Application of acute maximal exercise to protect orthostatic tolerance after simulated microgravity

American Journal of Physiology - Regulatory Integrative and Comparative Physiology

Volumn 271, Issue 4 40-4, 1996, Pages

  Engelke, Keith A ^b   Doerr, Donald F ^b   Convertino, Victor A ^a  

^a Air Force Materiel Command   (United States)

^b NONE

Author keywords

baroreflex; bed rest; blood pressure; orthostasis; orthostatic hypotension; vasoconstriction

Indexed keywords

ADULT; ARTICLE; BED REST; BLOOD PRESSURE REGULATION; EXERCISE; HUMAN; MICROGRAVITY; NORMAL HUMAN; ORTHOSTATIC HYPERTENSION; PRESSORECEPTOR REFLEX; PRIORITY JOURNAL;

EID: 0029910939     PISSN: 03636119     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpregu.1996.271.4.r837     Document Type: Article

References (32)

1. Blamick, C. A., D. J. Goldwater, and V. A. Convertino. Leg vascular responsiveness during acute orthostasis following simulated weightlessness. Aviat. Space Environ. Med. 59: 40-43, 1988.
2. Blomqvist, C. G., and H. L. Stone. Cardiovascular adjustments to gravitational stress. In: Handbook of Physiology. The Cardiovascular System. Peripheral Circulation and Organ Blood Flow. Bethesda, MD: Am. Physiol. Soc., 1983, sect. 2, vol. III, pt. 2, chapt. 28. p. 1025-1063.
3. Bungo, M. W., J. B. Charles, and P. C. Johnson. Cardiovascular deconditioning during space shuttle flight and the use of saline as a countermeasure to orthostatic intolerance. Aviat. Space Environ. Med. 56: 985-990, 1985.
4. Butler, J., J. G. Kelly, K. O'Malley, and F. Pidgeon. β-Adrenoreceptor adaptation to acute exercise. J. Physiol. Lond, 344: 113-117, 1983.
5. Christiansen, J. C., C. Douglas, and J. S. Haldane. The absorption and dissociation of carbon dioxide by human blood. J. Physiol. Lond. 48: 244-277, 1917.
6. Convertino, V. A. Aerobic fitness, endurance training, and orthostatic intolerance. Exercise Sports Sci. Rev. 15: 223-259, 1987.
7. Convertino, V. A. Potential benefits of maximal exercise just prior to return from weightlessness. Aviat. Space Environ. Med. 58: 568-572, 1987.
8. Convertino, V. A. Exercise and adaptation to microgravity environments. In: Handbook of Physiology. Environmental Physiology. Bethesda, MD: Am. Physiol. Soc., 1996. sect. 4. vol. II, chapt. 36, p. 815-843.
9. Convertino, V. A., and W. C. Adams. Enhanced vagal baroreflex response during 24 h after acute exercise. Am. J. Physiol. 260 (Regulatory Integrative Comp. Physiol. 29): R570-R575, 1991.
10. Convertino, V. A., W. C. Adams, J. D. Shea, C. A. Thompson, and G. W. Hoffler. Impairment of carotid-cardiac vagal baroreflex in wheelchair-dependent quadriplegics. Am. J. Physiol. 260 (Regulatory Integrative Comp. Physiol. 29): R576-R580, 1991.
11. Convertino, V. A., D. F. Doerr, D. L. Eckberg, J. M. Fritsch, and J. Vernikos-Danellis. Head-down bed rest impairs vagal baroreflex responses and provokes orthostatic hypotension. J. Appl. Physiol. 68: 1458-1464, 1990
12. Convertino, V. A., D. F. Doerr, A. Guell, and J. F. Marini. Effects of acute exercise on attenuated vagal baroreflex function during bedrest. Aviat. Space Environ. Med. 63: 999-1003, 1992.
13. Convertino, V. A., D. F. Doerr, D. A. Ludwig, and J. Vernifcos. Effect of simulated microgravity on cardiopulmonary baroreflex control of forearm vascular resistance. Am. J. Physiol. 266 (Regulatory Integrative Comp. Physiol. 35): R1962-R1969, 1994.
14. Convertino, V. A., K. A. Engelke, D. A. Ludwig, and D. F. Doerr. Restoration of plasma volume after 16 days of head-down tilt induced by a single bout of maximal exercise. Am. J. Physiol. 270 (Regulatory Integrative Comp. Physiol. 39): R3-R10, 1996.
