Simplicity can often be more difficult than complexity. The very simplicity of being asked to perform one action followed by stillness may cause a mental blank. What should that first action be? Indecision sets in. That first action can be ANYTHING! Turn, double over, lower to the floor, wave the arms, reach for the ceiling, twist to one side, or just take a deep breath and allow whatever other movement may begin to emerge to do so. A swaying of the torso can also init iate movement which can then develop further. Here is the first example of concentrating on the possible freedoms in interpreting the instructions; there need be no constraints.