Publication: Reliability, validity, and maturation-related differences of frontal and sagittal plane landing kinematic measures during drop jump and tuck jump screening tests in male youth soccer players
Authors
Ruiz Pérez, Iñaki ; Oliver, Jon L. ; Ayala Rodríguez, Francisco ; Robles Palazón, Francisco Javier ; Sainz de Baranda Andújar, Pilar
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Publisher
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DOI
https://doi.org/10.1016/j.ptsp.2021.05.009
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info:eu-repo/semantics/article
Description
©2021. This manuscript version is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by /4.0/
This document is the, Published, version of a Published Work that appeared in final form in Physical Therapy in Sport. To access the final edited and published work see https://doi.org/10.1016/j.ptsp.2021.05.009
Abstract
Objectives: To determine the inter-rater and intra-rater reliability of frontal and sagittal plane landing kinematic measures during drop jump (DVJ) and tuck jump (TJA) tasks in male youth soccer players, to assess the concurrent validity between DVJ and TJA tests, and to evaluate the ability of both tasks to detect differences between players’ stage of maturation.
Design: Cross-sectional study.
Participants: 223 male youth soccer players.
Main outcome measures: Frontal plane knee projection angles (FPPA), and hip (HF), knee (KF) and ankle (AF) flexion angles at initial contact (IC) and peak flexion (PF) (i.e., the deepest landing position) in the sagittal plane were assessed.
Results: Good-to-excellent inter- and intra-rater reliability (ICC > 0.75; TEMST < 0.3; CVTE < 5%) for the FPPA, HF and KF during DVJ and TJA tasks were found. A low concurrent validity between DVJ and TJA measures was reported. Differences by maturity status (BF10 > 10; error < 10; d > 0.6) were only identified for the TJA. Pre-PHV group reported higher FPPA, HF-IC, HF-PF, and KF-IC values, as well as lower AF-IC than post-PHV. Pre-PHV also displayed greater HF-IC and KF-IC than circa-PHV group.
Conclusions: Although both tests are reliable, the TJA might be viewed as a more informative tool given it shows greater FPPA and can also detect differences by maturity status.
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Citation
Physical Therapy in Sport 50 (2021) 206-216
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Este ítem está sujeto a una licencia Creative Commons. http://creativecommons.org/licenses/by/4.0/