Cardio-pulmonary responses to incremental eccentric and concentric cycling tests to task failure

European Journal of Applied Physiology
Marcin LipskiKazunori Nosaka

Abstract

This study compared cardio-pulmonary responses between incremental concentric and eccentric cycling tests, and examined factors affecting the maximal eccentric cycling capacity. On separate days, nine men and two women (32.6 ± 9.4 years) performed an upright seated concentric (CON) and an eccentric (ECC) cycling test, which started at 75 W and increased 25 W min-1 until task failure. Gas exchange, heart rate (HR) and power output were continuously recorded during the tests. Participants also performed maximal voluntary contractions of the quadriceps (MVC), squat and countermovement jumps. Peak power output was 53% greater (P < 0.001, g = 1.77) for ECC (449 ± 115 W) than CON (294 ± 61 W), but peak oxygen consumption was 43% lower (P < 0.001, g = 2.18) for ECC (30.6 ± 5.6 ml kg min-1) than CON (43.9 ± 6.9 ml kg min-1). Maximal HR was not different between ECC (175 ± 20 bpm) and CON (182 ± 13 bpm), but the increase in HR relative to oxygen consumption was 33% greater (P = 0.01) during ECC than CON. Moderate to strong correlations (P < 0.05) were observed between ECC peak power output and CON peak power (r = 0.84), peak oxygen consumption (r = 0.54) and MVC (r = 0.53), while no significant relationships were observed between ECC pe...Continue Reading

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Citations

Jan 17, 2019·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Paulo de Tarso MüllerGaspar Rogério Chiappa
Dec 10, 2019·Medicine and Science in Sports and Exercise·Marcel LemireStéphane P Dufour
May 16, 2020·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Rolf NickelLuis Peñailillo
Apr 16, 2019·Frontiers in Physiology·Pierre ClosRomuald Lepers
Mar 15, 2020·European Journal of Applied Physiology·Georgios MavropaliasKazunori Nosaka
Sep 17, 2019·Journal of Applied Physiology·Giuseppe CoratellaPierre Clos
Nov 13, 2020·European Journal of Applied Physiology·Renan Vieira BarretoBenedito Sérgio Denadai
Feb 11, 2021·Chest·Joana Cruz, Chris Burtin
Nov 17, 2020·Journal of Sports Sciences·Marcel LemireStéphane P Dufour
May 25, 2021·Frontiers in Sports and Active Living·Joel A WalshDarryl J McAndrew
Jul 11, 2020·Journal of Science and Medicine in Sport·Marcel LemireStéphane P Dufour
Sep 2, 2021·Medicine and Science in Sports and Exercise·Georgios MavropaliasKazunori Nosaka

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