X Factor Stretch - What's the Difference?

X factor is simply the separation. X factor stretch is very specific to the transition phase, and it's the increase in stretch created by the pelvis turning before the shoulders into the down swing. 89 % of tour players start their down swing with the pelvis. Early on in the down swing, the pelvis has a higher rotational velocity than the upper body,. so will outrun the upper body toward the ball.