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No, not sit-ups — here's the one abs exercise you should do to strengthen your core without weights
That doesn’t mean a sit-up doesn’t have value — just that you don’t need ... One of the main issues I see is the hip flexors taking over the exercise, which adds load and strain to them while taking ...
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When do babies start to sit up?
"The earlier milestones of head and neck control and rolling over are important developmental skills that usually precede and ...