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Heart rate measures to monitor training status in soccer [YLM 2015]

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Heart rate measures to monitor training status in soccer [YLM 2015]

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Heart rate measures to monitor training status in soccer [YLM 2015]

  1. 1. HEART RATE MEASURES TO MONITOR TRAINING STATUS IN ATHLETES TOOLS OR TOYS? By Yann LE MEUR @YLMSportScience
  2. 2. TRAINING RECOVERY COACH
  3. 3. SALIVA PARAMETERS BLOOD PARAMETERS PSYCHOMETRIC PARAMETERS HEART RATE
  4. 4. Non-invasive Time-efficient Can be applied routinely And simultaneously in a large number of athletes Still not accepted as a gold standard Lack of consistency in the literature Buchheit Frontiers 2014 Not manipulable
  5. 5. Buchheit Frontiers 2014 ► Different sensivity to fitness, overload and performance, ► Different methodology of data collection
  6. 6. RESTING MEASURE: rHR Plews et al. IJSPP 2014 ► Small to moderate correlation using 1 value per week ► Large to very large when using daily HR measures ↗ MAS & 10km performance correlated with ↘ resting HR A minimum of 1 value per week may help to monitor the training status
  7. 7. AND WHAT ABOUT HRV? ► More complex and more time- demanding + worse signal-to-noise ratio than HR measures ► Same sensivity to training status than HR Use a minimum of 3 (randomly selected) valid data points per week to reduce the noise and to monitor training adaptation ! Too heavy in most cases Plews et al. IJSPP 2014
  8. 8. EXERCISE MEASURE: HRex (submax) Buchheit et al. EJAP 2011 A decrease in HRex is generally associated with improvement in fitness level 5min Submax (e.g. WU) Collecting one value per week may help to monitor the training status
  9. 9. ► Suggested to be a relevant training monitoring tool to track positive changes in high-intensity exercise performance But in team sports especially, changes in HRR did not always correlate with performance changes … or displayed correlations of lower magnitude than that observed with HRex Daanen et al. IJSPP 2012 Buchheit et al. 2012 & 2013 AND WHAT ABOUT HRR?
  10. 10. Parameters Usefullness Good response to training Resting HR ++ ↘ HRex ++ ↘ HRR (+) ↗ SO…
  11. 11. Parameters Usefullness Good response to training Overreaching (intensified training) Resting HR ++ ↘ ↘ Uusitalo et al. 1998 Hedelin 2000 Le Meur 2013 & 14 HRex ++ ↘ ↘ Lehmann 1991 Hedelin 2000 Bosquet 2001 Coutts 2007 Dupuy 2012 Le Meur 2013 & 14 HRR (+) ↗ ↗ Dupuy 2012 Thompson 2015 Under review …BUT!
  12. 12. RESTING HR & OVERREACHING Le Meur et al. MSSE 2013 ************** 40 45 50 55 1 2 3 4 RestingHR(bpm) Weeks 5000 5500 6000 6500 7000 1 2 3 4 Runningperformance(m) Weeks CTL OR
  13. 13. -5 0 5 BEST MARKERS TO PREDICT OVERREACHING? Le Meur, Hausswirth et al. JAP 2013 Control groupOverreached group 1. ↘HRex at all exercise intensities 2. ↘Blood lactate concentration at all exercise intensities 3. …
  14. 14. Lehmann et al. BJSM 1992 WHERE DOES THE PROBLEM COME FROM? 0 2500 5000 7500 10000 Rest i1 i2 i3 Max Pre Post 0 2500 5000 7500 10000 Rest i1 i2 i3 Max Pre Post Plasmaadrenalinconcentration(µmol/L) 0 2500 5000 7500 10000 12500 Rest i1 i2 i3 Max Pre Post Control Acute fatigue Overreaching + vagal hyperactivity? Le Meur et al. JAP 2014
  15. 15. CONSEQUENCE ON HRR -6 -4 -2 0 2 4 6 8 10 12 Pre Post ChangeinHRR(bpm) Overreaching Acute fatigue Control under review Dupuy et al. APNM 2013 Hammes et al. ECSS 2014 Thompson et al. JSMS 2015
  16. 16. 60 80 100 120 140 160 180 200 Heartrate(bpm) Time ►Illustration with 2 athletes ►Same endurance-oriented overload period (+40% of habitual training load) ►Maximal incremental running test (+1km/h each 3 min, r = 1min) ATHLETE B Functional overreaching ↘ Maximal aerobic speed ↘ HRex ↘ HRmax ↗↗ RPE ↗↗Perceived fatigue 60 80 100 120 140 160 180 200 Heartrate(bpm) Pre Post Time ↗ Maximal aerobic speed ↘ HRex → HRmax ATHLETE A Good adaptation to training
  17. 17. TAKE HOME MESSAGE Resting HR and exercise HR are sensitive to changes in the training status. There likely the most usefull monitoring tools but they should always be interpretated with other psychometric and performance markers to correctly interpret the data Parameters Usefullness Good response to training Overreaching (intensified training) Resting HR ++ ↘ ↘ Resting HRV Difficult to implement with a squad HRex ++ ↘ ↘ HRR (+) ↗ ↗ HRmax ++ = ↘ RPE +++ ↘ ↗ Perceived fatigue +++ normal High to very high Performance +++ ↗ ↘ + muscle soreness & NM performance
  18. 18. WHY SHOULD YOU TRACK HRex IF PERFORMANCE & PERCEPTIVE MARKERS ARE THE MOST IMPORTANT PARAMETERS? ❶ 5min per week! ❸ Usefull to secure your ‘diagnosis’ ❹ Usefull to interfer about the origin(s) of overreaching (training load and/or psychosocial stress?) ❷ HRex is not manipulable by the players
  19. 19. @YLMSportScience THANK YOU FOR YOUR ATTENTION yann.lemeur@insep.fr

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