You don’t always need fancy tools to work your core. But if you are looking for a new way to push your body, you may want to give the Four Minute Core Trainer a look. It is designed to give your body a total core workout in 4 minutes. It activates 46 core muscles and 8 arm muscles. The unit has upper and lower modules to provide variable resistance of 60 lbs and 70lbs respectively.
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The trainer can adjust to most users and folds down for portability and storage. A smart dock is also available to let you keep up with exercises on your mobile devices.
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