B Knechtle

Summary

Affiliation: Swiss Paraplegic Centre
Country: Switzerland

Publications

  1. ncbi request reprint [Energy metabolism in long-term endurance sports: a case study]
    B Knechtle
    Institut fur Sportmedizin, Schweizer Paraplegiker Zentrum Nottwil
    Praxis (Bern 1994) 92:859-64. 2003
  2. ncbi request reprint Comparison of fat oxidation in arm cranking in spinal cord-injured people versus ergometry in cyclists
    Beat Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, 6207 Nottwil, Switzerland
    Eur J Appl Physiol 90:614-9. 2003
  3. ncbi request reprint Fat oxidation in men and women endurance athletes in running and cycling
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, 6207 Nottwil, Switzerland
    Int J Sports Med 25:38-44. 2004
  4. ncbi request reprint Fat oxidation at different intensities in wheelchair racing
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 42:24-8. 2004
  5. ncbi request reprint Is the intensity of the highest fat oxidation at the lactate concentration of 2 mmol L(-1)? A comparison of two different exercise protocols
    S Bircher
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Eur J Clin Invest 35:491-8. 2005
  6. ncbi request reprint Influence of chronic supplementation of arginine aspartate in endurance athletes on performance and substrate metabolism - a randomized, double-blind, placebo-controlled study
    T Abel
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil
    Int J Sports Med 26:344-9. 2005
  7. ncbi request reprint Optimal exercise intensities for fat metabolism in handbike cycling and cycling
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 42:564-72. 2004
  8. ncbi request reprint Treadmill exercise testing with increasing inclination as exercise protocol for wheelchair athletes
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 39:633-6. 2001
  9. pmc Effects of different sodium concentrations in replacement fluids during prolonged exercise in women
    R Twerenbold
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Br J Sports Med 37:300-3; discussion 303. 2003
  10. ncbi request reprint Evaluation of sprint exercise testing protocols in wheelchair athletes
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 41:182-6. 2003

