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The plank is an isometric workout that requires holding a position that resembles a push-up for as long as you can. Our Plank Workout fitness app aids in weight loss, weight growth, and the development of steel abs.
The plank is an isometric workout that requires holding a position that resembles a push-up for as long as you can. Our Plank Workout fitness app aids in weight loss, weight growth, and the development of steel abs.