The plane which is defined by the head-to-foot and anterior-to-posterior directions in the human body. A stack of images acquired in the sagittal plane separates images by their left-to-right locations. The mid-line sagittal plane bisects the left and right half of the human body.
Under heavy braking, the rear tires lock up and the axle begins to bounce; the amplitude of the bounce becomes so severe that the tires finally develop enough traction (when slamming hard against the pavement) to rip the whole axle assembly free of the vehicle.
YES - A broken tread or side belt will cause a shimmy or shake while driving. Also another way of telling if you have a belt shift is look directly at the tread face. If its broke the tread will actually be S shaped... hence the term S Shaped Tread. If you notice a belt shift replace the tire.