Does crossing your legs raise your blood pressure?

According to a study published in Blood Pressure Monitoring, hypertensive patients should avoid crossing their legs while having their blood pressure taken, as it has been found to raise both systolic and diastolic blood pressure. (In non-hypertensive patients, only the systolic pressure rose.) The higher numbers could lead to an increased estimation of cardiovascular risk. So keep your feet flat on the floor when getting your blood pressure measured.