11It reduces back pain
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Planks don’t only strengthen your core; they also reduce back pain and strengthen upper back muscles.
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12Flexibility
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Planks increase flexibility in the posterior muscle groups which are around your shoulder, shoulder blades and collarbone by expanding and stretching them.
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13Improve Your Balance and Posture
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A plank requires you to keep your abs straight. Moreover, you can perform a side plank or planks on a stability ball to improve your balance. Plank variations are also great for your body and the best part is that you can even devise your own routine.
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