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Between-session reliability of common strength- and power-related measures in adolescent athletes

Thomas, C; Dos'Santos, T; Comfort, P; Jones, PA

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Authors

C Thomas

T Dos'Santos



Abstract

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.

Citation

Thomas, C., Dos'Santos, T., Comfort, P., & Jones, P. (2017). Between-session reliability of common strength- and power-related measures in adolescent athletes. Sports, 5(1), 15. https://doi.org/10.3390/sports5010015

Journal Article Type Article
Acceptance Date Feb 7, 2017
Online Publication Date Feb 14, 2017
Publication Date Feb 14, 2017
Deposit Date Mar 3, 2017
Publicly Available Date Mar 3, 2017
Journal Sports
Publisher MDPI
Volume 5
Issue 1
Pages 15
DOI https://doi.org/10.3390/sports5010015
Publisher URL http://dx.doi.org/10.3390/sports5010015
Related Public URLs http://www.mdpi.com/journal/sports

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