Volume 7(2): October, 2001

TEMPERATURE AND PERFORMANCE 2

This second issue of Volume 7 of Coaching Science Abstracts reviews articles concerned with heat, cold, temperature, and fluid regulation in sports. One previous issue, Volume 3(6), also dealt with this topic. The information from that source as well as that contained in this issue, will yield an extensive knowledge base of recent research in this aspect of sporting performance.

    TABLE OF CONTENTS

    GENERAL

  1. HEAT HAS LITTLE EFFECT ON ANAEROBIC PERFORMANCE AND RECOVERY

    Falk, B., Radom-Isaac, S., Hoffmann, J. R., Wang, Y., Yarom, Y., Magazanik, A., & Weingstein, Y. (1998). The effect of heat exposure on performance of and recovery from high-intensity, intermittent exercise. International Journal of Sports Medicine, 19, 1-6.

  2. HEAT INCREASES PERFORMER DISCOMFORT

    Nakajima, Y., Nakamura, Y., Hagiwara, A., Muraoka, L., & Ohta, F. (1998). Influence of ambient temperature on preferred intensity of exercise. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1609.

  3. LACTATE THRESHOLD IS AFFECTED MORE BY HEAT THAN BY HYDRATION

    Papadopoulos, C., Doyle, J. A., & Thompson, W. R. (1998). The effect of hypohydration on the lactate threshold in a hot and humid environment. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1612.

  4. CLOTHING FIBER AFFECTS PERFORMANCE

    Figuera Jr, A., Andrade, D., Araujo, T., & Matsudo, V. K. 1998). Influence of clothing on physiological response in top level athletes. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1626.

  5. HIGH-INTENSITY RUNNING IS AFFECTED BY FLUID LOSS IN HOT CONDITIONS

    Maxwell, N. S., Gardner, F., & Nimmo, M. A. (1999). Intermittent running: Muscle metabolism in the heat and effect of hypohydration [fluid loss]. Medicine and Science in Sports and Exercise, 31, 675-683.

  6. SUNCREAM DOES NOT INTERFERE WITH HEAT DISSIPATION IN THE HEAT

    Connolly, D. A., & Wilcox, A. R. (2000). The effects of an application of suncream on selected physiological variables during exercise in the heat. Journal of Sports Medicine and Physical Fitness, 40, 35-40.

  7. FATIGUE REDUCES ABILITY TO DEFEND AGAINST COLD

    Tikuisis, P., Keefe, A. A., & Inoue, A. (1999). The effect of exercise-induced fatigue on response to cold exposure: A case study. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 891.

  8. FATIGUE INCREASES SENSITIVITY TO COLD

    O'Brien, C., Castellani, J. W., & Young, A. J. (1999). Exertional fatigue alters cold-induced vasodilation. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 894.

  9. FATIGUE REDUCES INSULATION AGAINST THE COLD

    Young, A. J., Castellani, J. W., Kain, J. E., Rouse, A., & Sawka, M. N. (1999). Thermoregulation in the cold after exercise. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 896.

  10. CLOTHING FABRICS IN THE HEAT: IF IT FEELS GOOD, WEAR IT

    Haymes, E. M., Sharp, R., Hackmeyer, J., Vihlen, A., & Moore, M. A. (1999). Effect of clothing fabric on selected physiological responses to exercise in a hot, humid environment. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 910.

  11. CREATINE SUPPLEMENTATION NOT ASSOCIATED WITH CRAMPING FACTORS OR IMPROVED ANAEROBIC PERFORMANCE

    McArthur, P. D., Webster, M. J., Boyd, J. C., May, R. A., Eschbach, L. C., Eimer, A. J., Angelopoulos, T. J., Zoeller, R. F., & Krebs, G. V. (1999). Creatine supplementation and acute dehydration. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1276.

  12. HEAT ACCLIMATION DOES NOT IMPROVE PERFORMANCE AT NORMAL TEMPERATURES

    Morrison, J. P., Hopkins, W. G., & Sleivert, G. G. (1999). Effect of heat acclimation on endurance performance at normal temperatures in trained cyclists. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1389.

  13. SKIN PRECOOLING IMPROVES PERFORMANCE IN THE HEAT

    Kay, D., Marino, F. E., & Taffe, D. R. (1999). Improved cycling performance in warm humid conditions following whole body precooling. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1514.

