muscles engage with every push, pull, turn, and step you take. That’s why they respond so well to new challenges. It’s also why crunches are so boring — and ineffective. “To work the abdominal muscles you have to do more than just flex and extend the trunk — you need to move through a variety of planes of motion and even incorporate resistance and force”, says Julia Ladewski, CSCS, a
FIRE UP YOUR ABS
Sep 10, 2023
2 minutes
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