15. Convertino, V. A., K. L. Mathes, M. L. Lasley, C. M. Tomaselli, M. A. B. Frey, and G. W. Hoffler. Hemodynamic and hormonal responses to lower body negative pressure in men with varying profiles of strength and aerobic power. Eur. J. Appl. Physiol. 67: 492-498, 1994.
16. Cowley, A. W., Jr., J. F. Liard, and A. C. Guyton. Role of the baroreceptor reflex in daily control of arterial pressure and other variables in dogs. Circ. Res. 32: 564-576, 1973.
17. 2 rise during rebreathing. J. Appl. Physiol. 13: 159-164, 1958.
18. Eckberg, D. L., and J. M. Fritsch. Influence of ten day head-down bedrest on human carotid baroreceptor-eardiac reflex function. Acta Physiol. Scand. 144: 69-76, 1992.
19. Engelke, K. A., D. F. Doerr, and V. A. Convertino. A single bout of exhaustive exercise affects integrated baroreflex function after 16 days of head-down tilt. Am. J Physiol. 269 (Regulatory Integrative Comp. Physiol. 38): R614-R620, 1995.
20. Engelke, K. A., J. D. Shea, D. F. Doerr, and V. A. Convertino. Autonomic functions and orthostatic responses 24 h after acute intense exercise in paraplegic subjects. Am. J. Physiol. 266 (Regulatory Integrative Comp. Physiol. 35): R1189-R1196, 1994.
21. Fritsch, J. M., J. B. Charles, B. S. Bennett, M. M. Jones, and D. L. Eckberg. Short-duration spaceflight impairs human carotid baroreceptor-cardiac reflex responses. J. Appl. Physiol. 73: 664-671, 1992.
22. Gillen, C. M., R. Lee, G. W. Mack, C. M. Tomaselli, T. Nishiyasu, and E. R. Nadel. Plasma volume expansion in humans after a single intense exercise protocol. J. Appl. Physiol. 71: 1914-1920, 1991.
23. Hoffler, G. W. Cardiovascular studies of US space crews: an overview and perspective. In: Cardiovascular Flow Dynamics and Measurements, edited by N. H. C. Hwang and N. A. Normann. Baltimore, MD: University Park, 1977, p. 335-363.
24. Levine, B. Regulation of central blood volume and cardiac filling in endurance athletes. The Frank-Starling mechanism as a determinant of orthostatic tolerance. Med. Sci. Sports Exercise 25: 727-732, 1993.
25. Luft, U. C., L. G. Myhre, J. A. Loeppky, and M. D. Venters. A Study of Factors Affecting Tolerance to Gravitational Stress Simulated by Lower Body Negative Pressure. Albuquerque, NM: Lovelace Foundation, 1976, p. 1-60. (NASA contract NAS9-14472)
26. Pawelcyzk, J. A., and P. B. Raven. Reductions in central venous pressure improve carotid baroreflex responses in conscious men. Am. J. Physiol. 257 (Heart Circ. Physiol. 26): H1389-H1395, 1989.
27. Rowell, L. B. Human Circulation: Regulation During Physical Stress. New York: Oxford Univ. Press, 1986, p. 157.
28. Sather, T. M., D. J. Goldwater, L. D. Montgomery, and V. A. Convertino. Cardiovascular dynamics associated with tolerance to lower body negative pressure. Aviat. Space Environ. Med. 57: 413-419, 1986.
29. Shvartz, E., V. A. Convertino, L. C. Keil, and R. F. Haines. Orthostatic fluid-electrolyte and endocrine responses in fainters and non-fainters. J. Appl. Physiol. 51: 1404-1410, 1981.
30. Somers, V. K., J. Conway, M. Lewinter, and P. Sleight. The role of baroreflex sensitivity in post-exercise hypotension, J. Hypertens. 3: S129-S130, 1985.
31. Stegemann, J., U. Meier, W. Skipka, W. Hartlieb, B. Hemme, and U. Tibes. Effects of multi-hour immersion with intermittent exercise on urinary excretion and tilt table tolerance in athletes and nonathletes. Aviat. Space Environ. Med. 46: 26-29, 1975.
32. Thompson, C. A., D. L. Tatro, D. A. Ludwig, and V. A. Convertino. Baroreflex responses to acute changes in blood volume in humans. Am. J. Physiol. 259 (Regulatory Integrative Comp. Physiol. 28): R792-R798, 1990.