The effects of varying inertial loadings on power variables in the flywheel romanian deadlift exercise

Joey Brien; Declan Browne; Des Earls; Clare Lodge

doi:10.5114/biolsport.2022.106159

eISSN: 2083-1862
ISSN: 0860-021X

Biology of Sport

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3/2022
vol. 39

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abstract:

Original paper

The effects of varying inertial loadings on power variables in the flywheel romanian deadlift exercise

Joey O. Brien

¹

,

Declan Browne

¹

,

Des Earls

¹

,

Clare Lodge

¹

HealthCore, Department of Science and Health, Institute of Technology Carlow, Carlow R93 V960, Ireland

Biol Sport. 2022;39(3):499–503

DOI: https://doi.org/10.5114/biolsport.2022.106159

Online publish date: 2021/07/03

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The aim of this study was to investigate the effect of four different inertial loads (0.025, 0.050, 0.075, and 0.100 kg· m²) on concentric (CON) power, eccentric (ECC) power, and ECC overload in the flywheel Romanian deadlift (RDL). Fourteen recreationally trained males (27.9 ± 6.4 years, 90 ± 10.7 kg, 180.7 ± 5.5 cm) volunteered for the study. They had a minimum of two years of resistance training experience, although none had experience in flywheel inertia training (FIT). All participants performed the flywheel RDL on a flywheel device (kBox 3, Exxentric, AB TM, Bromma, Sweden). Each set was performed using different inertial loads, those being 0.025, 0.050, 0.075, and 0.100 kg·m². For CON, ECC power, and ECC overload, there was a significant difference (p < 0.001) between inertial loadings. In conclusion, results highlight that lower inertial load leads to higher peak CON and ECC power values, precisely 0.025 kg· m². Regarding ECC overload, medium to higher loads (0.050, 0.075, and 0.100 kg·m²) will lead to higher values.

keywords:

The effects of varying inertial loadings on power variables in the flywheel romanian deadlift exercise

Joey O. Brien 1 , Declan Browne 1 , Des Earls 1 , Clare Lodge 1

Iso-inertial device, Eccentric overload, Inertia load, Power output

Joey O. Brien

¹

,

Declan Browne

¹

,

Des Earls

¹

,

Clare Lodge

¹