Altered drop jump landing biomechanics following eccentric exercise-induced muscle damage
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Jamurtas, Athanasios Z.
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AbstractLimited research exists in the literature regarding the biomechanics of the jump-landing sequence in individuals that experience symptoms of muscle damage. The present study investigated the effects of knee localized muscle damage on sagittal plane landing biomechanics during drop vertical jump (DVJ). Thirteen regional level athletes performed five sets of 15 maximal eccentric voluntary contractions of the knee extensors of both legs at 60◦/s. Pelvic and lower body kinematics and kinetics were measured preand 48 h post-eccentric exercise. The examination of muscle damage indicators included isometric torque, muscle soreness, and serum creatine kinase (CK) activity. The results revealed that all indicators changed significantly following eccentric exercise (p< 0.05). Peak knee and hip joint flexion as well as peak anterior pelvic tilt significantly increased, whereas vertical ground reaction force (GRF), internal knee extension moment, and knee joint stiffness significantly decreased during landing (p< 0.05). Therefore, the participants displayed a softer landing pattern following knee-localized eccentric exercise while being in a muscle-damaged state. This observation provides new insights on how the DVJ landing kinematics and kinetics alter to compensate the impaired function of the knee extensors following exercise-induced muscle damage (EIMD) and residual muscle soreness 48 h post-exercise.
CitationTsatalas, T., Karampina, E., Mina, M.A., Patikas, D.A., Laschou, V.C., Pappas, A., Jamurtas, A.Z., Koutedakis, Y. and Giakas, G. (2021) Altered drop jump landing biomechanics following eccentric exercise-induced muscle damage. Sports, 9(2):24. https://doi.org/10.3390/sports9020024
PubMed ID33562760 (pubmed)
Description© 2021 The Authors. Published by MDPI. This is an open access article available under a Creative Commons licence. The published version can be accessed at the following link on the publisher’s website: https://doi.org/10.3390/sports9020024
SponsorsThis research was supported by the postdoctoral scholarship program implemented by University of Thessaly (Greece) and funded by the Stavros Niarchos Foundation, grant number 5394.02.02
Except where otherwise noted, this item's license is described as Licence for published version: Creative Commons Attribution 4.0 International
- Altered Drop Jump Landing Biomechanics Following Eccentric Exercise-Induced Muscle Damage.
- Authors: Tsatalas T, Karampina E, Mina MA, Patikas DA, Laschou VC, Pappas A, Jamurtas AZ, Koutedakis Y, Giakas G
- Issue date: 2021 Feb 5
- The effects of eccentric exercise-induced muscle damage on running kinematics at different speeds.
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