You'll never do sit-ups again after trying these 5 dumbbell ab exercises — according to a ...
The sit-up is still programmed, but many other exercises can strengthen your core muscles just as well, if not better. It’s a ...
来自MSN1 个月
No, not sit-ups — here's the one abs exercise you should do to strengthen your core ...
Maybe you’re just bored of sit-ups ... work potential from the core muscles, namely the primary mover — the rectus abdominis or “six-pack” muscles. In this instance, I recommend butterfly ...