Core & Abs Core Classes Online
Direct work for the abdominals and the deeper muscles around your midsection. Held positions and slow repetitions are more common here than fast crunches. End a set when your lower back starts taking over.
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Direct work for the abdominals and the deeper muscles around your midsection. Held positions and slow repetitions are more common here than fast crunches. End a set when your lower back starts taking over.
