Re-examination of the post half-time reduction in soccer work-rate



      To re-examine the work-rate of soccer players immediately after a passive half-time interval with an alternative approach to data reduction and statistical contrasts.


      Time–motion analysis data (5 Hz global positioning system), were collected from 20 elite youth players (age: 17 ± 1 years) during 21 competitive league fixtures (5 ± 3 matches per player).


      Physical performances were categorised into total distance covered, total low-speed running (0–14.9 km h−1) and total high-speed running (15.0–35.0 km h−1). These dependent variables were subsequently time averaged into pre-determined periods of 5-, 15- and 45-min duration, and expressed in relative (m min−1) terms to allow direct comparisons between match periods of different lengths. During the 15-min half-time interval players were passive (seated rest).


      There was a large reduction in relative total distance covered (effect size – standardised mean difference – 1.85), low-speed running (effect size −1.74) and high-speed running (effect size −1.37) during the opening 5-min phase of the second half (46–50 min) when compared to the first half mean (0–45 min). When comparing the 51–55 and 56–60-min periods, effect sizes were trivial for relative total distance covered (effect size −0.13; −0.04), low-speed running (effect size −0.10; −0.11) and small/trivial for high-speed running (−0.39; 0.11).


      Using a more robust analytical approach, the findings of this study support and extend previous research demonstrating that players work-rate was markedly lower in the first 5-min after a passive half-time interval, although we observed this phenomenon to be transient in nature. Time–motion analysts might re-consider their data reduction methods and comparators to distinguish within-match player work-rate trends.


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        • Bradley P.S.
        • Sheldon W.
        • Wooster B.
        • et al.
        High-intensity running in English FA Premier League soccer matches.
        J Sports Sci. 2009; 27: 159-168
        • Mohr M.
        • Krustrup P.
        • Bangsbo J.
        Match performance of high-standard soccer players with special reference to development of fatigue.
        J Sports Sci. 2003; 21: 439-449
        • Weston M.
        • Batterham A.
        • Castagna C.
        • et al.
        Reduction in physical match performance at the start of the second half in elite soccer referees and players.
        Int J Sports Phys Perform. 2011; 6: 174-182
        • Mohr M.
        • Krustrup P.
        • Nybo L.
        • et al.
        Muscle temperature and sprint performance during soccer matches – beneficial effect of re-warm-up at half-time.
        Scand J Med Sci Sports. 2004; 14: 156-162
        • Lovell R.
        • Midgley A.
        • Barrett S.
        • et al.
        Effects of different half-time strategies on second half soccer-specific speed, power and dynamic strength.
        Scand J Med Sci Sports. 2011; ([Epub ahead of print])
        • Reilly T.
        • Thomas V.
        A motion analysis of work-rate in different positional roles in professional football match-play.
        J Hum Mov Stud. 1976; 2: 87-97
        • Krustrup P.
        • Bangsbo J.
        Physiological demands of top-class soccer refereeing in relation to physical capacity: effect of intense intermittent exercise training.
        J Sports Sci. 2001; 19: 881-891
        • Carling C.
        • Bloomfield J.
        • Nelsen L.
        • et al.
        The role of motion analysis in elite soccer: contemporary performance measurement techniques and work rate data.
        Sports Med. 2008; 38: 839-862
        • Drust B.
        • Atkinson G.
        • Reilly T.
        Future perspectives in the evaluation of the physiological demands of soccer.
        Sports Med. 2007; 37: 783-805
        • Weston M.
        • Drust B.
        • Gregson W.
        Intensities of exercise during match-play in FA Premier League referees and players.
        J Sports Sci. 2011; 29: 527-532
        • Batterham A.M.
        • Hopkins W.G.
        Making meaningful inferences about magnitude.
        Int J Sports Physiol Perform. 2006; 1: 50-57
        • Mirwald R.L.
        • Baxter-Jones A.D.
        • Bailey D.A.
        • et al.
        An assessment of maturity from anthropometric measurements.
        Med Sci Sports Exerc. 2002; 34: 689-694
        • Portas M.D.
        • Harley J.A.
        • Barnes C.A.
        • et al.
        The validity and reliability of 1-Hz and 5-Hz global positioning systems for linear, multidirectional, and soccer-specific activities.
        Int J Sports Phys Perform. 2010; 5: 448-458
        • Randers M.
        • Mujika I.
        • Hewitt A.
        • et al.
        Application of four different football match analysis systems: a comparative study.
        J Sports Sci. 2010; 28: 171-182
        • Abt G.
        • Lovell R.
        The use of individualized speed and intensity thresholds for the determination of high intensity activity in professional football.
        J Sports Sci. 2009; 27: 893-898
        • Siegle M.
        • Lames M.
        The relation between movement velocity and movement pattern in elite soccer.
        Int J Sports Phys Perform. 2010; 10: 270-278
        • Small K.
        • McNaughton L.
        • Greig M.
        • et al.
        The effects of multidirectional soccer-specific fatigue on markers of hamstring injury risk.
        J Sci Med Sport. 2010; 13: 120-125
        • Saltin B.
        Metabolic fundamentals in exercise.
        Med Sci Sports Exerc. 1973; 5: 137-146
        • Edwards A.M.
        • Mann M.E.
        • Marfell-Jones M.J.
        • et al.
        The influence of moderate dehydration on soccer performance: physiological responses to 45-min of outdoors match-play and the immediate subsequent performance of sport-specific and mental concentration tests.
        Br J Sports Med. 2007; 41: 385-391
        • Gonzalez-Alonso J.
        • Teller C.
        • Anderson S.L.
        • et al.
        Influence of body temperature on the development of fatigue during prolonged exercise in the heat.
        J Appl Physiol. 1999; 86: 1032-1038
        • Hopkins W.G.
        • Marshall S.W.
        • Batterham A.M.
        • et al.
        Progressive statistics for studies in sports medicine and exercise science.
        Med Sci Sports Exerc. 2009; 41: 3-13
        • Hopkins W.G.
        Spreadsheets for analysis of controlled trials, with adjustment for a subject characteristic.
        Sportscience. 2006; 10: 46-50
        • Edwards A.M.
        • Noakes T.D.
        Dehydration: causes of fatigue or sign of pacing in elite soccer?.
        Sports Med. 2009; 39: 1-13
        • Gregson W.
        • Drust B.
        • Atkinson G.
        • et al.
        Match-to-match variability of high-speed activities in premier league soccer.
        Int J Sports Med. 2010; 31: 237-242
        • Lovell R.J.
        • Siegler J.C.
        • Kirke I.
        • et al.
        Soccer half-time strategy influences thermoregulation and endurance performance.
        J Sports Med Phys Fitness. 2007; 47: 263-269
        • Cochrane D.J.
        • Stannard S.R.
        • Sargeant A.J.
        • et al.
        The rate of muscle temperature increase during acute whole-body vibration exercise.
        Eur J Appl Physiol. 2008; 103: 441-448
        • Gray S.C.
        • Nimmo M.A.
        Effects of active, passive or no warm-up on metabolism and performance during short-duration high-intensity exercise.
        J Sports Sci. 2001; 19: 693-700
        • Bangsbo J.
        • Norregaard L.
        • Thorsoe F.
        Activity profile of competition soccer.
        Can J Sport Sci. 1991; 16: 110-116
        • DiSalvo W.
        • Gregson W.
        • Atkinson G.
        • et al.
        Analysis of high-intensity activity in Premier League soccer.
        Int J Sports Med. 2009; 30: 205-212