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Open AccessArticle

Between-Session Reliability of Common Strength- and Power-Related Measures in Adolescent Athletes

Directorate of Sport, Exercise and Physiotherapy, University of Salford, Salford, Greater Manchester M6 6PU, UK
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Academic Editor: Eling Douwe de Bruin
Sports 2017, 5(1), 15; https://doi.org/10.3390/sports5010015
Received: 5 January 2017 / Revised: 27 January 2017 / Accepted: 7 February 2017 / Published: 14 February 2017
The purpose of this study was to investigate the between-session reliability of common strength- and power-related measures in adolescent athletes. Seventeen adolescent athletes (males: n = 8: age 17.1 ± 2.2 years; height 175.6 ± 3.5 cm; mass 80.2 ± 3.6 kg; females: n = 9; age 16.9 ± 2.6 years; height 178.5 ± 4.3 cm; mass 71.5 ± 4.5 kg) participated in this study. Isokinetic dynamometry, isometric mid-thigh pull (IMTP), countermovement jump (CMJ), and horizontal jumps (standing broad jump (SBJ) and single-leg hop (SLH)) were each performed twice on separate days, seven days apart. Reliability was assessed by intraclass correlation coefficient (ICC), coefficient of variation (%CV), standard error of measurement (SEM), and smallest detectable difference (SDD). Intraclass correlation coefficients and CV demonstrated acceptable between-session reliability for all measures (ICC > 0.63; CV < 11%), except rate of force development and impulse measures during bilateral and unilateral stance IMTP. Smallest detectable differences demonstrated that changes in performance of >7% CMJ height, >8% SLH distance, >10% in peak isometric force, and >5% in isokinetic peak torques should be considered meaningful, when assessing adolescent athletes. View Full-Text
Keywords: jump height; isokinetics; isometric peak force; countermovement jump; hop tests jump height; isokinetics; isometric peak force; countermovement jump; hop tests
MDPI and ACS Style

Thomas, C.; Dos’Santos, T.; Comfort, P.; Jones, P.A. Between-Session Reliability of Common Strength- and Power-Related Measures in Adolescent Athletes. Sports 2017, 5, 15. https://doi.org/10.3390/sports5010015

AMA Style

Thomas C, Dos’Santos T, Comfort P, Jones PA. Between-Session Reliability of Common Strength- and Power-Related Measures in Adolescent Athletes. Sports. 2017; 5(1):15. https://doi.org/10.3390/sports5010015

Chicago/Turabian Style

Thomas, Christopher; Dos’Santos, Thomas; Comfort, Paul; Jones, Paul A. 2017. "Between-Session Reliability of Common Strength- and Power-Related Measures in Adolescent Athletes" Sports 5, no. 1: 15. https://doi.org/10.3390/sports5010015

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Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

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