strategies for sport and exercise: Mechanisms and applications. Sports Medicine, 45(11), 1523–1546. https://doi.org/10.1007/s40279-015-0376-x
6. Yu, W., Feng, D., Zhong, Y., Luo, X., Xu, Q., & Yu, J. (2024). Examining the influence of warm-up static and dynamic stretching, as well as post-activation potentiation effects, on the acute enhancement of gymnastic performance: A systematic review with meta-analysis. Journal of Sports Science and Medicine, 23, 156–176. https://doi.org/10.52082/jssm.2024.156