The Four Minute Core Trainer [SOURCE] is not just capable of providing total core workout anytime anywhere but at the same time capable of delivering the benefits of a full size gym devices because it simultaneously activates core and arm muscles.
This core trainer allows the user to simply draw their torso in using different position including supine position, standing or even seated plus it even comes with upper and lower modules capable of providing variable resistance.
The Four Minute Core Trainer
With this handheld kinetic resistance trainer, the result is an intense core and arm building workout that you can perform in just a matter of minutes rather than using cumbersome or complicated gym machines.
The Four Minute Core Trainer is made from light yet durable molded resins and easily adjust and folds down for easy storage and best of all, it also includes a smartphone dock that allows the user to run a free app designed to monitor their workout or even follow some basic exercises. Already includes an upper and lower cartridges.
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