Design and Evaluation of a Modified Underwater Cycle Ergometer

Canadian Journal of Applied Physiology

Volumn 21, Issue 2, 1996, Pages 134-148

  Chen, An A ^a   Kenny, Glen P ^a   Johnston, Chad E ^a   Giesbrecht, Gordon G ^a  

^a UNIVERSITY OF MANITOBA   (Canada)

Author keywords

Core temperature; Esophageal temperature; Exercise; Heat balance; Heat loss; Heat production; Power output; Resistance; Skin temperature; Thermoregulation; Work

Indexed keywords

ALUMINUM; WATER;

ADULT; AIR; ARTICLE; BICYCLE; BODY POSTURE; COMPARATIVE STUDY; EQUIPMENT DESIGN; ERGOMETRY; EVALUATION; EXERCISE; EXERCISE TEST; EXERCISE TOLERANCE; FEMALE; HEART RATE; HUMAN; INSTRUMENTATION; MALE; OXYGEN CONSUMPTION; PHYSIOLOGY;

ADULT; AIR; ALUMINUM; BICYCLING; EQUIPMENT DESIGN; ERGOMETRY; EVALUATION STUDIES; EXERCISE TEST; EXERCISE TOLERANCE; EXERTION; FEMALE; HEART RATE; HUMANS; MALE; OXYGEN CONSUMPTION; POSTURE; WATER;

EID: 0030122417     PISSN: 10667814     EISSN: None     Source Type: Journal    
DOI: 10.1139/h96-012     Document Type: Article

References (31)