Collaborators

Detail Information

Publications28

  1. ncbi request reprint [Energy metabolism in long-term endurance sports: a case study]
    B Knechtle
    Institut fur Sportmedizin, Schweizer Paraplegiker Zentrum Nottwil
    Praxis (Bern 1994) 92:859-64. 2003
    ..This was due to the energy expenditure of about 10,000 calories per day. We concluded that it is extremely difficult or rather impossible to cover the total energy expenditure by nutrition during extreme events...
  2. ncbi request reprint Comparison of fat oxidation in arm cranking in spinal cord-injured people versus ergometry in cyclists
    Beat Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, 6207 Nottwil, Switzerland
    Eur J Appl Physiol 90:614-9. 2003
    ..We presume that well-trained wheelchair athletes can perform ergometer training on a stationary ergometer at 75% VO(2peak,armcranking). Results are presented as mean (SE)...
  3. ncbi request reprint Fat oxidation in men and women endurance athletes in running and cycling
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, 6207 Nottwil, Switzerland
    Int J Sports Med 25:38-44. 2004
    ..O (2)peak and 55 % V.O (2)peak for men and women in cycling and running. This is coincident with lactate threshold in men and women in cycling but not in running, where lactate threshold is higher than 75 % V.O (2)peak...
  4. ncbi request reprint Fat oxidation at different intensities in wheelchair racing
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 42:24-8. 2004
    ..Determination of fat oxidation at three different intensities in trained wheelchair athletes on the treadmill...
  5. ncbi request reprint Is the intensity of the highest fat oxidation at the lactate concentration of 2 mmol L(-1)? A comparison of two different exercise protocols
    S Bircher
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Eur J Clin Invest 35:491-8. 2005
    ....
  6. ncbi request reprint Influence of chronic supplementation of arginine aspartate in endurance athletes on performance and substrate metabolism - a randomized, double-blind, placebo-controlled study
    T Abel
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil
    Int J Sports Med 26:344-9. 2005
    ..The practice of using arginine aspartate as potential ergogenics should be critically reevaluated. Further investigations with higher dosage and extended supplementation periods should be performed...
  7. ncbi request reprint Optimal exercise intensities for fat metabolism in handbike cycling and cycling
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 42:564-72. 2004
    ..Energy expenditure (EE) and fat oxidation in handbike cycling compared to cycling in order to determine the intensity that elicits maximal fat oxidation in handbike cycling...
  8. ncbi request reprint Treadmill exercise testing with increasing inclination as exercise protocol for wheelchair athletes
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 39:633-6. 2001
    ..CONCLUSIONS: An exercise protocol with increasing inclination is a valid alternative to an exercise protocol with increasing velocity...
  9. pmc Effects of different sodium concentrations in replacement fluids during prolonged exercise in women
    R Twerenbold
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Br J Sports Med 37:300-3; discussion 303. 2003
    ..To investigate the effect of different sodium concentrations in replacement fluids on haematological variables and endurance performance during prolonged exercise...
  10. ncbi request reprint Evaluation of sprint exercise testing protocols in wheelchair athletes
    B Knechtle
    Institute of Sports Medicine, Swiss Paraplegic Centre, Nottwil, Switzerland
    Spinal Cord 41:182-6. 2003
    ..Comparison of five different exercise testing protocols with different speeds on a treadmill with seven wheelchair athletes...
  11. ncbi request reprint [Energy turnover in endurance exercise]
    B Knechtle
    Thurgauer Klinik St Katharinental, Diessenhofen
    Praxis (Bern 1994) 93:457-68. 2004
    ..Due to the limitation in energy stores in the muscles and the limitation of energy ingestion during exercise, a considerable energy deficiency in long lasting events over days has to be considered...
  12. ncbi request reprint Effect of a multistage ultra-endurance triathlon on body composition: World Challenge Deca Iron Triathlon 2006
    B Knechtle
    Gesundheitszentrum St Gallen, St Gallen, Switzerland
    Br J Sports Med 42:121-5; discussion 125. 2008
    ..To investigate the effect of a multistage ultra-endurance triathlon on body composition in ultra-triathletes...
  13. ncbi request reprint [A 12 hour indoor cycling marathon leads to a measurable decrease of adipose subcutaneous tissue]
    B Knechtle
    Gesundheitszentrum St Gallen
    Praxis (Bern 1994) 96:1071-7. 2007
    ..In order to confirm results obtained in a case study, a larger number of athletes would have to be analyzed. A possible oedema would have to be objectified by a bioelectrical impedance analysis...
  14. ncbi request reprint Effects of a Deca Iron Triathlon on body composition: a case study
    B Knechtle
    St Gallen, Gesundheitszentrum, St Gallen, Switzerland
    Int J Sports Med 29:343-51. 2008
    ..We presume that energy deficit was covered by consumption of adipose subcutaneous tissue as well as skeletal muscle mass; the degradation of muscle mass seems to lead to hypoproteinemic edemas...
