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.
The side of the pinky finger is the most painless place to test. If you learned how to test your blood sugar in the hospital or from a nurse in your doctor's office who doesn't themselves have diabetes, you may have been taught the wrong technique for testing and may be causing yourself unnecessary pain.he side of the pinky finger is the most painless place to test. If you learned how to test your blood sugar in the hospital or from a nurse in your doctor's office who doesn't themselves have diabetes, you may have been taught the wrong technique for testing and may be causing yourself unnecessary pain.