The humanistic personality theory is mostly adapted by humanistic psychologists. These kind of psychologists attempt to see people's lives from a "first person" perspective (the way the person would experience their life).
In their perspectives, they work and think under the assumption that human beings are rational, and can think consciously. That humans are in control of any biological urge that may arise.
You can check your pulse by placing 2 fingers on the inside of your wrist, below your thumb. Count 30 seconds; then double the result to get your heart rate in beats per minute.