ER, do you have a 2 story house?
Go up and down the stairs 4 or 5 times a couple times a day (not the normal going up simply to get upstairs, but deliberate to get your heart rate up). That is how the trainer did our cardio tests Tuesday, on a simple step up and down, up and down.
Go up and down the stairs 4 or 5 times a couple times a day (not the normal going up simply to get upstairs, but deliberate to get your heart rate up). That is how the trainer did our cardio tests Tuesday, on a simple step up and down, up and down.