![28-Day Plank Challenge with Free Printable Calendar | Workout challenge, Plank challenge, February challenge 28-Day Plank Challenge with Free Printable Calendar | Workout challenge, Plank challenge, February challenge](https://i.pinimg.com/originals/8c/77/ca/8c77cabfd7886be9899acd82e70762d6.png)
28-Day Plank Challenge with Free Printable Calendar | Workout challenge, Plank challenge, February challenge
28 DAY PLANK CHALLENGE | The plank is an isometric core strength exercise that involves maintaining a position similar to a push-up for the maximum possible time. Planking... | By Fitonomy | Facebook
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