Acute adaptations and subsequent preservation of strength and speed measures following a Nordic hamstring curl intervention: a randomised controlled trial

Siddle, James, Greig, Matt, Weaver, Kristian, Page, Richard, Harper, Damian and Brogden, Christopher (2018) Acute adaptations and subsequent preservation of strength and speed measures following a Nordic hamstring curl intervention: a randomised controlled trial. Journal of Sports Sciences. pp. 1-11. ISSN 0264-0414 DOI https://doi.org/10.1080/02640414.2018.1535786

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Abstract

This randomised controlled trial investigated changes in eccentric hamstring strength, 10 m sprint speed, and change-of-direction (COD) performance immediately post Nordic hamstring curl (NHC) intervention and following a 3-week detraining period. Fourteen male team sports athletes were randomised to a do-as-usual control group (CG; n = 7) or to a NHC intervention group (NHC; n = 7). Isokinetic dynamometry at 180°/s evaluated eccentric hamstring strength immediately post-intervention as the primary outcome measure. Secondary outcomes included 10 m sprint time and COD. Each outcome was measured, pre, immediately post-intervention and following a 3-week detraining period. Immediately post-intervention significant group differences were observed in the NHC group for eccentric hamstring strength (31.81 Nm-1 vs. 6.44 Nm-1, P = 0.001), COD (-0.12 s vs. 0.20 s; P = 0.003) and sprint (- 0.06 s vs. 0.05 s; P = 0.024) performance. Performance improvements were maintained following a detraining period for COD (-0.11 s vs. 0.20 s; P = 0.014) and sprint (-0.05 s vs. 0.03 s, P = 0.031) but not eccentric hamstring strength (15.67 Nm-1 vs. 6.44 Nm-1, P = 0.145) These findings have important implications for training programmes designed to reduce hamstring injury incidence, whilst enhancing physical qualities critical to sport.

Item Type: Article
Uncontrolled Keywords: Change-of-direction; Eccentric strength; Hamstring; Performance; Resistance training Change-of-direction; Eccentric strength; Hamstring; Performance; Resistance training
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure
Divisions: Sports Science
Date Deposited: 17 Oct 2018 11:28
URI: http://repository.edgehill.ac.uk/id/eprint/10740

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