How to "Crunch Hands On Knees" ?


    Keep the abs tight and back flat on the floor, bring your hands above the knees.

    Our application for personal trainer allows you to teach the "Crunch Hands On Knees" properly

    With Hexfit, you can create training programs, simple or complex, using our exercise bank which contains more than 10,000. You will be able to send it to your customers by suite via the mobile app.  You can even centralize all the information concerning the follow-up of your clients and the creation of your training programs.