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Mens Fitness on MSNThese 5-Minute Ab Circuits Are the Secret to Building a Shredded Six-PackIn the quest for a sculpted six-pack, it can be easy to get caught up in long, intense gym sessions. But, your abs don't need ...
To get a six-pack, you'll need to build your abs with exercises like Russian twists and leg lowers. Benefits of a strong core include improved posture, fewer injuries, and decreased back pain.
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