Why Half-Time Re-Warm-Ups Are Essential for Professional Footballers (Patreon)

Elevating Performance in the Second Half of the Game

In elite football, where every second counts, small decisions can shape match outcomes. One such decision often overlooked is what happens during the 15-minute half-time break. Traditionally, this interval is used for passive rest—players sit, hydrate, and receive tactical instructions. But what if this moment of stillness is doing more harm than good?

Groundbreaking research by Edholm, Krustrup, and Randers (2014) suggests that a structured half-time re-warm-up can preserve and even enhance performance capacity in professional footballers.

The Hidden Cost of Passive Rest

Using a crossover study design with Swedish top-tier players, the researchers found that:

• Sprint performance dropped by 2.6% after a passive half-time.

• Jump performance decreased by 7.6%, highlighting a loss in explosive power.

These declines occurred despite players receiving a typical 30-minute pre-match warm-up. The culprit? A drop in muscle and core temperature during inactivity, which negatively affects neuromuscular function and power output.

The Power of the Re-Warm-Up

The re-warm-up protocol tested consisted of:

• 7 minutes of passive rest.

• Followed by 7 minutes of light jogging and calisthenics at ~70% of max heart rate.

Results showed:

• Sprint performance was maintained, with no further drop after the re-warm-up.

• The reduction in jump performance was less than half that of the passive condition (3.1% vs 7.6%).

• Players restarted the second half with higher heart rates, allowing quicker physiological readiness.

• Teams using the re-warm-up also enjoyed more ball possession and less defensive high-intensity running, implying better control of the match flow.

Beyond Performance: Implications for Injury Prevention

Interestingly, studies have also shown that muscle injuries are more likely in the early minutes of the second half—possibly due to the cooling effects of passive rest. By maintaining muscle temperature and readiness, a re-warm-up could also act as a preventative strategy against soft tissue injuries.

Real Match Conditions, Real Impact

Importantly, this was not a lab-based simulation. The study was conducted during actual competitive matches with professional players. Tactics were standardized, official referees supervised the games, and performance was tracked using video and physiological data—making the findings directly applicable to top-level football environments.

What Coaches Should Do

Given this evidence, coaching and performance staff should consider:

• Implementing a structured re-warm-up during half-time (5–7 minutes of dynamic movement).

• Customizing exercises to include light plyometrics or explosive drills to retain neuromuscular activation.

• Monitoring heart rate readiness to ensure players re-enter the pitch physiologically primed.

Final Thoughts

Elite football is a game of margins. When hundredths of a second can separate success from failure, half-time re-warm-ups could offer that competitive edge. It's time we rethink what happens in the locker room during those 15 minutes. The science is clear: re-warm-up isn’t just a good idea—it’s a game changer.

Reference: Edholm P., Krustrup P., Randers M.B. (2014). Half-time re-warm up increases performance capacity in male elite soccer players. Scandinavian Journal of Medicine & Science in Sports. https://doi.org/10.1111/sms.12236