In my most recent class, we were asked to write a small report explaining the concepts of reliability and validity as they relate to research methods, and subsequently to provide a sports science-related example of these two concepts. For me, this seemed like the perfect opportunity to profile my favourite soccer-specific fitness test, the Yo-Yo Intermittent Recovery Test. below is the short paper.
I’d love to hear your thoughts about this topic. Drop me a line here to get the conversation started.
Generally, there are two different versions of the Yo-Yo tests (the intermittent endurance (YYIET) and the intermittent recovery test (YYIRT)), each having two different levels (level 1 and 2). As a result there are a total of four different tests. Differences between the two Yo-Yo versions are: Duration of the recovery break (5 seconds for the intermittent endurance and 10 seconds for the. Int J Sports Physiol Perform. 2014 May;9(3):522-4. Doi: 10.1123/ijspp.2012-0335. Epub 2013 Mar 8. The 30-15 Intermittent Fitness Test versus the Yo-Yo Intermittent Recovery Test Level 1: relationship and sensitivity to training. The Yo-Yo intermittent recovery test reflects the ability to perform high intensity running in soccer and it can determine seasonal changes in physical capacity of soccer players. However, it is unknown whether the test is sufficiently sensitive to detect the effect of different intermittent-exercise training regimes. Mobile Phone Apps - Check out the itunes store or the Android play store for apps that run the yo-yo test. What to look for? Download a score sheet to record results of the Yo-Yo Intermittent Recovery Test Level 1, plus other yo-yo test scoring sheets. Reference this Page. Fitness Testing Tests Aerobic Endurance Yo-Yo Intermittent. Yo-Yo Intermittent Tests. The Yo-Yo Intermittent Tests are similar to the Yo-Yo Endurance Test (a variation of the beep test), except in the intermittent tests the participants have a short active break (5 and 10 seconds for the intermittent endurance and intermittent recovery test, respectively).
The Yo-Yo Intermittent Recovery Test, created by researchers from the University of Copenhagen in Denmark, is a test of aerobic and anaerobic fitness that has been proven to be both reliable and valid. Comprising an incrementally faster 2 x 20 metre shuttle run, with a 10-second recovery period between each shuttle run, the Yo-Yo Intermittent Recovery Test has become one of the most popular on-field fitness tests in the sport of soccer, as well as in many other field sports.
The Yo-Yo test is reliable because it has been repeated thousands of times and has always been shown to have the same consistency and accuracy of measurement. A recent study by Krustrup et. al. How to roblox studio on mac. (2006) reported that the Yo-Yo Intermittent Recovery Test was shown to have a very high test-retest consistency among Danish Professional soccer players, when the same players were tested multiple times. Whenever players get the same score (or close to the same score) on multiple trials of a test of physical fitness, the test can be said to be a reliable measurement tool.
![Recovery Recovery](https://i1.wp.com/www.scienceforsport.com/wp-content/uploads/2016/01/Figure-1-The-setup-for-the-Yo-Yo-Intermittent-Recovery-Test.png?resize=600%2C433)
The Yo-Yo Intermittent Recovery Test has also been shown to be a valid predictor of high intensity running ability (Krustrup et. al., 2007). High intensity running done by players (measured using time-motion analysis with global positioning satellite or GPS) was shown to be very well correlated to players’ performance on the Yo-Yo Test (Krustrup et. al., 2007). Because high intensity running is one of the key factors that differentiates between higher and lower levels of play in soccer (as well as in other field sports), the fact that the Yo-Yo Test is a valid predictor of high intensity running ability means that the Yo-Yo Test should also be a good predictor/differentiator between levels of play amongst soccer players.
References:
Yo Yo Intermittent Recovery Test Itunes Download
![Recovery Recovery](https://www.researchgate.net/profile/Jaiyesimi_Boluwaji5/publication/304522951/figure/tbl3/AS:668973272137734@1536507065231/Descriptive-Ratings-for-Yo-Yo-Intermittent-Test-Distance-Yo-Yo-Intermittent-Recovery.png)
Yo Yo Intermittent Recovery Test Itunes Video
Krustrup, P., Mohr, M., Amstrup, T., Rysgaard, T., Johansen, J., Steensberg, A., Pedersen, P.K., Bangsbo, J. (2006). The yo-yo intermittent recovery test: physiological response, reliability, and validity. Medicine in Sports and Exercise Science, 13: 1666-1672 Do ritz crackers expire.