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 solely dependent on mass What does Newton's First Law of Motion state? objects at rest stay at rest; objects in motion stay in motion until an unbalanced force acts on it