There isn't really any such thing as regular yoga. I do know that in the US, many people associate yoga with hatha yoga, which usually means that the focus is on the building blocks of poses and on stretching-type poses.
Inertia is resistance to change. You hate looking at people's feet and yet you stay in your job as a shoe salesman year after year.
That is called inertial and the first law of motion is also known as the law of inertia. Inertia is defined as the tendency of an object to remain at rest or of moving until an external force acts on it. Object having heavier mass has larger inertia. The mass of an object is a measure of its inertia.