There is a very good reason for this. When you are in charge of public health policy, you need measures that are easy to implement by anyone, easy to check, don

There is a very good reason for this. When you are in charge of public health policy, you need measures that are easy to implement by anyone, easy to check, don't involve any complexity or specific objects. That is also why in another popular study[0] push-ups were used as a marker instead of much more precise markers such as blood pressure etc. [0] https://www.health.harvard.edu/staying-healthy/more-push-ups-may-mean-less-risk-of-heart-problems https://www.health.harvard.edu/staying-healthy/more-push-ups...