Due to advances in electronics portable metabolic carts (met carts for short) are becoming more common at prices that clubs, coaches and even individuals can support. A metabolic cart precisely measures the oxygen the subject inhales and the carbon dioxide they exhale during exercises. At the end of last year we took a look at a new device, the ZoneX from French startup Pairfs based in Grenoble.
https://pistehors.com/JxROjpsBhUhZWzGsXHo_/zonex-portable-met-cart
