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Relationships between unilateral horizontal and vertical drop jumps and 20 metre sprint performance

Schuster, D and Jones, PA 2016, 'Relationships between unilateral horizontal and vertical drop jumps and 20 metre sprint performance' , Physical Therapy in Sport, 21 , pp. 20-25.

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Abstract

Objectives: The purpose of this study was to compare the relationships between horizontal (HDJ) and vertical drop jumps (VDJ) to sprint performance. Design:Exploratory Study. Setting: Laboratory. Participants: Nineteen male collegiate participants (22.5 ± 3.2 years, 181.1 ± 6.7 cm, 80.3 ± 9.6 kg). Main outcome measures: All participants performed VDJ and HDJ from a 20 cm height onto an AMTI force platform sampling at 1200 Hz before performing three 20 m sprints.Sprint times (5, 10, 15, 20, 5-10, 10-15, 15-20 m) were measured using a LAVEG speed gun. Results: All jump and sprint measures showed excellent within session reliability (ICC: 0.954 to 0.99). Pearson's and Spearman's correlations revealed significant (p < 0.01) moderate to high correlations between jump measures and sprint times (R: -0.665 to -0.769). Stepwise multiple regression revealed jump distance normalised by body height (HDJ) was the best predictor for 10, 20, 5-10, 10-15 and 15-20 m sprint times (R2 = 41% to 48%). Conclusions: HDJ performance measures provide stronger relationships to sprint performance than VDJ's. Thus,HDJ's should be considered in test batteries to monitor training and rehabilitation for athletes in sprint related sports.

Item Type: Article
Schools: Schools > School of Health Sciences > Centre for Health Sciences Research
Schools > School of Health Sciences
Journal or Publication Title: Physical Therapy in Sport
Publisher: Elsevier
ISSN: 1466-853X
Related URLs:
Funders: Non funded research
Depositing User: Dr Paul Anthony Jones
Date Deposited: 19 May 2016 13:52
Last Modified: 11 Nov 2016 16:09
URI: http://usir.salford.ac.uk/id/eprint/39011

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