The transverse plane is a horizontal imaginary line that divides the body into superior (upper) and inferior (lower) parts, or top and bottom. It is one of the anatomical planes of the body.
The transverse plane is also known as the horizontal plane, axial plane, or transaxial plane. It is perpendicular to the coronal plane and sagittal plane, and parallel to the ground.
Movements that occur in the transverse plane involve rotation or horizontal movement. For example, rotating the torso or a limb around its vertical axis, such as turning the head to the left or right.