Short-arm (1.9 m) +2.2 Gz acceleration: Isotonic exercise load-O2 uptake relationship

Aviation Space and Environmental Medicine

Volumn 70, Issue 12, 1999, Pages 1173-1182

  Greenleaf, John E ^a   Chou, Jennifer L ^a,b   Stad, Natalie J ^a,b   Leftheriotis, Georges P N ^c   Arndt, Naomi F ^a   Jackson, Catherine G R ^d   Simonson, Shawn R ^a   Barnes, Paul R ^b  

^a NASA AMES RESEARCH CENTER   (United States)

^b SAN FRANCISCO STATE UNIVERSITY   (United States)

^c Universite d'Angers   (France)

^d CALIFORNIA STATE UNIVERSITY   (United States)

Author keywords

Centrifugation; Exercise acceleration; Maximal work capacity; Passive acceleration heart rate; Pulmonary ventilation

Indexed keywords

ACCELERATION; ARTICLE; BICYCLE ERGOMETER; EXERCISE; FUNCTIONAL ANATOMY; HEART RATE VARIABILITY; HUMAN; ISOTONIC EXERCISE; LUNG VENTILATION; OXYGEN CONSUMPTION; SPACE FLIGHT; WORK CAPACITY;

NASA CENTER ARC; NASA DISCIPLINE REGULATORY PHYSIOLOGY; NASA PROGRAM BIOMEDICAL RESEARCH AND COUNTERMEASURES;

ACCELERATION; ADAPTATION, PHYSIOLOGICAL; ADULT; CARDIOVASCULAR DECONDITIONING; CENTRIFUGATION; EQUIPMENT DESIGN; EXERCISE TEST; EXERCISE THERAPY; FEMALE; HEART RATE; HUMANS; ISOTONIC CONTRACTION; LINEAR MODELS; MALE; MIDDLE AGED; OXYGEN CONSUMPTION; PULMONARY VENTILATION; SPACE FLIGHT; SUPINE POSITION; WEIGHTLESSNESS COUNTERMEASURES;

EID: 0032722792     PISSN: 00956562     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (22)

1. Bjurstedt H, Rosenhamer G, Wigertz O. High G environment and responses to graded exercise. J Appl Physiol 1968; 25:713-9
2. Buckey JC Jr, Lane LD, Levine BD, et al. Orthostatic intolerance after spaceflight. J Appl Physiol 1996; 81:7-18.
3. Burton, RR, Smith AH. Adaptation to acceleration environments. In: Fregly MJ, Blatteis MJ, eds. Handbook of physiology, section 4: environmental physiology, III. The gravitational environment. New York: Oxford University Press, 1996; Vol. 2, Chapt. 40:943-70.
4. Convertino VA. Exercise and adaptation to microgravity environments. In: Fregly MJ, Blatteis MJ, eds. Handbook of physiology, section 4: environmental physiology, III. The gravitational environment. New York: Oxford University Press, 1996; Vol. 2, Chapt. 36:815-43.
5. Fortney SM, Mikhaylov V, Lee SMC, et al. Body temperature and thermoregulation during submaximal exercise after 115-day space flight. Aviat Space Environ Med 1998; 69:137-44.
6. Fortney SM, Schneider VS, Greenleaf JE. The physiology of bed rest. In: Fregly MJ, Blatteis MJ, eds. Handbook of physiology, section 4: environmental physiology, III. The gravitational environment. New York: Oxford University Press, 1996; Vol. 2, Chapt. 39:889-939.
7. Greenleaf JE. Intensive exercise training during bed rest attenuates deconditioning. Med Sci Sports Exerc 1997; 29:207-15.
8. Greenleaf JE, Bernauer EM, Ertl AC, et al. Work capacity during 30 days of bed rest with isotonic and isokinetic exercise training. J Appl Physiol 1989; 67:1820-6.
9. Greenleaf JE, Bulbulian R, Bernauer EM, et al. Exercise-training protocols for astronauts in microgravity. J Appl Physiol 1989; 67:2191-204.
10. Greenleaf JE, Greenleaf CJ, Card DH, Saltin B. Exercise temperature regulation in man during acute exposure to simulated altitude. J Appl Physiol 1969; 23:66-9.
11. Greenleaf JE, Gundo DP, Watenpaugh DE, et al. Cycle-powered short radius (1.9 m) centrifuge: effect of exercise versus passive acceleration on heart rate in humans. Ames Research Center, Moffett Field, CA: 1997; NASA Tech. Memo. 110433. 10p.
12. Greenleaf JE, Wade CE, Leftheriotis G. Orthostatic responses following 30-day bed rest deconditioning with isotonic and isokinetic exercise training. Aviat Space Environ Med 1989; 60:527-42.
13. Levine BD, Lane LD, Watenpaugh DE, et al. Maximal exercise performance after adaptation to microgravity. J Appl Physiol 1996; 81:686-94.
14. Mulenburg GM, Vernikos J. Human powered centrifuge. US Patent 5,616, 104, April 1997.
15. Rosenhamer G. Influence of increased gravitational stress on the adaptation of cardiovascular and pulmonary function to exercise. Acta Physiol Scand 1967; 68:5-61.
16. Rosenhamer G. Antigravity effects of leg exercise. Acta Physiol Scand 1968; 72:72-80.
17. Shvartz E. Endurance fitness and orthostatic tolerance. Aviat Space Environ Med 1996; 67:935-9.
18. Steel RGD, Torrie JH. Principles and procedures of statistics. New York: McGraw-Hill, 1960: 187.
19. Vil-Vilyams IF. Principle approaches to selection of the short-arm centrifuge regimens for extended space flight. Acta Astronautica 1994; 33:221-9.
20. Vil-Vilyams IF, Shul'zhenko YeB. Functional state of the cardiovascular system under the combined effect of 28-day immersion, rotation on a short-arm centrifuge and exercise on a bicycle ergometer. Kosm Biol Aviakosm Med 1980; 14:42-5.
21. White PD, Nyberg JW, Finney LM, White WJ. Influence of periodic centrifugation on cardiovascular functions of man during bed rest. Santa Monica, CA: Douglas Aircraft, Co., Inc., 1966. Report DAC-59286, 47p.
22. White WJ, Nyberg JW, White PD, et al. Biomedical potential of a centrifuge in an orbiting laboratory. Santa Monica, CA: Douglas Aircraft, Co., Inc., 1965. Report SM-48703, 120p.