La blessure des ligaments croisés antérieurs est très commune. Découvrez les solutions existantes pour permettre à vos athlètes de reprendre leur carrière.
How to Increase Revenue Per Member with Personal Training
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How to "Swiss Ball Crunch" ?
Instructions
Lie on a Swiss ball, place the middle of your back on the ball. Hands on each side of the head, raise your shoulders by contracting your abdominals. Keep your abs tight.
Our application for personal trainer allows you to teach the "Swiss Ball Crunch" 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.