resourcesABOUT MT AUTHOR GUIDELINES CLASSIFIEDS EDITORIAL CALENDAR MEDIA GUIDE MASSAGE MART SCHOOLS & EDUCATION FEEDBACK
Is the EHR Ship Setting Sail Without Us?
The numbers are in: As of July 2014, 10,253 doctors of chiropractic have received $123,059,868 in EHR stimulus funds – and yet that represents less than 15 percent of our profession.
News in Brief
Major Organizations Announce Joint Conference; Fighting for Section 2706; New Vice President of Chiro. Program at Parker; Two Families, One Chiropractic Dynasty.
Overcoming Barriers to Exercise Compliance
One of the most common questions other practitioners ask me is, "How do I get patients to do their exercises?" I am not frustrated by my patient compliance, as many doctors are; in fact, I am actually happy with my patients' involvement and commitment.
We Get Letters & E-Mail
Not All Evidence Is Equal; An Abundance of Misinformation; A Well-Researched Decision; Far Too Dangerous.
Defending With Vitamin D: Helps Prevent Progression to Diabetes
A 2014 clinical trial published in the American Journal of Clinical Nutrition provides additional evidence that optimal vitamin D nutritional status may be important in preventing the progression of prediabetes to diabetes in prediabetic adults.
Love a Nurse – and They'll Love You Back
According to various sources, there are about 3 million registered nurses in the U.S., and according to the American Nurses Association, they are under serious pressure in today's health care reality.
Peer Points: Always Seeking To Grow
Ellen "Kiki" Geary has spent the last decade honing her craft. As a specialist in integrative holistic care, she went straight from completing her master's degree in acupuncture and chinese herbal medicine from Bastyr University to building a successful and thriving practice in the small community of Anacortes, Washington.
Billing for Same-Visit Extraspinal and Spinal Manipulation
Q: I have always been under the premise that when billing 98943, extraspinal chiropractic manipulation, on the same visit as spinal manipulation, 98940-98942, that the extraspinal manipulation requires modifier 51.
Women's Health: Herbal Formulas to Help Patients With Dysmenorrhea
Chiropractors have long treated women for menstrual pain (dysmenorrhea). Since roughly 60 percent of all chiropractic patients are women and 30-50 percent of women have a history of menstrual cramps, the vast majority of doctors of chiropractic will inevitably see patients with dysmenorrhea.
The Art of Day-to-Day Assessment and Treatment: Clinical Pearls
Let's focus on the day-to-day process of assessing and treating the patient. I am proposing a particular attitude; a way of looking at the patient. This often evolves over a few treatments and then changes as you figure out what is significant.
The Wisdom of the Second Office Location (SOL)
There are some things I never want to do again, like riding a motorcycle 100 mph. I call these things my "negative bucket list." Other things I have on that list include water skiing, riding a roller coaster and eating habanero peppers.
Building From the Bottom Up
I caught up with my dear friend Honora Wolfe, in her Colorado painting studio where, if she is not praying in Bhutan or doing charitable work in a Nepali free clinic, she spends most of her time now.
A History Worth Telling
The popularity and the use of acupuncture for the treatment of animals in the United States is at its peak.
Image Is Everything: The Power of Branding
Successful businesses use color and design to attract people to their service. They understand how important image is and hire experts to create an attractive package. Starbucks works hard to create an atmosphere that is warm and inviting.
State by State: Comparing Chiropractic Scope of Practice
"The issue of 'scope of practice' has been a bugaboo ever since our early quests for legal recognition for chiropractic," according to Dr. Claire Johnson, editor in chief of JMPT and National's other two chiropractic journals.
Medical Qigong for the Heart: Part III
Part 1 and Part II of this series focused on the physical aspect of the Heart and mental emotional aspects of the Heart respectively. Now, I would like to focus on the spiritual aspect of the Heart.
A Guide for Talking to Doctors about Acupuncture and Brain Chemistry
Before I begin any discussion of how to talk about the effects of acupuncture on brain chemistry, nervous and endocrine function, it is essential to understand just what physicians most need help with.
Finders Keepers: The Secret to Relationship-Based Marketing
Becoming a successful practitioner has less to do with what you learned in school, and more to do with your ability to find new patients and keep them!
A Chinese Medicine Story: An Interview with Mazin Al-Khafaji
Mazin Al-Khafaji's work has interested me for years. In February 2014, we invited him for the second time to speak at the Southwest Symposium in Austin, Texas.
A Dream Come True for Chiropractic: Funding Prevention and Public Health
Back in 2005, Sen. Tom Harkin (D-Iowa) said: "Let's face it, in America today we don't have a health care system, we have a sick care system.
Are Your Work Orders in Order?
There are times when a patient's occupational duties will delay or prevent them from recovering. These circumstances create the need for the doctor to recommend modified duty or remove the patient from work.
May, 2008, Vol. 08, Issue 05
The Controversy of Cranial Bone Movement
By Lisa Johnson Zee; guest author for John Upledger, DO, OMM
Editor's note: Dr. Upledger has asked guest author Lisa Johnson Zee to share her thoughts on cranial bone movement in this month's column.
In anatomy and physiology, I learned that cranial bones fuse in early adulthood or childhood.1 Gray's Anatomy supports the theory that the sutures grow together, creating a solid mass of bone called the calvarium. The fused skull functions as a helmet in which volume or pressure changes in blood, cerebrospinal fluid (CSF) or brain tissue cause corresponding pressure changes in other systems to prevent an increase of intracranial pressure.
