This big rotation creates wound-up potential energy - the X-factor - but Dr Corey Walker, Dr Juan Uribe and Dr Randall Porter, from Barrow, say it may come at a cost, twisting the lumbar spine.
13 and put Dufty on so we have quality players on the field at the same time.” Many experts believe the rotation policy is effecting the players and their ability to know their roles and perform ...
Plane – sagittal, as there is flexion and extension of the knees, elbows, neck and spine. Axis – frontal, as there is rotation around a line running from left to right through the centre of ...