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Lookup NU author(s): Dr Deb DulsonORCiD
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© 2016 National Strength and Conditioning Association.The purpose of this study was to investigate the relationships between concentric and eccentric peak force (PF) and countermovement jump (CMJ) performance in resistance trained men. Subjects were 12 men (mean 6 SD; age: 25.4 6 3.5 years; height: 177.2 6 4.5 cm; mass: 84.0 6 10.1 kg). The men were tested for concentric and eccentric PF using the Exerbotics squat device. Subjects then completed 3 CMJs to allow for the calculation of peak power (PP), peak ground reaction force, and jump height (JH). Correlations between the variables of interest were calculated using Pearson product-moment correlation coefficients. A large relationship was found between absolute concentric PF and absolute CMJ PP (r = 0.66, p # 0.05). Absolute eccentric PF had a very large relationship with absolute CMJ PP and CMJ JH (r = 0.74, p, 0.01 and r = 0.74, p, 0.001, respectively). In addition, absolute eccentric PF was found to have a moderate relationship with relative CMJ PP (r = 0.58, p # 0.05). Relative eccentric PF was had a very large relationship with relative CMJ PP and CMJ JH (r = 0.73, p, 0.001 and r = 0.79, p, 0.001, respectively). Based on these findings, strength and conditioning coaches and athletes who wish to enhance CMJ performance may wish to include exercises, which enhance lower-body eccentric strength within their training.
Author(s): Bridgeman LA, McGuigan MR, Gill ND, Dulson DK
Publication type: Article
Publication status: Published
Journal: Journal of Strength and Conditioning Research
Year: 2018
Volume: 32
Issue: 1
Pages: 255-260
Acceptance date: 02/04/2016
ISSN (print): 1064-8011
ISSN (electronic): 1533-4295
Publisher: NSCA National Strength and Conditioning Association
URL: https://doi.org/10.1519/JSC.0000000000001539
DOI: 10.1519/JSC.0000000000001539
PubMed id: 27438063
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