運動後急飲冰飲
Enhancing palatability of an ingested fluid is one way of improving the match between fluid intake and sweat output. Water palatability is influenced by several factors including temperature and flavoring (25,36). While most individuals prefer cool water, the preferred water temperature is influenced by cultural and learned behaviors. The most pleasurable water temperature during recovery from exercise was 5?C (78), although when water was ingested in large quantities, a temperature of ~15?-21?C was preferred (9,36). Experiments have also demonstrated that voluntary fluid intake is enhanced if the fluid is flavored (25,36) and/or sweetened (27). It is therefore reasonable to expect that the effect of flavoring and water temperature should increase fluid consumption during exercise, although there is insufficient evidence to support this hypothesis. In general, fluid replacement beverages that are sweetened (artificially or with sugars), flavored, and cooled to between 15? and 21?C should stimulate fluid intake (9,25,36,78).
9. Boulze, D., Montastruc, P. & Cabanac, M. (1983). Water intake, pleasure and water temperature in humans. Physiol. Behav. 30:97-102.
25. Engell, D., & Hirsch, E. (1990). Environmental and sensory modulation of fluid intake in humans. In: Thirst: Physiological and Psychological Aspects. D. J. Ramsay and D. A. Booth (Eds.). Berlin: Springer-Verlag, pp. 382-402.
36. Hubbard, R. W., Maller, O., Sawka, M. N., Francesconi, R. N., Drolet, L., & YOUNG, A. J. (1984). Voluntary dehydration and alliesthesia for water. J. Appl. Physiol. 57:868-875.
78. Sandick, B. L., Engell, d. B., & Maller, O. (1984). Perception of water temperature and effects for humans after exercise. Physiol. Behav. 32:851-855.
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