Σφίγγοντας τους κοιλιακούς μυς. Μια νεαρή γυναίκα καθισμένη σε έναν αφρώδη κύλινδρο με τα χέρια σηκωμένα για να ενισχύσει τον κορμό της.

Ένας δρομέας είχε έντονους πόνους στο στομάχι στο πάρκο

Νιώθει τους κοιλιακούς της να σφίγγουν. Μια όμορφη νεαρή ξανθιά εκτελεί την άσκηση 'roll up' με τον κύκλο pilates της

Ο άνδρας υποφέρει από πόνους στο στομάχι, έχει διάρροια

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