What the Research Says about X-FACTOR w/ Dr Phil Cheetham

x-factor and x-factor stretch

In today’s episode we’re taking a look at the research around X-Factor and X-Factor Stretch done by our guest Dr Phil Cheetham.  X-Factor, first popularized in the 90’s by Golf Magazine and Jim McLean, was the focus of some of Dr Cheetham’s research in kinematics.  Today we learn –  Is it relevant?  Does it hold up […]