Blood pressures significantly increased during PLR when legs were raised at 20°, 30°, and 40° angles. This blood pressure increase was observed to be primarily due to an increase in stroke volume, which remained almost constant until the final 10 min of PLR.

Does raising the legs increase blood pressure?

Therefore, while crossing your legs at the knees can increase your blood pressure, the good news is that it doesn't cause any long-term harm except for people at risk of developing blood clots. "Blood pressure doesn't increase if you cross your legs at the ankles, just the knees."

Do you raise legs for low blood pressure?

Crossing the legs while sitting has been shown to increase blood pressure. For people with high blood pressure, this can be a problem. For people with low blood pressure symptoms, crossed legs may help increase blood pressure with minimal effort.