What the 2026 Warm-Up Consensus Means for Your Workout

On July 20, 2026, a panel of 23 experts from 12 countries published the first international consensus on warm-ups in sport. It defines a warm-up as a structured, purposeful routine that prepares you to perform. On injuries, it says "there is no support for acute injury protection," while some exercises may reduce long-term injury risk. For you, a warm-up is worth doing for how the session goes, and long stretches first have lost their main support.

Key takeaways

• A 2016 systematic review found that 60 seconds or more of static stretching per muscle group was followed by a 4.6% average performance drop, versus 1.1% for less than 60 seconds.
• A 2010 meta-analysis of 32 studies found warm-ups improved performance in 79% of the outcomes examined.
• The 2026 panel found no support for a warm-up protecting you in the moment, but said some exercises in it may lower injury risk over the long term.
• The trial injury benefits come from structured neuromuscular programs such as the 11+, used across a season, mainly in football. In a trial of 1,892 female players aged 13-17, the main outcome missed statistical significance, while three secondary outcomes reached it.

What it means for you

• Runners: Keep the warm-up as an easy version of the activity and skip long static stretching beforehand (see "Stretching before exercise").
• Gym lifters: A dynamic warm-up is the supported default; long static stretching before heavy sets is the part that lost support.
• Recreational team-sport players: The strongest injury evidence is for a structured neuromuscular routine used over a whole season, studied mainly in football (see "What the injury trials show").
• Walkers and older adults: No trial here tested walkers; a Harvard Health guide for older adults suggests starting by walking slowly or marching in place for five minutes (see "Cold weather and older adults").
• People exercising in the cold: A Harvard Health guide describes why cold muscles may be more strain-prone (see "Cold weather and older adults").

Stretching before exercise

For years, a pre-workout warm-up meant touching your toes and holding the pose. The shift away from that is documented in a 2016 systematic review by Behm and colleagues in Applied Physiology, Nutrition, and Metabolism. It looked at healthy, active people and compared three kinds of stretching with testing done on average 3 to 5 minutes afterward. It is a systematic review, not a position statement.

Dynamic stretching means moving a joint through its range repeatedly, such as leg swings, rather than holding a position. The 60-second line is total static stretching per muscle group, not the length of one hold. The review described all these changes as small to moderate. It also found that when studies included dynamic activity after the stretching, no clear performance effect was seen. Static and PNF stretching had no clear effect on all-cause or overuse injuries, and no injury data existed for dynamic stretching.

The authors' conclusion is more nuanced than "never stretch". They recommend stretching within a warm-up that also includes dynamic activity afterward, for reducing muscle injuries and increasing range of motion, with inconsequential effects on later performance. That injury aim sits uneasily with their own finding of no clear injury effect. Range-of-motion gains typically lasted less than 30 minutes.

What a dynamic warm-up does

The performance case rests on a 2010 systematic review and meta-analysis by Fradkin and colleagues. It searched literature through April 2008 and counted only warm-ups that included activity other than stretching. Thirty-two studies, all rated high quality, were included. Warm-up improved performance in 79% of the criteria examined, and the authors found little evidence that warming up harms sports participants. They also noted that few well-conducted randomized controlled trials existed.

Those numbers describe whether performance improved, not by how much for an everyday exerciser. A 2026 systematic review of 40 studies in athletes reported that dynamic warm-ups may acutely improve sprint and jump performance, but it also flagged heterogeneity across study designs, outcomes and populations.

The 2026 consensus adds a framework. Of 122 statements, 72 reached the panel's threshold of at least 80% agreement. The panel described a three-layer model of general exercises, specific exercises and conditioning activities, and said how comprehensive a protocol is matters for how well it works. The panel considered athletes in training and competition, so applying it to a casual walker is an extrapolation.

What the injury trials show

The 2008 trial in young female footballers

A widely cited injury result is a cluster randomized trial in the BMJ by Soligard and colleagues. It enrolled 125 football clubs in Norway and followed 1,892 female players aged 13-17 for one league season of eight months. Clubs were randomized to a structured warm-up programme or to their usual warm-up. The programme, a revised version called "The 11+", includes running exercises, plus strength, plyometric and balance work, and took about 20 minutes once players knew it. Coaches were asked to use it as the warm-up at every training session all season, with at least two sessions a week.

The primary outcome was lower-extremity injuries. There, the rate ratio was 0.71 with a 95% confidence interval of 0.49 to 1.03 (P=0.072). Because the interval includes 1.0, the authors state the primary outcome did not reach significance. Secondary results were significant: injuries overall 0.68 (0.48 to 0.98), overuse injuries 0.47 (0.26 to 0.85) and severe injuries 0.55 (0.36 to 0.83).

Illustrative arithmetic from the reported counts: 121 of 1,055 intervention players had relevant injuries (11.5%), versus 143 of 837 control players (17.1%). That is a gap of about 5.6 percentage points over a season. It applies to this group of teenage players, not to an adult weekend jogger.

Why this fits the 2026 consensus

The panel's finding and the 11+ results do not contradict each other. The panel's full sentence reads: "While inclusion of some type of exercises in the warm-up may reduce long-term injury risk, as in other periods of the training session, there is no support for acute injury protection." Acute protection would mean that warming up before one session shields you during that session. The 11+ is a structured neuromuscular program repeated many times over a season, and its benefit showed up as fewer injuries across that season. That is the long-term effect the panel allows for, coming from specific exercises done regularly, not from one warm-up.

