The vertebral axis is only one direction, and our bodies have two additional directions: front to back, and side to side. The terms for the front to back direction are: Anterior: Toward the front. The nose is on the anterior side of the head. Posterior: Toward the rear.
If you're experiencing numb fingers, especially in the left hand pinky and ring fingers, the most likely cause is ulnar nerve compression or entrapment. The ulnar nerve runs from the spine, past the shoulder blades, down the arm, across the outer bend of the elbow and down the arm to the pinky and ring fingers.
Your brain then can tell your body how to stay balanced. If you spin around and then stop, the liquid inside your semicircular canals moves awhile longer and the hairs continue to send the message that you are spinning even though you're not.That's why you feel dizzy after carnival or amusement park rides. Your semicircular canals are three tiny, fluid-filled tubes in your inner ear that help you keep your balance. When your head moves around, the liquid inside the semicir â¦ cular canals sloshes around and moves the tiny hairs that line each canal.