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15-minute 6-pack: a faster way to a harder core
| Author: Doctor
Contrary to what late-night infomercials and reruns of Enter the Dragon would have you believe, “your midsection, or core, consists of more than just your abs,” says Los Angeles-based personal trainer Jonathan “J.D.” Leuth, certified by the National Strength and Conditioning Association. Your core is actually made up of three parts: abdominals, obliques (both internal [...]
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