Here is how you can Perform this Method:
First you should sit on the floor with your feet extended forward and toes pointing up.Then you should try to rich out and touch the tip of your toes with your hands . If you are flexible enough to touch your toes, this means that your heart is healthy and in good condition.
The study was conducted in USA (North Texas) and it involved about 526 participants between the age of 20 and 83 years old. While they were performing this method their blood pressure was measured and the arteries and heart activity was closely observed.