Gainage vacuum

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Gainage pour le ventre

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Methode gainage

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Exercice abdo debutant

Exercice abdo debutant Source google image: https://avecdn.akamaized.net/Assets/Images_Upload/Actu24/2017/05/04/332d9b52-25b7-11e7-9717-bebd8853f85f_web_.jpg?maxheight=662&maxwidth=925&scale=both