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 Jackknife (Plank Knee Pull Under)" ?
Instructions
In plank position on a Swiss ball, legs on the ball, pull your knees under your body. Keep your abs tight and your back straight.
Our application for personal trainer allows you to teach the "Swiss Ball Jackknife (Plank Knee Pull Under)" 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.