The first one is the most revealing.
Dying from simply doing light stretching.
Thus, ANY movement can kill.
It is rather simple to understand that when a person is intoxicated by the spike protein, has a systemic pro inflammatory response, which increases oxygen demand on tissues, and an altered blood that lowers the overall oxygen carrying capacity.
Put together both conditions are a ticking time bomb, an effort that a healthy person could perfectly handle, can kill a spiked person.