Exercise and moving in general typically puts force on bones the same way that a car puts force in its suspension. It compacts bones slightly and leads to new tissue (bone) growth, similar to how muscles grow.
RSA respiratory sinus arrithmia , ecg to dx treatment not necessary
Control your weight
Decrease the risk of cardiovascular diseases
Reduce the chance of occurring type 2 diabetes and metabolic syndrome
Reduce the risk of some cancers
Strengthen your bones and muscles
Improve your mental health and mood
Increases your life expectancy
It is use by Eye Care Professionals To check the eyesight of a person.
If u would have visited a eye care centre u would have noticed a chart like this--
If a person can see all the letters from a distance his eyesight is Perfect.If that person misses a letter or a line from the grid eye treatment or spectacles are given to the person for improving their eyesight