The Sternocleidomastoid (coloured in blue) is the muscle that decides whether it’s a Yes or a No! As you flex your head to say Yes the SCM activates, it does the same as you slightly rotate from one side to the other to say NO. Personally I get a sense
This is an example widget to show how the Right sidebar looks by default. You can add custom widgets from the widgets screen in the admin. If custom widgets are added then this will be replaced by those widgets.