‘Flat Barrel’ vs ‘Vertical Barrel’

Would you prefer a Flat Barrel vs Vertical Barrel at front foot landing?

Could it just be an individual preference, that has been woven into our prefered motor skills from birth?!

And that our Personal Motor Preferences tell us that we are either a horizontal or vertical mover? 

It will highlight the uniqueness of each human being in his or her ability to make conscious or unconscious movements that use as little energy as possible while being as effective and efficient as possible. These movements are dictated by the nature of the individual, his life experience and interactions with his environment.