Volume 10(2): October, 2004

TEMPERATURE AND PERFORMANCE 3

This second issue of Volume 10 of Coaching Science Abstracts reviews articles concerned with heat, cold, temperature, and fluid regulation in sports. Two previous issues, Volume 3(6) and Volume 7(2), also dealt with this topic. The information from those sourcea 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. FEMALE PHYSIOLOGY FUNCTIONS BETTER THAN MALES IN THE HEAT

    Swan, J. G., Ruby, B. C., Sharkey, B. J., & Puchkoff, J. E. (2000). Gender comparison of long-term exercise and three hydration strategies in a heated environment. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 680.

  2. MENSTRUAL CYCLE PHASE (LUTEAL) PROMOTES GREATER THERMOREGULATORY STRESS AND CARDIOVASCULAR STRAIN

    Tladi, D. M., Cosio-Lima, L., Cayer, T. L., & Paolone, V. (2003). Effects of the menstrual cycle on the sweating response of women in a hot environment. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1105.

  3. FLUID INTAKE IS NOT AFFECTED BY MENSTRUAL CYCLE PHASE

    Ormerod, J. K., & Haymes, E. M. (2003). The effect of menstrual cycle phase on fluid intake during exercise in the heat. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1103.

  4. PREPUBESCENT AND ADOLESCENT ATHLETES COMBAT HEAT DIFFERENTLY AT COMPETITIONS

    Grove, A. J., Gomez, J. E., & Holcomb, R. A. (2002). Fluid intake, exertion, and dehydration in youth track athletes in extreme conditions. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 770.

  5. COLLEGIATE ATHLETES NEED TO ATTEND TO FLUID INTAKE

    Poule, K. A., & Volpe, S. L. (2001). Assessment of hydration status of collegiate athletes. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 1442.

  6. INGESTED CHO IS USED LESS IN HOT THAN IN COOL TEMPERATURES

    Jentjens, R. L., Bridge, M. W., Wagenmakers, A. J., & Jeukendrup, A. E. (2001). Reduced oxidation of ingested carbohydrates during exercise in the heat. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 19.

  7. SALT AND FLUID LOSS IS ASSOCIATED WITH WHOLE-BODY CRAMPING

    Stofan, J. R., Zachwieja, J. J., Horswill, C. A., Lacambra, M., & Murray, R. (2003). Sweat and sodium losses in NCAA Division I football players with a history of whole-body muscle cramping. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 262.

  8. FLUID INTAKE IS IMPORTANT IN THE COLD

    Kenefick, R. W., Castellani, J. W., Mahood, N. V., Hazzard, M. P., & Quinn, T. J. (2001). Thirst sensations are attenuated during exercise-cold exposure in several hydration states. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 1438.

  9. HOT WATER REDUCES SWIMMING PERFORMANCE

    Armstrong, D. W., Herzig, T. C., Keyser, D. O., Pruschki, D., & Deuswter, P. A. (2003). Correlates of peak body temperature during warm water (37oC) swimming. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 154.

    ADAPTATION

  10. ACCLIMATION TO HEAT CAN BE ACHIEVED IN FIVE DAYS

    Liang, M. T., & Chen, C. Y. (2000). Skin blood flow after 5 days of heat exposure and exercise in top-level athletes. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 454.

  11. HEAT MANAGEMENT IS IMPORTANT WHEN EXERCISING IN THE HEAT

    Arngrimsson, S. A., Stewart, D. J., Borrani, F., Skinner, K. A., & Cureton, K. J. (2001). Critical core temperature limits VO2max in the heat. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract .

  12. 14 DAYS IS TOO SHORT FOR HEAT ACCLIMATIZATION

    Voltaire, B., Galy, O., Coste, O., Racinais, S., Calllis, A., Blonc, S., Hertogh, C., & Hue, O. (2002). Effect of fourteen days of acclimatization on athletic performance in tropical climate. Canadian Journal of Applied Physiology, 27, 551-562.

  13. SHORT-TERM HEAT ACCLIMATION LASTS ONE WEEK

    Garrett, A. T., Goossens, N. G., Rehrer, N. J., Patterson, M. J., & Cotter, J. D. (2003). The induction and decay of short-term heat acclimation. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 158.

