5don MSN
This 9-minute ab workout uses one piece of equipment to build a stronger, more functional core
Carve out just nine minutes a day, five to six times a week, and watch how your core transforms.
Summer is right around the corner, and if you're looking for a challenge—and a six-pack—Jeff Cavaliere, C.S.C.S., of Athlean-X has you covered with an ab workout that’s built for all fitness levels.
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