Later evidence, and its limits

A September 2026 network meta-analysis pooled 11 randomized trials with 9,282 football players and looked only at hamstring injuries. The 11+ had an incidence rate ratio of 0.55 (95% CI 0.31 to 0.98) versus usual training. The authors rated certainty low to very low, noted substantial heterogeneity, and judged no trial overall low risk of bias.

A June 2026 meta-analysis of nine trials with 16,636 football players aged 3-18 found injury-prevention programs of various kinds cut overall injury incidence (rate ratio 0.62, 95% CI 0.49 to 0.78), also with high heterogeneity. Outside football the picture is thinner: a 2026 review of futsal found only two studies with direct injury outcomes, with very low certainty. Put together, the injury evidence supports structured programs over a season in organized football. It does not show that a generic warm-up shields a recreational exerciser.

Cold weather and older adults

Cold-weather advice rests on thinner evidence. A Harvard Health guide for older adults, published October 2019, says narrowed blood vessels in the cold could keep muscles from getting the oxygen they need, which could lead to strain or injury. It gives 59 degrees F or below as the temperature at which vessels narrow. This is consumer health guidance, not a trial of warm-up length in the cold.

For older adults, the same page advises starting gradually, by walking slowly or marching in place for five minutes. The page says anyone with cardiovascular, lung or balance issues should check with a doctor before exercising outdoors in the cold. As a rule of thumb, it suggests skipping outdoor workouts at 32 degrees F or below, and exercising indoors when it is extremely cold, rainy, snowy or icy.

Frequently asked questions

Does longer static stretching always hurt performance?

Not always. In the 2016 review, 60 seconds or more of static stretching per muscle group was followed by larger average deficits than shorter totals, but the review also found a moderate performance benefit of 2.2% at longer muscle lengths. Effects were measured shortly after stretching, and no clear effect appeared when dynamic activity followed.

Did the 2008 trial prove the 11+ prevents injuries in adults?

No. It studied teenage female football players, and its primary outcome did not reach statistical significance. Its authors concluded that a structured warm-up programme can prevent injuries in young female football players, and the secondary outcomes supported that for that group.

Is the 11+ proven for sports other than football?

The evidence reviewed above is mainly from football. In futsal, a 2026 review found only two studies with direct injury outcomes. One reported significantly lower injury rates after the 11+, and the other found fewer injuries but no statistically significant difference. The authors warned that gains in fitness measures should not be read as proof of fewer injuries.

Should my warm-up copy a professional athlete's?

The 2026 consensus describes warm-ups as sport- and context-dependent, with goals that depend on the sport and the individual. It was written for athletes, so no fixed template is presented as the standard for everyone.

Why does a warm-up matter for the heart?

The Harvard Health guide says a warm-up helps the body adjust to increased demands on the heart and gets blood and oxygen to the muscles. It quotes Dr. Beth Frates: "A fit young person can start with a sprint, but an older person is risking muscle injury and heart strain by doing that." The guide adds that cold narrows blood vessels, making it harder for the heart to pump blood. People with heart conditions should ask their doctor what intensity suits them.

Your next warm-up, step by step

• Start with an easy version of what you will do, for example walking slowly or marching in place for about five minutes if you are new or older.
• Add movements that resemble the session, such as leg swings or light sets, rather than long static stretches.
• If you like static stretches, keep the total under about 60 seconds per muscle group and follow them with dynamic movement.
• In team sports, a structured program such as the 11+ takes about 20 minutes once learned. The trial evidence, mainly from youth football, is for using it at every training session, at least twice a week, across a season.
• In the cold, start gently, consider moving indoors at 32 degrees F or below, and ask a doctor first if you have heart, lung or balance problems.

This article is educational and is not medical advice. Check with a clinician before changing your exercise routine if you have a health condition, an injury or symptoms such as chest pain or dizziness.

Sources

• Behm DG et al. Acute effects of muscle stretching on physical performance, range of motion, and injury incidence in healthy active individuals: a systematic review. Appl Physiol Nutr Metab, 2016. PubMed
• Fradkin AJ et al. Effects of warming-up on physical performance: a systematic review with meta-analysis. J Strength Cond Res, 2010. PubMed
• Boullosa D et al. International expert consensus on warm-up protocols for athletes: a Delphi study. Int J Sports Physiol Perform, 2026 (online July 20, 2026). PubMed
• Kłobuchowski W et al. Exercise-based strategies from warm-up to training: a systematic review of performance enhancement and injury prevention. Sports, 2026. PubMed
• Soligard T et al. Comprehensive warm-up programme to prevent injuries in young female footballers: cluster randomised controlled trial. BMJ, 2008. PubMed Central
• Hong B et al. Comparative effectiveness of exercise interventions for hamstring injury prevention in football players: a systematic review and network meta-analysis. Sports Med Open, 2026. PubMed Central
• Yang H et al. Effectiveness of sports injury prevention programs for adolescent and children football players: a meta-analysis and systematic review. PeerJ, 2026. PubMed Central
• Cao-Bouza L et al. Effects of exercise-based programmes on injury incidence and physical and neuromuscular outcomes in futsal players: a systematic review and meta-analysis of randomized controlled trials. Healthcare, 2026. PubMed Central
• Harvard Health Publishing. An older adult's guide to exercising in cold weather, October 2019. Harvard Health