What axis passes vertically from head to toe?

The vertical axis runs from the top of the head down to the feet, allowing for rotational movements around this axis. In physical education and biomechanics, motions such as twisting of the body during activities like a spin in dance or gymnastics occur around this vertical axis. This axis is crucial for understanding how your body moves in various sports and physical activities, as it helps identify how different parts of the body relate to motion and balance.

The other axes mentioned each have distinct orientations and purposes: the sagittal axis runs horizontally from front to back, the frontal axis runs horizontally from side to side, and the horizontal axis is not described as running from head to toe. Thus, the vertical axis is the one that accurately describes an upright position from head to toe and facilitates understanding dynamic movements.