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Intersession and intrasession reliability and validity of the my jump app for measuring different jump actions in trained male and female athletes

dc.contributor.authorGallardo-Fuentes F.
dc.contributor.authorGallardo-Fuentes J.
dc.contributor.authorRamírez-Campillo R.
dc.contributor.authorBalsalobre-Fernández C.
dc.contributor.authorMartínez C.
dc.contributor.authorCaniuqueo A.
dc.contributor.authorCañas R.
dc.contributor.authorBanzer W.
dc.contributor.authorLoturco I.
dc.contributor.authorNakamura F.Y.
dc.contributor.authorIzquierdo M.
dc.date.accessioned2020-09-02T22:18:42Z
dc.date.available2020-09-02T22:18:42Z
dc.date.issued2016
dc.identifier10.1519/JSC.0000000000001304
dc.identifier.citation30, 7, 2049-2056
dc.identifier.issn10648011
dc.identifier.urihttps://hdl.handle.net/20.500.12728/4582
dc.descriptionThe purpose of this study was to analyze the concurrent validity and reliability of the iPhone app named My Jump for measuring jump height in 40-cm drop jumps (DJs), countermovement jumps (CMJs), and squat jumps (SJs). To do this, 21 male and female athletes (age, 22.1 ± 3.6 years) completed 5 maximal DJs, CMJs, and SJs on 2 separate days, which were evaluated using a contact platform and the app My Jump, developed to calculate jump height from flight time using the high-speed video recording facility on the iPhone. A total of 630 jumps were compared using the intraclass correlation coefficient (ICC), Bland-Altman plots, Pearson's product moment correlation coefficient (r), Cronbach's alpha (α), and coefficient of variation (CV). There was almost perfect agreement between the measurement instruments for all jump height values (ICC 0.97-0.99), with no differences between the instruments (p > 0.05; mean difference of 0.2 cm). Almost perfect correlation was observed between the measurement instruments for SJs, CMJs, and DJs (r 0.96-0.99). My Jump showed very good within-subject reliability (α 0.94-0.99; CV 3.8-7.6) and interday reliability (r 0.86-0.95) for SJs, CMJs, and DJs in all subjects. Therefore, the iPhone app named My Jump provides reliable intersession and intrasession data, as well as valid measurements for maximal jump height during fast (i.e., DJs) and slow (i.e., CMJs) stretch-shortening cycle muscle actions, and during concentric-only explosive muscle actions (i.e., SJs), in both male and female athletes in comparison with a professional contact platform. © 2015 National Strength and Conditioning Association.
dc.language.isoen
dc.publisherNSCA National Strength and Conditioning Association
dc.subjectbiomechanics
dc.subjectfitness
dc.subjectphysical performance
dc.subjectstrength
dc.subjectadult
dc.subjectathletic performance
dc.subjectdevices
dc.subjectexercise test
dc.subjectfemale
dc.subjecthuman
dc.subjectmale
dc.subjectmobile application
dc.subjectphysiology
dc.subjectprocedures
dc.subjectreproducibility
dc.subjectsmartphone
dc.subjectvalidation study
dc.subjectvideorecording
dc.subjectyoung adult
dc.subjectAdult
dc.subjectAthletic Performance
dc.subjectExercise Test
dc.subjectFemale
dc.subjectHumans
dc.subjectMale
dc.subjectMobile Applications
dc.subjectReproducibility of Results
dc.subjectSmartphone
dc.subjectVideo Recording
dc.subjectYoung Adult
dc.titleIntersession and intrasession reliability and validity of the my jump app for measuring different jump actions in trained male and female athletes
dc.typeArticle


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