  14. RESPONSE TO COLD MORE EXTREME IN OLD THAN YOUNG MALES

    Potkanowicz, E. S., Caine, N., Otterstetter, R., & Glickman, E. L. (2002). Thermoregulatory responses of old vs. young males at 12, 18, and 27 degrees Celsius for 120 minutes. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 801.

    DYNAMICS OF TEMPERATURE ADAPTATION

  15. PRECOOLING REDUCES SWEATING IN THE HEAT

    Wilson, T. E., White, A. T., Davis, S. L., Leutkemeier, M. L., & Johnson, S. C. (2000). Effect of precooling on sweat function during exercise induced thermal loads. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 457.

  16. PRECOOLING HELPS THERMOREGULATION IN EXERCISE

    Davis, S. L., Wilson, T. E., Schaffer, R. A., Dolan, R. L., & White, A. T. (2001). Exercise and thermoregulatory responses to lower limb and whole body precooling. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 254.

  17. PRE-COOLING IMPAIRS HIGH-INTENSITY PERFORMANCE

    Mitchell, J. B., McFarlin, B. K., & Dugas, J. P. (2003). The effect of pre-exercise cooling on high intensity running performance in the heat. International Journal of Sports Medicine, 24, 118-124.

  18. PRE-COOLING DOES NOT IMPROVE SPRINT PERFORMANCE IN TEMPERATE ENVIRONMENTS

    Cheung, S. S. (2003). Wingate sprinting performance in temperate environments following upper body pre-cooling. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 157.

  19. RAPID COOLING BENEFITS PERFORMANCE IN THE HEAT

    Casa, D. J., McClung, J. M., Knight, J. C., Goss, P. J., Hipp, G. R., Harvard, W. R., & Clements, J. M. (2000). Body cooling between two bouts of exercise in the heat enhances performance during the second bout. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 825.

  20. WEARING A COOLING VEST EXTENDS PERFORMANCE IN THE HEAT

    Ryan, M. J., & Pascoe, D. D. (2000). Influence of a cooled vest on work time to raise core body temperature. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 902.

  21. COOLING THE HEAD MAKES THE HEAD COOLER (BUT NOT THE BODY)

    Ferguson, R. H., & Brown, B. S. (2000). The effectiveness of a personal cooling device during endurance exercise in high ambient temperatures. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 898.

  22. ICING BETWEEN HIGH-INTENSITY EXERCISE BOUTS IMPROVES PERFORMANCE

    Verducci, F. M. (2000). Interval cryotherapy decreases fatigue during repeated weight lifting. Journal of Athletic Training, 35, 422-426.

  23. COOLING-VEST REDUCES THERMAL STRESS WHEN EXERCISING IN THE HEAT

    Yoon, S., Jeong, I. G., & Pascoe, D. D. (2001). Efficacy of a cooled vest wear on thermal responses during cycling exercise. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 914.

  24. COTTON SHIRTS ARE "HOTTER" THAN NYLON SHIRTS OR BARE-CHEST CONDITIONS

    Easler, S. J., Onoda, K., Debruin, J., Mills, C., & Paolone, V. J. (2001). Effects of clothing on thermoregulation in exercising males. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 1257.

  25. DO NOT WEAR SWIM CAPS WHEN TRAINING IN WARM WATER

    Matsunami, M., &Taimura, A. (2001). Thermoregulatory and perceptual response to swimming with a cap. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 751.

  26. WATERPROOF SWIM CAPS HEAT UP SWIMMERS

    Matsunami, M., Taimura, A., & Sugawara, M. (2003). Thermal responses in swimming is affected by the material of swim caps. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 148.

  27. A MESH SWIMMING CAP SHOULD BE WORN IN WARM WATER

    Matsunami, M., & Taimura, A. (2002). Effects of swim caps on head and body temperature during swimming. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 131.

  28. BODYSUITS INCREASE THERMAL REACTIONS TO SWIMMING

    Taimura, A., Matsunami, M., & Sugawara, M. (2003). Thermal responses to swimming: The influence of bodysuits. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 147.

