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.
Inertia is the resistance of any physical object to any change in its state of motion; this includes changes to its speed, direction or state of rest. It is the tendency of objects to keep moving in a straight line at constant velocity.