  14. PRECOOLING FREES UP MORE BLOOD FOR MUSCULAR WORK

    Cable, N. T., & Weston, M. (1999). Pre-cooling reduces thermoregulatory strain and skin blood flow during exercise. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1515.

  15. COOLING PRODUCES A LOSS IN STRENGTH

    Comeau, M. J., & Potteiger, J. A. (1999). The effects of whole body cooling on force production in the quadriceps and hamstrings. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1516.

  16. 20 MINUTES OF COOLING DOES NOT ALTER MAXIMAL AEROBIC PERFORMANCE

    Dugas, J. P., Mitchell, J. B., McFarlin, B. K., Dewalch, D., & McBroom, M. (1999). The effect of twenty minutes of pre-exercise cooling on high-intensity running performance. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1517.

  17. THE FASTER ONE SWIMS, THE MORE ONE SWEATS

    Taimura, A., Sugawara, M., & Tsuchiya, K. (2000). Influence of water temperature and swimming velocity on body temperature and weight loss during swimming. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 679.

    ADAPTATION

  18. WOMEN ADAPT TO HEAT DIFFERENTLY TO GIRLS

    Seifert, J. G., & Seabright, J. (1998). Heat acclimation rates in prepubescent and adult females. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1267.

  19. RESISTANCE TRAINING DOES NOT AFFECT EXERCISING IN THE HEAT

    Thomas, C. M., Pierzga, J. M., & Kenney, W. L. (1998). Resistance training does not improve the skin blood flow response to exercise in the heat. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1610.

  20. SWIMMERS SWEAT DIFFERENTLY TO LAND-TRAINED ATHLETES

    Taimura, A., Sugawara, M., Yamauchi, M., Lee, J. B., Matsumoto, T., & Kosaka, M. (1998). Thermal sweating responses in swimmers. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1613.

    DYNAMICS OF TEMPERATURE ADAPTATION

  21. WATER-IMMERSION PRECOOLING INCREASES ENDURANCE PERFORMANCE IN THE HEAT

    Booth, J., Marino, F., & Ward, J. J. (1997). Improved running performance in hot humid conditions following whole body precooling. Medicine and Science in Sports and Exercise, 29, 943-949.

  22. PRECOOLING NOT RECOMMENDED FOR ENDURANCE EXERCISE IN A WARM ENVIRONMENT

    Bolster, D. R., Trappe, S. W., Short, K. R., Moore, M., Parcell, A. C., & Schulze, K. E. (1998). The effects of precooling on thermoregulation during subsequent exercise in a warm environment. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1270.

  23. PRE-COOLING EFFECTS ARE TRANSITORY FOR INTERMITTENT EXERCISE

    Drust, B., Cable, N. T., & Reilly, T. (1998). The effects of whole body pre-cooling on soccer-specific intermittent exercise performance. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1597.

  24. FLUID INGESTION NOT NECESSARY IN ONE-HOUR OF EXERCISE

    McConell, G. K., Stephens, t. J., & Canny, B. T. (1999). Fluid ingestion does not influence intense 1-h exercise performance in a mild environment. Medicine and Science in Sports and Exercise, 31, 386-392.

  25. STATE OF HYDRATION AFFECTS MOTOR CONTROL FACTORS

    Solera, A., Salazar, W., & Passe, D. (1999). Influence of dehydration and rehydration on cognitive processes. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 905.

    DEHYDRATION AND REHYDRATION

  26. FLUID INGESTION AND CHO/ELECTROLYTE REPLACEMENT IS IMPORTANT FOR EXERCISE IN THE COLD - WATER ALONE IS INSUFFICIENT

    Seifert, J. G., Luetkemeier, M. J., White, A. T., & Mino, L. M. (1998). The physiological effects of beverage ingestion during cross country ski training in elite collegiate skiers. Canadian Journal of Applied Physiology, 23, 66-73.

  27. ORAL IS PREFERABLE TO INTRAVENOUS REHYDRATION

    Herrera, J., Maresh, C., Armstrong, L., Casa, D., Kavouras, S., Stoppani, J., & Hacker, F. (1998). Perceptual responses to exercise in the heat following rapid oral and intravenous rehydration. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 35.

  28. MILD HYPOHYDRATION DOES NOT AFFECT PHYSIOLOGICAL MEASURES IN COMFORTABLE ENVIRONMENTS

    Kenefick, R. W., Mattern, C. O., Mahood, N. V., Anderson, S. E., Degroot, D. W., & Kertzer, R. (1998). The effect of hydration state on lactic acid threshold in highly trained males and females. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 627.

