As we have learned there are 3 systems that can cause dizziness, our eyes or vision, our inner ear or vestibular system, and lastly our neck or upper cervical spine.
Through strong connections between these systems that relay information, coordinate head motion in space and our eyes, these reflexes can be dysfunctional when one or more systems fail to work well.
Here is an example, if you have poor proprioception or loss of neck motion then turning your head to ‘see’ will cause an overshoot of the visual target and your eyes have to work harder to adjust. Your neck and your eyes did not work well together in this scenario. This creates more work on the brain. Common symptoms for this are eye fatigue and tension around the eyes, pain behind the eyes, brain fatigue or ‘fogginess’, and yes dizziness.
Tips to diagnose a neck problem
The head is not on straight
Our righting reflexes keep our eyes level and facing forward. When the head is turned or tilted sideways our eyes are no longer in a neutral position and to keep looking forward ocular muscle activation or contraction occurs. To override these powerful reflexes there needs to be a significant problem. Most of the time the neck is ‘stuck’.
Look for a head that is turned or tilted or both. This is usually an automatic neck problem of the upper cervical spine.
History of self-manipulation or stretching
People that are stretch their necks regularly or manipulate their necks have an upper cervical dysfunction. Other history involves regular chiropractic monthly and even other therapies such as PT or massage.
Pain and loss of upper neck motion
Patients love it when we ‘touch’ them. There is something that occurs when a practitioner does this. Physicians that sit back and diagnose through tests and taking a history do not get praised when these same patients come to therapy. The ones we hear consistently about at Cornerstone are the ones that laid hands and added palpation to their exam.
The head is not on straight
History of self-manipulation or stretching
Pain and loss of upper neck motion
Testing the upper neck
Look for tension and pain to the upper neck muscles. At times a reproduction of dizziness occurs when we are assessing. With one hand gently feel the forehead of your patient while you use your thumb and middle finger to feel the sides of the upper neck. Your touch will also tell you if there is symmetry in what you are feeling. The spinous process of the axis or C2 is very prominent. If you have trouble finding the spinous process of C2 have the patient nod their head. The first bump under the occiput is the spinous process. If it is off to the side then there is a problem.
Test the C1-2 rotation between the atlas and axis. Normal motion is closer to 40 degrees each direction. In the same position stabilize the axis now with a lumbrical grip getting good purchase around C2. Hold this position gently and try to turn the head on the neck with your hand on their forehead. Pain and stiffness and you have a positive test.
This video shows upper cervical testing.