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31/3/2020  
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My Jump

A new App that measures vertical jump shows strong test validity and reliability


A recently developed iPhone app called My Jump measures vertical jump height and has been tested by researchers showing strong test validity and reliability, compared to a force platform, on college students.
Ibercampus 25/5/2015 Send to a friend
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The research study was published in the Journal of Sports Sciences and the lead investigator, Carlos Balsalobre-Fernandez is actually one of the co-developers of the app. There are various ways to measure vertical jump heightbut using a force platform is considered the gold standard by many strength and conditioning coaches.

The purpose of this investigation was to analyse the concurrent validity and reliability of an iPhone app called My Jump for measuring vertical jump performance. Twenty recreationally active healthy men (age: 22.1 ± 3.6 years) completed five maximal countermovement jumps, which were evaluated using a force platform (time in the air method) and a specially designed iPhone app. My jump was developed to calculate the jump height from flight time using the high-speed video recording facility on the iPhone 5 s.

The app works by taking a picture of the person or athlete while doing a counter movement jump. One of the new update features in the iPhone (starting back with the iPhone 5s) is a high-speed camera that is capable of recording 120 Hz. By using the camera and My Jump app, the phone now has the ability to capture high-speed videos and subsequently calculate.

In terms of possible applications, this could be a new in the tool box for strength and conditioning coaches, personal trainers, students and the average workout enthusiast, to help measure and monitor lower body power output.

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