Keep your feet planted firmly in the stirrups and slightly extend your legs so that you are putting pressure on the stirrups like you are going to stand up.
One of the main reasons why life expectancy dramatically rose in the past century was due to different factors. One that surely contributed to them was better access to medical equipment and medical advances themselves. As well as better nutrition that was available to the common person.
Since training and stretching for flexibility is a physical activity, I would say yes you should record it.
