7. Planks with a Stability Ball – This is another way to take planks to the next level. Do a plank, but instead of having your feet on the floor, rest your shins on a stability ball. Hold this position for as long as your abdominal muscles will allow.
It can take some time to get in shape and it may take some work, but it is going to be well worth it in the end.
Via: Remedy Daily
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