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Article

Exercise Training Combined with Calanus Oil Supplementation Improves the Central Cardiodynamic Function in Older Women

1
Department of Pathophysiology, Centre for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic
2
Department of Adapted Physical Education and Sports Medicine, Faculty of Physical Education and Sport, Charles University, 16252 Prague, Czech Republic
3
Department of Internal Medicine, Královské Vinohrady University Hospital, 10034 Prague, Czech Republic
4
Department of Medical Biology, Faculty of Health Sciences, UiT the Arctic University of Norway, 9037 Tromsø, Norway
5
Institute of Physiology, Czech Academy of Sciences, 14200 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editors: Grażyna Odrowąż-Sypniewska and Antoni Sureda
Nutrients 2022, 14(1), 149; https://doi.org/10.3390/nu14010149
Received: 15 October 2021 / Revised: 21 December 2021 / Accepted: 22 December 2021 / Published: 29 December 2021
The aim of this study was to investigate the possible beneficial effects of exercise training (ET) with omega-3/Calanus oil supplementation on cardiorespiratory and adiposity parameters in elderly women. Fifty-five women (BMI: 19–37 kg/m2, 62–80 years old) were recruited and randomly assigned to the 4 month intervention with ET and omega-3 supplementation (Calanus oil, ET-Calanus) or ET and the placebo (sunflower oil; ET-Placebo). The body composition was determined by dual-energy X-ray absorptiometry (DXA), and cardiorespiratory parameters were measured using spiroergometry and PhysioFlow hemodynamic testing. Both interventions resulted in an increased lean mass whereas the fat mass was reduced in the leg and trunk as well as the android and gynoid regions. The content of trunk fat (in percent of the total fat) was lower and the content of the leg fat was higher in the ET-Calanus group compared with the ET-Placebo. Although both interventions resulted in similar improvements in cardiorespiratory fitness (VO2max), it was explained by an increased peripheral oxygen extraction (a-vO2diff) alone in the ET-Placebo group whereas increased values of both a-vO2diff and maximal cardiac output (COmax) were observed in the ET-Calanus group. Changes in COmax were associated with changes in systemic vascular resistance, circulating free fatty acids, and the omega-3 index. In conclusion, Calanus oil supplementation during a 4 month ET intervention in elderly women improved the cardiorespiratory function, which was due to combined central and peripheral cardiodynamic mechanisms. View Full-Text
Keywords: aging; omega-3 fatty acids; cardiorespiratory fitness; cardiac output; body composition aging; omega-3 fatty acids; cardiorespiratory fitness; cardiac output; body composition
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MDPI and ACS Style

Štěpán, M.; Daďová, K.; Matouš, M.; Krauzová, E.; Sontáková, L.; Koc, M.; Larsen, T.; Kuda, O.; Štich, V.; Rossmeislová, L.; Šiklová, M. Exercise Training Combined with Calanus Oil Supplementation Improves the Central Cardiodynamic Function in Older Women. Nutrients 2022, 14, 149. https://doi.org/10.3390/nu14010149

AMA Style

Štěpán M, Daďová K, Matouš M, Krauzová E, Sontáková L, Koc M, Larsen T, Kuda O, Štich V, Rossmeislová L, Šiklová M. Exercise Training Combined with Calanus Oil Supplementation Improves the Central Cardiodynamic Function in Older Women. Nutrients. 2022; 14(1):149. https://doi.org/10.3390/nu14010149

Chicago/Turabian Style

Štěpán, Marek, Klára Daďová, Miloš Matouš, Eva Krauzová, Lenka Sontáková, Michal Koc, Terje Larsen, Ondrej Kuda, Vladimír Štich, Lenka Rossmeislová, and Michaela Šiklová. 2022. "Exercise Training Combined with Calanus Oil Supplementation Improves the Central Cardiodynamic Function in Older Women" Nutrients 14, no. 1: 149. https://doi.org/10.3390/nu14010149

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