When you visualize things you are no longer focused in reality but instead in your own world its people's "happy place". and thats why visualization promotes relaxation and stress reduction.
For example, 4 a 35 year old person, the estimated maximum age related heart rate would be calculated as 220 - 35 years = 185 beats per minute (bpm). The 70% and 85% levels would be 70% level: 185 ×0.70 = 130, so there your answer and , _ hOpe that i have helped you in anyway .
Act as if the world was a piece of paper rolled up where each end touched the other. then just pull them so they form a 2-D map.
