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Can You Handle the Core-Crushing Trifecta?

Can You Handle the Core-Crushing Trifecta?

Men's Health - By Kelsey Cannon

Put your core strength to the test with these three abs exercises If you do the same abs routine day in and day out, your gains will grind to a halt. "You need to challenge your core in new ways and with new exercises to strengthen your weaknesses and fill in holes," says Todd Durkin, C.S.C.S., …

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