Physiological Responses and Physical Performance during Football in the Heat

Magni Mohr, Lars Nybo, Justin Grantham, Sebastien Racinais

Research output: Contribution to journalArticlepeer-review

160 Citations (Scopus)
6 Downloads (Pure)


To examine the impact of hot ambient conditions on physical performance and physiological responses during football match-play.

Two experimental games were completed in temperate (∼21°C; CON) and hot ambient conditions (∼43°C; HOT). Physical performance was assessed by match analysis in 17 male elite players during the games and a repeated sprint test was conducted after the two game trials. Core and muscle temperature were measured and blood samples were obtained, before and after the games.

Muscle and core temperatures were ∼1°C higher (P14 km⋅h−1) by 26% in HOT compared to CON), but peak sprint speed was 4% higher (P24 km⋅h−1) between CON and HOT. In HOT, success rates for passes and crosses were 8 and 9% higher (P
Total game distance and especially high intensity running were lower during a football game in the heat, but these changes were not directly related to the absolute or relative changes in core or muscle temperature. However, peak sprinting speed and execution of successful passes and crosses were improved in the HOT condition.
Original languageEnglish
Pages (from-to)e39202
JournalPloS one
Issue number6
Publication statusPublished - 19 Jun 2012


  • hot ambient conditions
  • physical performance
  • physiological responses
  • football


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