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Cardiovascular responses to rowing on a novel ergometer designed for both resistance and aerobic training in space
Mittuniversitetet, Fakulteten för humanvetenskap, Avdelningen för hälsovetenskap. Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för kvalitetsteknik, maskinteknik och matematik.
Mittuniversitetet, Fakulteten för humanvetenskap, Avdelningen för hälsovetenskap.
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2013 (engelsk)Inngår i: Aviation, Space and Environmental Medicine, ISSN 0095-6562, E-ISSN 1943-4448, Vol. 84, nr 5, s. 516-521Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background: Astronauts are required to perform both resistance and aerobic exercise while in orbit. This study assessed the aerobic energy yield and related physiological measurements using a nongravity dependent flywheel device designed for both resistance and aerobic exercise (RAD) in space. Methods: Eight physically active men and women performed all-out rowing on the RAD. For comparison, exercise was also carried out employing a commercially available rowing ergometer (C2). Results: Peak oxygen uptake during exercise using RAD and C2 averaged 3.11 ± 0.49 and 3.18 ± 0.50 L · min-1 respectively. Similarly, peak plasma lactate concentration (9.6 vs. 11.2 mmol · L-1), heart rate (183 vs. 184 bpm), and rate of perceived exertion (15.8 vs. 16.0) were comparable across exercise using the two devices. Discussion: Collectively, the results suggest that this novel exercise modality offers cardiovascular and metabolic responses, and thus aerobic exercise stimulus that is equally effective as that evoked by established technology for indoor rowing. Given the need for physiologically sound and highly effective exercise countermeasures that features small mass and envelope, and allows for resistance and aerobic exercise in a single apparatus, we believe this novel hardware should be considered for use in space. © by the Aerospace Medical Association, Alexandria, VA.

sted, utgiver, år, opplag, sider
2013. Vol. 84, nr 5, s. 516-521
Emneord [en]
Aerobic power, Astronaut health and fitness, Cardiovascular deconditioning
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Identifikatorer
URN: urn:nbn:se:miun:diva-19365DOI: 10.3357/ASEM.3552.2013ISI: 000332996000009Scopus ID: 2-s2.0-84878617273OAI: oai:DiVA.org:miun-19365DiVA, id: diva2:643137
Tilgjengelig fra: 2013-08-26 Laget: 2013-06-19 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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