However, there is a sizable body of literature that documents a small, rhythmic movement of the cranial bones. The bulk of these studies come from the cranial osteopathy medical field. The following is a synopsis of some of these studies.
Tettambel used force transducers to measure movement between the frontal bone and bilateral mastoid processes of the temporal bone in 30 subjects.2 She recorded three rhythms including the cardiac and respiratory rhythms. She hypothesized that the third pulse, which averaged eight cycles per minute, was the craniosacral rhythm.
Frymann studied the rhythmic changes in the circumference of the head using a U-shaped frame with a differential transducer.3 Changes in the diameter of the skull were measured by the displacement of metal rods. This study is unique because it measured movement in live human subjects. Frymann found a pulsating rhythm between six and eight cycles per minute separate from cardiac and respiratory rates. The amount of displacement was measured between 10 and 30 microns.
Another study by Adams, et al., looked at parietal bone mobility in cats.4 These researchers fastened strain gauges to feline parietal bones to measure movement when injections of artificial CSF were given. The bones moved significantly, varying from 17 to 70 microns. External lateral head compression caused a measurable widening of the sagittal suture with an inward rotation of the parietal bones.
Researchers at the University of Michigan College of Osteopathic Medicine have looked at cranial bone mobility in adult primates.5 Michael and Retzlaff used a direct screw attachment on the right parietal bone and measured movement with a pressure transducer. They also measured blood pressure, heart rate and respiration rate. The parietal bones moved spontaneously in two distinct rhythms, one corresponding to the respiration rate and a second, slower rate of five to seven cycles per minute.
These four studies indicate cranial bones may show a slow, steady, cyclical movement. A relatively new theory for Western medical science, it represents a dramatic shift. Bringing controversial ideas into the status quo of scientific thought is not easy, but the body of literature supporting cranial movement is growing. Although inconclusive, it deserves to be approached with an open mind.
In CranioSacral Therapy (CST), the rhythm of CSF can be palpated at all parts of the body due to the passive action of fascial connective tissue. The rhythm occurs in two distinct phases: flexion (outward movement) and extension (inward movement). In physical therapy terms, flexion is a decreasing measurement of degrees in the angle of the joint. The sphenobasilar joint is where the posterior sphenoid articulates with a ridge on the occipital bone.
When Dr. William Garner Sutherland, the "father of osteopathy," palpated the movement of these bones, he noticed this joint does indeed flex or reduce angle size on the inferior side. The flexion of this angle is accompanied by subtle outward movement in the body, which Sutherland called flexion. Therefore, in CST, the cranium, along with the rest of the body, is in flexion when it widens and in extension when it narrows.
Anatomy of Suture Closure
To discover more about cranial bone motion, let's examine the nature of cranial sutures. If the sutures remain flexible throughout adulthood, some degree of motion is possible when driven by pressure changes in the craniosacral system. If the tissues fuse and become immobile, rhythmic motion is unlikely.
Several studies have examined the nature of the cranial sutures. Retzlaff, et al.,used light and scanning microscopy to examine tissue samples of adult primate sutures.6 They found connective tissue, blood vessels and nerve fibers present in the sutural space. They described a five-layered pattern of fibers and cells containing collagenous bundles. Tissue was reported to be arranged in a wavy pattern. The researchers hypothesized the purpose of the tissue might be to control the elongation of the collagen bundles. They reported no evidence of fusion in the adult primate sutures.
In a separate study, Upledger and Retzlaff examined the sagittal suture in primate skulls.7 They found not only connective tissue, but also a vascular network and neuronal plexuses and receptors in sutural tissue. In one specimen, they were able to trace a single dendrite through the dural membrane into the brain, terminating in the third ventricle containing CSF. Further study of this neural tract may bring answers to how the homeostatic feedback mechanism in the brain's CSF hydraulic system functions.
In the 1920s, Todd and Lyon published two articles examining a timeline of sutural closure in the male human skull.8 These researchers hypothesized that cranial sutures fuse at some point in the human lifetime. They started with 427 specimens, but rejected 81 due to abnormal suture closure or "delayed union." Furthermore, some of the skulls were termed lapsed union, which meant failure of the suture to close due to a concentration of bone along the edge of the articulatory surface. For reasons unclear, they counted these skulls as fused, which biased results toward earlier suture closure. The data they found is as follows:
The authors concluded that the sutures tend to close along this timeline. However, there is a high degree of variability reported. This study also was conducted some 80 years ago. Standards of protocol in scientific research have changed.
Researchers have studied one suture in-depth using different human specimens. Kokich examined one suture in the facial area - the frontozygomatic suture.9 Of his 61 specimens, he found none demonstrated closure until after age 80, and some weren't completely fused even after age 90. He noted that bony interdigitations formed along the suture with advancing age, but did not affect the patency of sutural movement. Kokich, like Retzlaff and Upledger, found clear evidence of collagen fibers within the suture. He stated that frontozygomatic suture remains a functioning "articulation" until late in life.
A conclusive statement about whether and when sutural fusion occurs cannot be made from existing research.10 Clearly the subject remains open for debate. Having palpated the craniosacral rhythm with my own hands, I believe cranial sutures maintain flexibility that might best be called articulation. This flexibility allows the bones to move passively as they are driven by the craniosacral system.
Click here for previous articles by John Upledger, DO, OMM.
Lisa Johnson Zee is a clinical supervisor and instructor in the Communication Disorders and Sciences Program at Southern Illinois University Carbondale. She is certified in CranioSacral Therapy Techniques through The Upledger Institute. Her other interests include complementary and alternative medicine, traumatic brain injury and bilingual Spanish/English therapy.
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