  29. CARBOHYDRATE HYDRATION ENHANCES COGNITIVE FUNCTION IN THE HEAT

    Puchkoff, J. E., Curry, L. A., Swan, J., Ruby, B. J., & Ruby, B. C. Effects of hydration status on cognitive function during extended exercise in the heat. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1617.

  30. EXERCISE OUTPUT NOT AFFECTED BY BODY MASS CHANGES DUE TO HYDRATION

    McDonough, P., Biggerstaff, K. D., Bearden, S. E., Bergen, J., Cheuvront, S B., & Haymes, E. B. (1998). Maximal cycle ergometry: The effect of changes in hydration status and body mass. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1623.

  31. DEHYDRATION NOT OF GREAT EFFECT ON TRAINED RUNNERS

    Whittlesey, M. J., Armstrong, L. E., Maresh, C. M., Elliott, T. A., Casa, D. J., & Kavouras, S. A. (1998). The effects of hypohyration on running economy in a mild (23 degrees Celsius) environment. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1624.

  32. GLYCEROL REHYDRATION IMPROVES AEROBIC PERFORMANCE

    Kavouras, S. A., Casa, D. J., Herrera, J. A., Hacker, F. T., Scheelt, T. P., Armstrong, L. E., Mack, G. W., & Maresh, C. M. (1998). Rehydration with glycerol: Endocrine, cardiovascular, and thermoregulatory effects during exercise in 37 degrees Celsius. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1890.

  33. AEROBIC PERFORMANCE IS SIMILAR AFTER DRINK AND INTRAVENOUS REHYDRATION

    Casa, D. J., Maresh, C. M. Armstrong, L. E., Kavouras, S. A., Herrera-Soto, J. A., Keith, N. R., Elliott, T. A., & Hacker, F. T. (1998). Intravenous versus oral rehydration during a brief period: Responses to subsequent exercise in the heat. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1891.

  34. WATER AS GOOD AS BRAND-NAME FLUIDS FOR MAINTAINING HYDRATION WHEN EXERCISING IN THE HEAT

    Girandola, R. N., Bassin, S. L., & Bharne, A. (1998). Maintaining thermal balance during exercise in heat; Effects of different replacement beverages. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1892.

  35. CONTINUOUS REHYDRATION IMPROVES THE ALPINE SKIING EXPERIENCE

    Burke, E. R., Seifert, J. G., White, A. T., & Luetkemeier, M. J. (1998). The effects of fluid ingestion during alpine skiing. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1893.

  36. FLAVORING, NaCl, AND CHO WHEN ADDED TO WATER RESTRICTS DEHYDRATION

    Wilk, B., & Bar-Or, O. (1998). Prevention of voluntary dehydration in men exercising in the heat. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1894.

  37. INTRAVENOUS FLUID REPLACEMENT ASSISTS HEAT EXHAUSTED ATHLETES

    Church, T. S., Stewart, G. W., Kay, J., Obermeyer, C., & Kirby, G. S. (1999). The effects of heat induced dehydration and IV fluid rehydration on plasma viscosity and the intrinsic ability of blood to deliver oxygen. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 143.

  38. WATER A GOOD FLUID FOR MODERATE ENDURANCE TRAINING

    Millard-Stafford, M., Rosskopf, L. B., Patel, S. P., & Burrell, D. J. (1999). Fluid uptake during cycling and post-exercise rehydration: Carbohydrate-electrolyte drinks versus water. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1612.

  39. SODIUM-CONTAINING BEVERAGES SHOULD BE USED WITH HIGH SWEATING

    Vrijens, D. M., & Rehrer, N. J. (1999). Sodium free ingestion decreases plasma sodium during exercise in the heat. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1613.

  40. GATORADE GOOD FOR FLUID REPLACEMENT IN EXTENDED EXERCISE

    Passe, D. H., Horn, M., & Murray, R. (1999). Palatability and voluntary intake of sports beverages, diluted fruit juice, and water during exercise. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1616.

  41. DEHYDRATION REDUCES STRENGTH

    Leutholtz, B. C., Schoffstall, J. E., Branch, J. D., & Swain, D. P. (1999). Effects of dehydration and rehydration on the 1-RM bench press of weight trained males. Medicine and Science in Sports and Exercise, 31(5), Supplement abstract 1626.

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