Are planks good for abs? Um, yes. Get all the plank benefits with these plank exercise variations to hit all your abs muscles, back, and obliques.
15 Plank Variations Your Core Will Thank You for Later
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15 Plank Variations Your Core Will Thank You for Later
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Exercises to improve your core strength - Mayo Clinic
Alejandra Maville42 (@alejandramaville4)
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