  15. ncbi request reprint [12 hours running results in a decrease of the subcutaneous adipose tissue]
    B Knechtle
    Facharzt FMH fur Allgemeinmedizin, Gesundheitszentrum St Gallen
    Praxis (Bern 1994) 96:1423-9. 2007
    ..The difference between determining fat mass with the skin fold method or with the bioelectrical impedance analysis is discussed...
  16. ncbi request reprint [Swimming for 12 hours leads to no reduction of adipose subcutaneous tissue--a case study]
    B Knechtle
    Gesundheitszentrum St Gallen
    Praxis (Bern 1994) 96:1805-10. 2007
    ..In order to confirm these results obtained in a case study regarding the decrease of skeletal muscle mass with stable fat mass during prolonged swimming exercise, a larger number of athletes would have to be analyzed...
  17. ncbi request reprint Cycling and running performance, not anthropometric factors, are associated with race performance in a Triple Iron Triathlon
    B Knechtle
    Gesundheitszentrum St Gallen, St Gallen, Switzerland
    Res Sports Med 15:257-69. 2007
    ..Total race performance is associated with performance in cycling and running, not in swimming...
  18. ncbi request reprint Upper arm circumference is associated with race performance in ultra-endurance runners
    B Knechtle
    Gesundheitszentrum St Gallen, St Gallen, Switzerland
    Br J Sports Med 42:295-9; discussion 299. 2008
    ..To investigate the association of anthropometric parameters to race performance in ultra-endurance runners in a multistage ultra-endurance run...
  19. ncbi request reprint [Effect of ultra-endurance swimming on body composition--marathon swim 2006 from Rapperswil to Zurich]
    B Knechtle
    Gesundheitszentrum St Gallen
    Praxis (Bern 1994) 96:585-9. 2007
    ..Despite adequate energy intake during the load, an energy deficit of 500 kcal per hour occurred, which resulted in a loss of 1.1 kg body mass within 9 hours of swimming...
  20. ncbi request reprint [Influence of physical activity on mental well-being and psychiatric disorders]
    B Knechtle
    Institut fur Sportmedizin, Schweizer Paraplegiker Zentrum, Nottwil
    Praxis (Bern 1994) 93:1403-11. 2004
    ..Physical training has to be integrated in a concept due to the fact the physical exercise can not replace medicinal therapy. It has to be postulated that improved mood is a result of increased endogenous opioids...
  21. ncbi request reprint [Changes in body composition during an extreme endurance run]
    B Knechtle
    Thurgauer Klinik St Katharinental, Diessenhofen
    Praxis (Bern 1994) 94:371-7. 2005
    ..We presume that during running as eccentric exercise subcutaneous adipose tissue and muscle mass will be oxidised...
  22. ncbi request reprint Energy turnover at the Race Across AMerica (RAAM) - a case report
    B Knechtle
    Praxis Gesundheitszentrum St Gallen, Switzerland
    Int J Sports Med 26:499-503. 2005
    ..Further investigation should be performed in order to determine whether either muscle mass or body fat will be lost in extreme endurance cycling...
  23. ncbi request reprint [Exercise intensity and fat burning--theoretical principles and practical considerations]
    B Knechtle
    Institut fur Sportmedizin, Schweizer Paraplegiker Zentrum, Nottwil
    Praxis (Bern 1994) 91:915-9. 2002
    ..Therefore, different intensities for trained compared to untrained persons have to be recommended in order to burn fat. The determination of concentrations of lactate seems to be of important practical use...
  24. ncbi request reprint [Does running increase the risk of osteoarthritis?]
    A Frohnauer
    Gesundheitszentrum
    Praxis (Bern 1994) 95:1305-16. 2006
    ..Runners do not show a higher risk of developing joint arthritis on their lower extremities. However, frequency of arthritis is significantly higher in inactive and obese persons...
  25. ncbi request reprint [Run across Switzerland--effect on body fat and muscle mass]
    B Knechtle
    Praxis (Bern 1994) 96:281-6. 2007
    ..15 000 kcal were taken in and more than 18000 kcal were consumed which resulted in a body weight loss of 0.400 kg, muscle mass was reduced by 1.020 kg and fat mass by 0.300 kg...
  26. ncbi request reprint [The effect of a multi-stage ultra-endurance triathlon over ten times an iron-man-triathlon on fat mass and skeletal muscle mass--the world challenge deca iron 2006]
    B Knechtle
    Gesundheitszentrum St Gallen
    Praxis (Bern 1994) 97:885-92. 2008
    ..Body mass did not change (p > 0.05), whereas skeletal muscle mass statistically significantly decreased by 1.1 kg (p < 0.05) and fat mass significantly decreased by 0.9 kg (p < 0.05)...
  27. ncbi request reprint [Running helps--or how you escape depression without a psychiatrist and end up running a marathon!]
    B Knechtle
    Gesundheitszentrum St Gallen, St Gallen
    Praxis (Bern 1994) 96:1351-6. 2007
    ..Thanks to progressively increasing running training, the patient was able to run a half-marathon in her first training year and aims for marathon and Powerman-Duathlon in the future...
  28. ncbi request reprint [Nutritional behaviours in ultra-endurance runners--Deutschlandlauf 2006]
    B Knechtle
    Gesundheitszentrum St Gallen
    Praxis (Bern 1994) 97:243-51. 2008
    ....