1. Åstrand, P.O. (n.d.). Work Tests With the Bicycle Ergometer. Varberg, Sweden: Monark AB.
2. Bristow, G.K., Sessler, D.I., and Giesbrecht, G.G. (1994). Leg temperature and heat content in humans during immersion hypothermia and rewarming. Aviat. Space Environ. Med. 65: 220-226.
3. Carmichael, J., Loomis, J., and Hodgson, L. (1982). The effect of crank length on oxygen consumption and heart rate when cycling at a constant power output. Med. Sci, Sports Exerc. 14: 162.
4. Christie, J.L., Sheldahl, L.M., Tristani, F.E., Wann, S.L., Sagar, K.B., Levandoski, S.G., Ptacin, M.J., Sobocinski, K.A., and Morris, R.D. (1990). Cardiovascular regulation during head-out water immersion exercise. J. Appl. Physiol. 69: 657-664.
5. Cooper, K.E., Ferres, H.M., Kenyon, J.R., and Wendt, F. (1957). A comparison of oesophageal, rectal and para-aortic temperatures during hypothermia in man. Br. J. Surg. 44: 616-619.
6. Craig, A.B., and Dvorak, M. (1969). Comparison of exercise in air and water of different temperatures. Med. Sci. Sports 1: 124-130.
7. Echt, M., Lange, L., and Gauer, O.H. (1974). Changes in peripheral venous tone and central transmural pressure during immersion in a thermoneutral bath. Pfluegers Arch. 352: 211-217.
8. Faria, I., Dix, C., and Frazer, C. (1978). Effect of body position during cycling on heart rate, pulmonary ventilation, oxygen uptake and work output. J. Sports Med. 18: 49-56.
9. Giesbrecht, G.G., and Bristow, G.K. (1992). A second postcooling afterdrop: More evidence for a convective mechanism. J. Appl. Physiol. 73: 1253-1258.
10. Hagberg, J., Mullin, J., Giese, M., and Spitznagel, E. (1981). Effect of pedaling rate on submaximal exercise responses of competitive cyclists. J. Appl. Physiol. 51: 447-451.
11. Israel, D.J., Heydon, K.M., Edlich, R.F., Pozos, R.S., and Wittmers, L.E., Jr. (1989). Core temperature response to immersed bicycle ergometer exercise at water temperatures of 21°, 25°, and 29°C. J. Burn Care Rehabil. 10: 336-345.
12. Johnson, J.M. (1992). Exercise and cutaneous circulation. Exerc. Sports Sci. Rev. 20: 59-97.
13. Johnson, J.M., and Park, M.K. (1982). Effect of heat stress on cutaneous vascular responses to the initiation of exercise. J. Appl. Physiol. 53: 744-749.
14. Johnston, C.E., Elias, D., Bristow, G.K., and Giesbrecht, G.G. (1994). Human temperature regulation following ethanol ingestion. FASEB J. 8: A286. (Abstract)
15. Johnston, C.E., White, M.D., Wu, M., Elias, D.A., and Giesbrecht, G.G. (1996). Eucapnic hypoxia lowers human cold thermoregulatory response thresholds and accelerates core cooling. J. Appl. Physiol 80: 422-429.
16. Kenny, G.P., Reardon, F.D., Marion, A., and Thoden, J.S. (in press). A comparative analysis of physiological responses at submaximal work loads between simulated task performances of cycling. Eur. J. Appl. Physiol.
17. Lange, L., Lange, S., Echt, M., and Gauer, O.H. (1974). Heart volume in relation to body posture and immersion in a thermoneutral bath. Pfluegers Arch. 352: 219-226.
18. McMahon, T.A. (1984). Muscles, Reflexes, and Locomotion. Princeton, NJ: Princeton University Press.
19. Mekjavic, I.B., and Bligh, J. (1989). The core threshold for sweating. Can. J. Physiol. Pharmacol. 67: 1038-1044.
20. Mekjavic, I.B., and Rempel, M.E. (1990). Determination of esophageal probe insertion length based on standing and sitting height. J. Appl. Physiol. 69: 376-379.
21. Mekjavic, I.B., Sundberg, C.J., and Linnarsson, D. (1991). Core temperature "null zone." J. Appl. Physiol. 71: 1289-1295.
22. Morlock, J.F., and Dressendorfer, R.H. (1974). Modification of a standard bicycle ergometer for underwater use. Undersea Biomed. Res. 1: 335-342.
23. Saltin, B., and Hermansen, L. (1966). Esophageal, rectal, and muscle temperature during exercise. J. Appl. Physiol. 21: 1757-1762.
24. Sawka, M.N., and Wenger, C.B. (1988). Physiological responses to acute exercise-heat stress. In: Pandolf, K.B., Sawka, M.N., Gonzalez, R.R. (Eds.), Human Performance Physiology and Environmental Medicine at Terrestrial Extremes, pp. 97-152. New York: Benchmark.
25. Shapiro, Y., Avellini, B.A., Toner, M.M., and Pandolf, K.B. (1981) Modification of the Monark bicycle ergometer for underwater exercise. J. Appl. Physiol.: Respirat. Environ. Exercise Physiol. 50: 679-683.
26. Sheldahl, L.M., Tristani, F.E., Clifford, P.S., and Hughes, C.V. (1987). Effect of head-out water immersion on cardiorespiratory response to dynamic exercise. J. Am. Col. Cardiol. 10: 1254-1258.
27. Shernum, P.L., and deVries, H.A. (1976). The effect of saddle height on oxygen consumption during bicycle ergometer work. Med. Sci. Sports. 8: 119-121.
28. Snedecor, G., and Cochran, W. (1980). Statistical Methods. Ames: Iowa State University Press.
29. Thoden, J.S., Wilson, B.A., and MacDougall, J.D. (1982). Testing aerobic power. In: MacDougall, J.D., Wenger, H.A., Green, H.J. (Eds.), Physiological Testing of the Elite Athlete, pp. 39-54. Champaign, IL: Human Kinetics.
30. Too, D. (1991). The effect of hip position/configuration on anaerobic power and capacity in cycling. Int. J. Sport Biomechanics 7: 359-370.
31. Walsh-Riddle, M., and Blumenthal, J.A. (1989). Cardiovascular responses during upright and semi-recumbent cycle ergometry. Med. Sci. Sports Exerc. 21: 581-585.