Reduced cardiovascular and metabolic responses during eccentric stepping exercise: A pilot study

Autor:	Nicholas C. Renwick, Stuart Egginton, Carrie Ferguson
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	cardiorespiratory concentric exercise eccentric exercise negative work rehabilitation Physiology QP1-981
Zdroj:	Physiological Reports, Vol 12, Iss 19, Pp n/a-n/a (2024)
Druh dokumentu:	article
ISSN:	2051-817X
DOI:	10.14814/phy2.70080
Popis:	Abstract This study compared cardiovascular and metabolic responses during concentric and eccentric stepping. Eight participants (5 m, 3f; 22 ± 2 years) performed maximal concentric and eccentric ramp incremental tests on a modified stepping ergometer. Subsequently, three randomized 15‐min constant‐power tests were performed (1) concentric stepping at 90% of the concentric lactate threshold (LT), (2) eccentric stepping at the same power, and (3) eccentric stepping at the same oxygen uptake (V̇O2). At equivalent power (36 ± 6 W, p = 0.62), eccentric stepping resulted in 46 ± 8% lower V̇O2, 16 ± 6% lower heart rate (HR), and 11 ± 5% lower mean arterial blood pressure compared to concentric (p
Databáze:	Directory of Open Access Journals
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