Working off the the highly successful 7 Minute High Intensity Workout
app ... the 7 Minute Power Plank Workout will work your core to its maximum in just
7 minutes. Six hard working plank exercises with a short burst of rest in between
will have you huffing and puffing and sweating your way to a stronger core. If you
do this Plank work out and dont feel the burn you are doing it wrong! With an
extremely easy to use interface you will be on your way to developing strong abs and
a strong core in no time!