Tamara D Hew

Summary

Affiliation: University of Cape Town
Country: South Africa

Publications

  1. ncbi The treatment of symptomatic hyponatremia with hypertonic saline in an Ironman triathlete
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, Newlands 7725, South Africa
    Clin J Sport Med 17:68-9. 2007
  2. pmc Sodium supplementation is not required to maintain serum sodium concentrations during an Ironman triathlon
    T D Hew-Butler
    University of Cape Town, Newlands, Cape Town, South Africa
    Br J Sports Med 40:255-9. 2006
  3. doi Hypernatremia and intravenous fluid resuscitation in collapsed ultramarathon runners
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 18:273-8. 2008
  4. ncbi Maintenance of plasma volume and serum sodium concentration despite body weight loss in ironman triathletes
    Tamara Hew-Butler
    University of Capetown Medical Research Council Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 17:116-22. 2007
  5. ncbi Dysnatremia predicts a delayed recovery in collapsed ultramarathon runners
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, South Africa
    Clin J Sport Med 17:289-96. 2007
  6. ncbi Updated fluid recommendation: position statement from the International Marathon Medical Directors Association (IMMDA)
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 16:283-92. 2006
  7. ncbi Consensus statement of the 1st International Exercise-Associated Hyponatremia Consensus Development Conference, Cape Town, South Africa 2005
    Tamara Hew-Butler
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Sports Science Institute of South Africa, Department of Human Biology, University of Cape Town, Newlands, South Africa
    Clin J Sport Med 15:208-13. 2005
  8. ncbi Women hydrate more than men during a marathon race: hyponatremia in the Houston marathon: a report on 60 cases
    Tamara D Hew
    MRC UCT Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town Sport Science Institute of South Africa, Newlands, South Africa
    Clin J Sport Med 15:148-53. 2005
  9. ncbi Hyperoxia improves 20 km cycling time trial performance by increasing muscle activation levels while perceived exertion stays the same
    Ross Tucker
    MRC UCT Research Unit for Excercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Sports Science Institute of South Africa, P O Box 115, Newlands 7725, South Africa
    Eur J Appl Physiol 101:771-81. 2007
  10. doi The rate of increase in rating of perceived exertion predicts the duration of exercise to fatigue at a fixed power output in different environmental conditions
    Helen Crewe
    Department of Human Biology, University of Cape Town, Newlands, South Africa
    Eur J Appl Physiol 103:569-77. 2008

