Before Blummenfelt’s test result, the highest VO2 max ever recorded was 97.5 ml/kg/min from fellow Norwegian athlete Oskar Svendsen in 2012. Blummenfelt’s score would be the first time an athlete has ...

This easy test can help you get a gauge on your VO2 max—without a watch. Every day as I peruse through the mountain of ...

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Real Madrid players are performing a typical stress test, but with a portable system to measure their maximum oxygen uptake. The good thing about these masks is that they are portable and allow you to ...

Products that analyse cardiovascular activity are nothing new but these body-worn, portable versions are top of the line.

It's not the first time Madrid have worn the masks, and they shared a video titled: 'The masks are back!' to their YouTube ...

Real Madrid players have been pictured taking part in high-intensity drills while wearing unusual blue masks - so what's the ...

The Spanish club's physical trainer Antonio Pintus favours using the K5 masks to measure players' physical condition ...

WAYNE ROONEY revealed how he used to cheat the bleep test at Manchester United and smirked: “I was clever.” Rooney, 40, is the Red Devils’ record goalscorer with 253 goals. He ...