It is different. Some do it early while they lift the foot (show the numbers). Mccutchen is a good example, he counter rotates shoulders as he strides.
https://youtu.be/XpH7FstqCXs
Posey on the other hand coils back his hips and shoulders at the same time and then separates from the bottom by opening the hips into foot plant.
https://youtu.be/h-FXVrYymKw
https://youtu.be/XpH7FstqCXs
Posey on the other hand coils back his hips and shoulders at the same time and then separates from the bottom by opening the hips into foot plant.
https://youtu.be/h-FXVrYymKw