  29. SPRINTING IN THE HEAT NOT EFFECTED BY CHO INTAKE

    Roti, M. W., Hatch, J. L., Sutherland, J. W., Mahood, N. V., Clements, J. M., Seen, A. D., Fiala, K. A., Casa, D. J., Armstrong, L. E., & Maresh, C. M (2002). Influences of exogenous carbohydrate ingestion on running performance and physiological variables in the heat. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 767.

  30. CREATINE INCREASES PERFORMANCE IN THE HEAT IN "RESPONDERS"

    Pitsiladis, Y. P., Georgiades, E., Minnion, R. H., Kingsmore, D., & Kilduff, L. P. (2003). Effects of creatine supplementation on exercise performance in the heat in endurance-trained humans. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 165.

  31. POST-EXERCISE COOLING HAS AN EFFECT ON SUBMAXIMAL PERFORMANCE

    Fowles, J. R., Boutilier, G., & Murphy, R. J. (2003). Cold water immersion following intense interval running improves subsequent running performance. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 183.

  32. BODY COOLING DECREASES THE THIRST SENSATION

    Casa, D. J., McClung, J. M., Knight, J. C., Clements, J. M., Caldwell, K. A., Goss, P. J., Harvard, W. R., & Hipp, G. R. (2003). Body cooling between exercise sessions in the heat decreases thirst in the absence of rehydration. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1728.

  33. CREATINE DOES NOT AFFECT HEAT REGULATION

    Barkdull, T., J., O'Brien, K. K., Bathalon, G. P., Armstrong, D. W., & Deuster, P. A. (2000). Cratine's effects on heat dissipation during submaximal aerobic exercise. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 455.

  34. CREATINE DOES NOT INTERFERE WITH THERMOREGULATION

    Mendel, R. W., Cheatham, C. C., & Sinning, W. E. (2000). Creatine supplementation effects on cardiovascular and thermal responses during exercise in the heat. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 900.

  35. PERCEPTIONS OF WORK IN THE HEAT NOT AMELIORATED BY CREATINE

    Krog, K. N., Casa, D. J., Fiala, K. A., Roti, M. W., Hile, A. M., Armstrong, L. E., & Maresh, C. M. (2003). Effect of creatine monohydrate supplementation on perceptual responses to exercise in the heat while dehydrated. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1209.

    DEHYDRATION AND REHYDRATION

  36. MORNING EXERCISE PRODUCES GREATER DEHYDRATION THAN IN THE EVENING

    Wang, R., Zhao, R., Shi, X., & Shi, X. (2003). Circadian influence on change in body fluid during exercise. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1376.

  37. FLUID STATE BEFORE A ONE-HOUR TASK IS THE MOST IMPORTANT ASPECT OF FLUID STATUS

    Palmer, G. S., van Someren, K. A., & Backx, K. (2001). No effect of fluid volume on performance during 1-hour cycling time trial in thermoneutral environment. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 1453.

  38. PATTERN OF FLUID INTAKE DOES NOT AFFECT THERMOREGULATION

    Ferguson, M. A., Lennon, S., McCoy, S., & Mosher, P. (2002). Effects of different fluid intake patterns on thermoregulatory variables. Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 771.

  39. AD LIB FLUID REPLACEMENTS ARE ADEQUATE IN FEMALE LONG DISTANCE RUNNERS

    Cheuvront, S. N., Woodard, M. R., Ruble, M. J., DeRuisseau, K. C., Ostler, D. M., & Haymes, E. M. (2000). Fluid intakes and thermoregulatory responses of female marathon runners in two environments. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 458.

  40. SPORT DRINK EFFECTS ARE SIMILAR FOR BOTH GENDERS

    Wingo, J. E., Cureton, K. J., Millard-Stafford, M. L., & Stueck, M. G. (2003). Effects of sport drink ingestion in male and female cyclists. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1724.

  41. GLYCEROL PROMOTES FLUID RETENTION

    Collins, M. G., Dolny, D. D., Gabel, K., Stephens, B., & Ryan, C. (2000). Effects of three hyperhydration solutions on cardiovascular and thermoregulatory responses, blood volume and running performance. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 916.