Collaborators

Detail Information

Publications21

  1. ncbi The treatment of symptomatic hyponatremia with hypertonic saline in an Ironman triathlete
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, Newlands 7725, South Africa
    Clin J Sport Med 17:68-9. 2007
  2. pmc Sodium supplementation is not required to maintain serum sodium concentrations during an Ironman triathlon
    T D Hew-Butler
    University of Cape Town, Newlands, Cape Town, South Africa
    Br J Sports Med 40:255-9. 2006
    ..Critical assessment of recommendations that athletes consume additional sodium during athletic events...
  3. doi Hypernatremia and intravenous fluid resuscitation in collapsed ultramarathon runners
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 18:273-8. 2008
    ....
  4. ncbi Maintenance of plasma volume and serum sodium concentration despite body weight loss in ironman triathletes
    Tamara Hew-Butler
    University of Capetown Medical Research Council Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 17:116-22. 2007
    ..To examine the relationship between body weight, plasma volume, and serum sodium concentration ([Na]) during prolonged endurance exercise...
  5. ncbi Dysnatremia predicts a delayed recovery in collapsed ultramarathon runners
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, South Africa
    Clin J Sport Med 17:289-96. 2007
    ....
  6. ncbi Updated fluid recommendation: position statement from the International Marathon Medical Directors Association (IMMDA)
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 16:283-92. 2006
  7. ncbi Consensus statement of the 1st International Exercise-Associated Hyponatremia Consensus Development Conference, Cape Town, South Africa 2005
    Tamara Hew-Butler
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Sports Science Institute of South Africa, Department of Human Biology, University of Cape Town, Newlands, South Africa
    Clin J Sport Med 15:208-13. 2005
  8. ncbi Women hydrate more than men during a marathon race: hyponatremia in the Houston marathon: a report on 60 cases
    Tamara D Hew
    MRC UCT Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town Sport Science Institute of South Africa, Newlands, South Africa
    Clin J Sport Med 15:148-53. 2005
    ..To examine the relationship between gender and the development of hyponatremia in marathon runners...
  9. ncbi Hyperoxia improves 20 km cycling time trial performance by increasing muscle activation levels while perceived exertion stays the same
    Ross Tucker
    MRC UCT Research Unit for Excercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Sports Science Institute of South Africa, P O Box 115, Newlands 7725, South Africa
    Eur J Appl Physiol 101:771-81. 2007
    ..We suggest that a complex, intelligent system regulates exercise performance through the control of muscle activation levels in an integrative manner under conditions of normoxia and hyperoxia...
  10. doi The rate of increase in rating of perceived exertion predicts the duration of exercise to fatigue at a fixed power output in different environmental conditions
    Helen Crewe
    Department of Human Biology, University of Cape Town, Newlands, South Africa
    Eur J Appl Physiol 103:569-77. 2008
    ..92). This study shows that the rate of increase in RPE predicts the duration of exercise to exhaustion at a constant power output in different environmental conditions...
  11. ncbi Impaired exercise performance in the heat is associated with an anticipatory reduction in skeletal muscle recruitment
    Ross Tucker
    MRC UCT Bioenergetics of Exercise Research Unit, University of Cape Town, Sports Science Institute of South Africa, PO Box 115, 7725, Newlands, South Africa
    Pflugers Arch 448:422-30. 2004
    ..This adaptation appears to form part of an anticipatory response which adjusts muscle recruitment and power output to reduce heat production, thereby ensuring that thermal homeostasis is maintained during exercise in the heat...
  12. doi Alternative methods of normalising EMG during cycling
    Yumna Albertus-Kajee
    UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, the University of Cape Town and the Sports Science Institute of SOUTH AFRICA, Cape Town, South Africa
    J Electromyogr Kinesiol 20:1036-43. 2010
    ..The data suggests that normalising EMG to dynamic methods is the most appropriate for examining muscle activity during cycling over different days and for once-off measurements...
  13. ncbi Effect of distance feedback on pacing strategy and perceived exertion during cycling
    Yumna Albertus
    MRC UCT Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, the University of Cape Town and the Sports Science Institute of SOUTH AFRICA, Cape Town, South Africa
    Med Sci Sports Exerc 37:461-8. 2005
    ..The aim of this study was to investigate whether providing incorrect distance feedback would alter pacing strategies, perceived exertion, and heart rate during 20-km cycling time trials (TT)...
  14. pmc The rate of heat storage mediates an anticipatory reduction in exercise intensity during cycling at a fixed rating of perceived exertion
    Ross Tucker
    University of Cape Town Medical Research Council UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, South Africa
    J Physiol 574:905-15. 2006
    ..This regulation maintains thermal homeostasis by reducing the exercise work rate and utilizing the subjective RPE specifically to ensure that excessive heat accumulation does not occur and cellular catastrophe is avoided...
  15. ncbi The role of information processing between the brain and peripheral physiological systems in pacing and perception of effort
    Alan St Clair Gibson
    Brain Sciences Research Group, MRC UCT Research Unit of Exercise Science and Sports Medicine, University of Cape Town, Cape Town, South Africa
    Sports Med 36:705-22. 2006
    ....
  16. doi Thermoregulation, fatigue and exercise modality
    Ross Tucker
    MRC UCT Research Unit of Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, Cape Town, South Africa
    Med Sport Sci 53:26-38. 2008
    ..The findings from studies utilising different exercise modalities (fixed intensity vs. self-paced) have produced an alternative hypothesis explaining exercise regulation...
  17. ncbi The science of sex verification and athletic performance
    Ross Tucker
    UCT MRC Research Unit for Exercise Science and Sports Medicine of the Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
    Int J Sports Physiol Perform 5:127-39. 2010
    ..This review will therefore provide the historical context of the debate and aim to discuss relevant physiological and performance aspects of the sex verification process...
  18. doi Statement of the Second International Exercise-Associated Hyponatremia Consensus Development Conference, New Zealand, 2007
    Tamara Hew-Butler
    University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 18:111-21. 2008
  19. pmc Osmotic and nonosmotic regulation of arginine vasopressin during prolonged endurance exercise
    Tamara Hew-Butler
    Department of Human Biology, University of Cape Town, Cape Town, South Africa
    J Clin Endocrinol Metab 93:2072-8. 2008
    ....
  20. doi Practical management of exercise-associated hyponatremic encephalopathy: the sodium paradox of non-osmotic vasopressin secretion
    Tamara Hew-Butler
    University of Cape Town, Cape Town, South Africa
    Clin J Sport Med 18:350-4. 2008
    ....
  21. ncbi Dipsogenic genes associated with weight changes during Ironman Triathlons
    Colleen J Saunders
    Medical Research Council of South Africa, MRC UCT Research Unit for Exercise Science and Sports Medicine, University of Cape Town, Newlands 7725, South Africa
    Hum Mol Genet 15:2980-7. 2006
    ..These findings suggest the involvement of the serotonergic pathways in the control of thirst and drinking behaviour and provide further evidence for the dipsogenic effect of circulating bradykinin...