Body temperature and physical performance responses are not maintained at the time of pitch-entry when typical substitute-specific match-day practices are adopted before simulated soccer match-play

Hills, Samuel P.; Aben, Hendrickus G J; Starr, David; Kilduff, Liam P.; Arent, Shawn M.; Barwood, Martin J.; Radcliffe, Jon N.; Cooke, Carlton; Russell, Mark

doi:10.1016/j.jsams.2020.11.013

Cited by 9 publications

(10 citation statements)

References 28 publications

(74 reference statements)

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“…Time taken to complete 35.36 m was recorded using electronic timing gates (Brower Timing Systems, USA), with the fastest of three completed sprints being retained for analysis. 24 In professional cricketers performing this test once per week, CV <1% and ICC of 0.99 have been reported, 5,25 while the current sample have produced CV of 1.4% over three repetitions.…”

Section: Methodsmentioning

confidence: 59%

“…9-11 However, muscle and deep-body temperature also demonstrate diurnal variations throughout the day while themselves correlating with indices of physical performance. 24,30 Temperature or other physiological responses (e.g., oxygen consumption, heart rate, ventilation) may have contributed to the beneficial priming effects observed in LIFT and RUN.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Morning resistance exercise and cricket-specific repeated sprinting each improve indices of afternoon physical and cognitive performance in professional male cricketers

Nutt¹,

Hills²,

Russell³

et al. 2022

Journal of Science and Medicine in Sport

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Section: Methodsmentioning

confidence: 59%

Section: Discussionmentioning

confidence: 99%

Morning resistance exercise and cricket-specific repeated sprinting each improve indices of afternoon physical and cognitive performance in professional male cricketers

Nutt¹,

Hills²,

Russell³

et al. 2022

Journal of Science and Medicine in Sport

Self Cite

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“…These results could be partly explained by pre-entry warm up strategies. For example, Hills et al [ 18 ] observed that typical match-day substitute warm up protocols failed to maintain core body temperatures of substitute players prior to pitch entry and subsequently impacted physical performance at the time of pitch entry. However, half-time re-warm up interventions have been cited to maintain sprint performance in the first 15-minutes of match-play compared to typical match-day half-time periods [ 16 ].…”

Section: Discussionmentioning

confidence: 99%

“…Practically, provided that players are adequately prepared for pitch entry, coaches should be able to make tactical player replacements with the aim that substitute players are able to attain similar or greater running outputs as starting and full-match players [ 5 , 16 – 18 ]. The use of Global Positioning Systems (GPS) has facilitated the quantification of peak and relative running demands and further aided in the understanding of the external loads of match-play [ 9 , 13 – 15 ].…”

Section: Introductionmentioning

confidence: 99%

Substitute running outputs in elite youth male soccer players: less peak but greater relative running outputs

Sydney¹,

Ball²,

Mara³

et al. 2023

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Coaches consider substitute players to be a substantial factor in influencing the outcome of a soccer match. Substitute players are expected to make physical impact on the match by superseding the running output of the player they replaced and are a key tool for managing in-game fatigue and influencing the outcome of a game. This study investigated the physical impact and internal response of substitute players, compared to starting and full-match players. We also sought to determine if differences between substitution statuses were influenced by playing position. Players wore 15-Hz global positioning system tracking devices across 29 competition matches and were categorised according to their substitution status (full-match, starters, substitutes) and playing position (external defender, midfield, external attacker and central attacker). Peak total (TD) and high-speed running (> 5.0 m/s) distance (HSRD) were calculated using 1-, 2- and 5-minute rolling epochs. Relative running demands were reported as TD and HSRD per minute of total playing time. Substitute players performed less peak TD and HSRD in 1-, 2- and 5-minute epochs, and reported lower RPE compared to starting and full-match players. In contrast, substitutes performed greater relative HSRD per minute than starting and full-match players (p < 0.001, |d| range = 0.35–1.34). In conclusion, substitute players may have a relative physical impact but do not replicate or supersede the peak demands of full-match players. Coaches and practitioners should implement targeted warm-up interventions to enhance substitute readiness to meet the peak running demands in order to have a more effective physical impact.

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“…Considering the short time available between the first and the second time, it is advisable to administer a suitable warm-up ( Hammami et al, 2018 ). Hills et al (2021) questioned the effectiveness of practices typically used by substitute players before pitch-entry. Mohr et al (2004) showed that soccer players perform less high-intensity sprint at the initial phase of the second half compared with the first half.…”

Section: Introductionmentioning

confidence: 99%

Effects of an experimental short-time high-intensity warm-up on explosive muscle strength performance in soccer players: A pilot study

et al. 2022

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Objective: This study aimed to evaluate the effects of an experimental short-time warm-up consisting of a small number of intermittent high-intensity sprints on explosive muscle strength performance in soccer players and to identify recovery times after performing the sprints. Furthermore, we evaluated the reliability of a smartphone app in jumping performance.Methods: Twenty male soccer players were given the following tests: 1) the counter-movement jump (CMJ) test with the Microgate system, 2) the counter-movement jump (CMJ) test with the MyJump smartphone app, and 3) the handgrip strength test. The experimental short-time high-intensity warm-up was carried out 1 week after test administration. The warm-up consisted of three maximum sprints over 60 m with 120 s of recovery between sprints. Then, the tests were administered again: the vertical jump height (VJH) performances (five trials) were measured 90 s after the last sprint; the handgrip strength performances (three trials) were measured 120 s after the last vertical jump test.Results: The maximum VJH was found in the third trial of the CMJ test, 330 s after the last sprint (p < 0.01), the result closest to the baseline. The lowest VJH was found in the first trial of the CMJ test, 90 s after the last sprint (p < 0.05). Pearson’s analysis between the CMJ test with the Microgate system and the CMJ test with MyJump showed a strong correlation (R = 0.96). Lin’s concordance correlation coefficient showed a substantial concordance (ρc = 0.959) between measures.Conclusion: This experimental short-time warm-up of high-intensity intermittent sprints appears to be a simple, quick, and efficient activity to accelerate soccer players’ optimal performance.

show abstract

Body temperature and physical performance responses are not maintained at the time of pitch-entry when typical substitute-specific match-day practices are adopted before simulated soccer match-play

Cited by 9 publications

References 28 publications

Morning resistance exercise and cricket-specific repeated sprinting each improve indices of afternoon physical and cognitive performance in professional male cricketers

Morning resistance exercise and cricket-specific repeated sprinting each improve indices of afternoon physical and cognitive performance in professional male cricketers

Substitute running outputs in elite youth male soccer players: less peak but greater relative running outputs

Effects of an experimental short-time high-intensity warm-up on explosive muscle strength performance in soccer players: A pilot study

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