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EXERCISE TEST IN THE FIELD

EXERCISE TEST IN THE FIELD. EQUI-TEST 06-07/06/08. Presentation. Claire Leleu, DVM, PhD Equi-Test : private sports medicine unit 2006 Geographic situation. Activities :  Service to trainers : selection, training 300 – 400 tests / year 4500 tests, 2500 horses

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EXERCISE TEST IN THE FIELD

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  1. EXERCISE TEST IN THE FIELD EQUI-TEST 06-07/06/08

  2. Presentation • Claire Leleu, DVM, PhD • Equi-Test : private sports medicine unit 2006 • Geographic situation • Activities : Service to trainers : selection, training 300 – 400 tests / year 4500 tests, 2500 horses  Applied research for labs : nutrition, equipment  Polar consulting

  3. CONTENTS • Background of exercise physiology • Exercise test : what for ? How ? • Determination of variables • Interpretation and practical interests in :  Selection,  Evaluation of the level of fitness,  Programmation of training

  4. Exercise physiology Treadmill : • Ventilation and gas exchange • Heart rate • Lactates • Blood gas analysis • Central temperature • Airways and blood pressures…

  5. Exercise physiology : HR • Resting HR 25 – 40 bpm Influenced by stress Indicates general health status Not a good predictor of fitness and capacity

  6. Exercise physiology : HR • Max HR 210 – 255 bpm Not modified by age and training Race / training

  7. Exercise physiology : HR • Working HR linear up to max HR Influenced by age,training Indicator of fitness and capacity

  8. Exercise physiology : Lactates Blood or plasma lactates Result from muscle activity Increase exponentially with speed Muscular fatigue

  9. Exercise test : what for ? Standardized Exercise Test : • Relation between speed and heart rate  Index of « cardiac aptitude » • Relation between speed and lactates  Indirect index of aerobic capacity • Relation between heart rate and lactates  guidelines for training intensity

  10. Exercise test : how ? • Measurement of speed and heart rate

  11. Exercise test : how ? • Measurement of lactates Immediate sampling after exercise Fluorure oxalate tubes ± deproteinisation Lab or portable analysers (accutrend, Lactate pro…) La Plasma > La Blood (x 1.5)

  12. Exercise test : how ? • Standardisation of exercise 3 x 3 min 1 min recovery Steady speed and heart rate (flat track)

  13. Exercise test : how ? • Others parameters to consider Level of training Level of performance Track (depth and design) • Goals : La > 4 mmol/l FC > 200 bpm

  14. Exercise test : how ? • Results

  15. Determination of variables • Definitions : V200 : velocity for HR = 200 bpm V4 : velocity for La = 4 mmol/l V2 : velocity for La = 2 mmol/l HR 4 : HR for La = 4 mmol/l HR 2 : HR for La = 2 mmol/l

  16. Determination of variables HR4 HR2 V200 V2 V4

  17. Determination of variables • Example

  18. Interpretation of variables • Factors of variation : age track fitness V4 / V200 weather aptitude equipment Behaviour / pain

  19. Interpretation of variables • age

  20. Interpretation of variables • age 1’30 1’40 2’00

  21. Interpretation of variables • Level of fitness • Horse back to training < horse in preparation < horse competing

  22. Interpretation of variables • Physical aptitude • High level horse > low level horse • Demonstration….

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