  42. TEMPERATURE OF INGESTED WATER DOES NOT AFFECT PERFORMANCE

    Rodrigues, L. O., Castro-Pinto, K. M., Viveiros, J. P., & Silami-Garcia, E. (2001). Temperature of the ingested water on fatigue during exercise until exhaustion in a thermoneutral environment. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 785.

  43. EXTERNAL WATER REPLACEMENT PROCEDURES CAN BE EXCESSIVE

    Amorim, F. T., Rodriguez, L. O., Oliveira, A., Bonfim, I. P., & Silami-Garcia, E. (2001). Water replacement and kidney function during exercise in a hot humid environment. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 787.

  44. FLUID RESERVOIRS PREFERRED BY RUNNERS

    Clements, J. M., Casa, D. J., McClung, J. M., Knight, J. C., Harvard, W. R., Hipp, G. R., & Blake, A. S. (2000). Fluid replacement during trail running in the heat: Hip-mounted water bottles vs hip-mounted reservoir. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 904.

  45. SEASONED RUNNERS UNDERESTIMATE FLUID NEEDS IN RACES

    Horn, M., Stofan, J., Passe, D., & Murray, R. (2001). Perceptions of fluid intake and sweat loss during a ten mile race. Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 1444.

  46. WATER AND CHO ARE EQUALLY PREFERABLE DURING A 2-HOUR PRACTICE

    Herm, L., Ficek, S., Simmons, D., Olson, A., & Bacharach, D. (2001). How effective is a sport drink in enhancing performance of football practice drills? Medicine and Science in Sports and Exercise, 33(5), Supplement abstract 1452.

  47. THREE REHYDRATION FLUIDS HAVE SIMILAR EFFECTS

    Mayol-Soto, M. L., & Aragon-Vargas, L. F. (2002). Post-exercise rehydration with different beverages: Water, sports drink, and "Jamaica Drink". Medicine and Science in Sports and Exercise, 34(5), Supplement abstract 772.

  48. HYPONATREMIA IS DIFFICULT TO PREDICT

    Speedy, D. B., Noakes, T. D., Boswell, T., Thompson, J. M., Rehrer, N., & Boswell, D. R. (2001). Response to fluid load in athletes with a history of exercise induced hyponatremia. Medicine and Science in Sports and Exercise, 33, 1434-1442.

  49. SODIUM SUPPLEMENTATION DOES NOT PREVENT HYPONATREMIA

    Cianca, J., C., Chorley, J. N., Divine, J. G., & Hew, T. D. (2003). Sodium supplementation in marathon runners. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1373.

  50. SENSIBLE FLUID INTAKE IS NEEDED AT SOCCER PRACTICES

    Shirreffs, S. M., Aragon-Vargus, L. F., Chamorro, M., Maughan, R. J., Serratosa, L., & Zachwieja, J. J. (2003). Sweating response of elite professional soccer players. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 140.

  51. REHYDRATION PROMOTES SKILL MAINTENANCE AT TRAINING

    Solera, A., & Salazar, W. (2003). Influence of dehydration and rehydration on basketball free throw accuracy. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 151.

  52. EXCESSIVE FLUID INTAKE LEADS TO EXCESSIVE ELECTROLYTE LOSS IN ENDURANCE ACTIVITIES

    Chorley, J. N., Cianca, J. C., Divine, J. G., & Hew, T. (2003). Sodium and fluid balance in hyponatremic marathon runners and controls. Medicine and Science in Sports and Exercise, 35(5), Supplement abstract 1372.

  53. BETAINE NOT SHOWN TO PRODUCE AN EFFECT WHEN ADDED TO A REPLACEMENT FLUID

    Armstrong, L. E., Roti, M. W., Hatch, H. L., Sutherland, J. W., Mahood, N. V., Clements, J. M., Seen, A. D., Fiala, K. A., Craig, S. A., & Maresh, C. M. Rehydration with fluids containing betaine: Running performance and metabolism in a 31oC environment. Medicine and Science in Sports and Exercise, 35(5Supplement abstract 1726.

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