1037 W. Avenue N, Suite 101
Palmdale, CA 93551
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Dr. Dewald is an honor graduate of Los Angeles College of Chiropractic in Whittier, California.
He has been in private practice in the Antelope Valley since 1993.
Dr. Dewald is a Qualified Medical Examiner for the State of California, making him an expert in the diagnosis and treatment of most conditions. He is specially trained to help you navigate Workers Compensation and Personal Injury cases. Dr. Dewald also holds certifications in Sports Medicine and Manipulation Under Anesthesia.
As a sports chiropractor, Dr. Dewald can make custom casted orthotics to help with many foot and back problems.
We also offer nutritional and exercise training to help you achieve your optimum health.
Chiropractic was founded in 1895 by Daniel David Palmer, and was originally based on the belief that all health problems can be prevented and treated using adjustments of the spine and sometimes other joints to correct "subluxations". A small proportion of chiropractors still believe that subluxations are the cause of all or most disease. Some chiropractors believe there is causal relationship between nerve interference or compression at the spine and subsequent problems in more distant body parts or organ systems connected by the nerve. In the USA and Canada, chiropractors are also commonly referred to as "doctors of chiropractic" or "chiropractic physicians".
The main chiropractic technique is joint manipulation (called "adjustment"), especially of the spine. Spinal adjustments may provide short-term relief of certain forms of back and neck pain, headaches, and other spine-related conditions, but studies show conflicting results. A 1979 study showed manipulation of the lumbar spine to have no "superior long-term effect compared to other methods of treatment", while a 2005 study stated that "the inclusion of a chiropractic benefit resulted in a reduction in the rates of surgery, advanced imaging, inpatient care, and plain-film radiographs."
Chiropractic is used by some professional athletes, and, for example, the U.S. Olympic Medical Services Staff includes doctors of chiropractic who work with medical doctors for the benefit of the atheletes.(Chiropractic at the Winter Olympic Games) Doctors of chiropractic may also employ massage and physiotherapists as adjuncts to chiropractic care.
Palmer and his patient Harvey Lillard give differing accounts of when and how Palmer began to experiment with spinal manipulation. Palmer recalled an incident in 1895 when he was investigating the medical history of a deaf janitor, Harvey Lillard. Lillard informed Palmer that while working in a cramped area seventeen years earlier, he felt a 'pop' in his back, and had been nearly deaf ever since. Palmer’s examination found a sore lump which indicated spinal misalignment and a possible cause of Lillard's deafness. Palmer corrected the misalignment, and Lillard could then hear the wheels of the horse-drawn carts in the street below. Palmer said there was nothing accidental about this, as it was accomplished with an object in view, and the expected result was obtained. There was nothing 'crude" about this adjustment; it was specific so much so that no chiropractor has equalled it.
Palmer's version was disputed by Lillard's daughter, Valdeenia Lillard Simons. She says that her father told her that he was telling jokes to a friend in the hall outside Palmer's office and, Palmer, who had been reading, joined them. When Lillard reached the punch line, Palmer, laughing heartily, slapped Lillard on the back with the hand holding the heavy book he had been reading. A few days later, Lillard told Palmer that his hearing seemed better. Palmer then decided to explore manipulation as an expansion of his magnetic healing practice. Simons said "the compact was that if they can make [something of] it, then they both would share. But, it didn't happen."
As with all interventions, risks may be associated with spinal manipulation. These risks, although rare, include vertebrobasilar accidents, strokes, disc herniations, vertebral fracture, and cauda equina syndrome, according to Harrison's. Most serious complications occur after cervical (neck) manipulation. The practice of greatest concern is the rotary neck movement, sometimes called "master cervical" or "rotary break", which has led to trauma, paralysis, strokes, and death.
Documented serious complications due to manipulation of the cervical spine are very rare (1 in 3-4 million manipulations or fewer). This estimate is based on many international studies of millions of chiropractic cervical adjustments, spanning from 1965 to the present day. The "one in a million" estimate is echoed in an extensive review of spinal manipulation performed by the RAND corporation. However, in another study, Dvorak cites figures of 1 in 400,000, while Jaskoviak reported approximately 5 million cervical manipulations from 1965 to 1980 at The National College of Chiropractic Clinic in Chicago, without a single case of vertebral artery stroke or serious injury. Less conservative treatments such as neck surgery are also often used for conditions similar to the conditions chiropractors treat using spinal adjustments. Cervical spine surgery has a 3-4% rate of complication and 4,000-10,000 deaths per million neck surgeries.
With studies of this nature it is difficult to determine what percentage of incidents are reported. The RAND study, for example, assumed that only 1 in 10 cases would have been reported. Dr Edzard Ernst surveyed neurologists in Britain for cases of serious neurological complication occurring within 24 hours of cervical spinal manipulation during the past year. 35 cases had been seen by the 24 who responded, and none of those had been reported. His survey led him to conclude that underreporting was closer to 100%, rendering estimates "nonsensical."
A 2001 study in the medical journal Stroke found that vertebrobasilar accidents (VBAs) are five times more likely in those aged <45 years who had visited a chiropractor in the week before the VBA, compared to controls who had not visited a chiropractor.
Chiropractors cite a New Zealand Commission report as supporting the safety of chiropractic. The report said "We are satisfied that chiropractic treatment in New Zealand is remarkably safe." But this was disputed by the judge in the Wilk v. American Medical Association case; on safety, this report was found to be "unsatisfactory", and a review of the New Zealand report by the United States Congress' Office of Technology Assessment found 'serious problems' in the report's treatment of safety and efficacy issues. It concluded that the New Zealand report's review of the safety issue was 'unsatisfactory.'
In the USA, graduates of chiropractic school receive the degree Doctor of Chiropractic (D.C.), are referred to as "doctor", and are eligible to seek licensure in all jurisdictions. The Council on Chiropractic Education (CCE) sets minimum guidelines for chiropractic colleges, but additional requirements may be needed for a license depending on the jurisdiction where a chiropractor chooses to practice. Currently all 19 chiropractic institutions in the USA are accredited by the CCE.
Students often enter chiropractic school with a Bachelor's degree, or with three years of post-secondary education in the sciences and other appropriate coursework. However, in 200,5 only one chiropractic college required a baccalaureate degree as an admission requirement. The minimum prerequisite for enrollment in a chiropractic college set forth by the CCE is 90 semester hours, and the minimum cumulative GPA for a student entering is 2.50. Commonly required classes include: psychology, biology, organic and inorganic chemistry, and physics. Other common medical classes are: anatomy or embryology, physiology, microbiology, diagnosis, neurology, x-ray, orthopedics, obstetrics, and gynecology.
In the USA, chiropractic programs require at least 4,200 hours of combined classroom, laboratory, and clinical experience. The last 2 years stress courses in manipulation and spinal adjustment and provide clinical experience in physical and laboratory diagnosis, orthopedics, neurology, geriatrics, physiotherapy, and nutrition. Graduates must complete 5 years of schooling and pass 4 national board exams to complete their education. To qualify for licensure, graduates must sit for State examination; most State boards require at least 2 years of undergraduate education, and an increasing number require a 4-year bachelor’s degree. All boards require the completion of a 4-year program at an accredited college leading to the Doctor of Chiropractic degree. Once licensed, most States require chiropractors to attend 12-48 hours of continuing education annually.
Chiropractic colleges also offer Postdoctoral training in neurology, orthopedics, sports injuries, nutrition, rehabilitation, industrial consulting, radiology, family practice, pediatrics, and applied chiropractic sciences. After such training, chiropractors may take exams leading to “diplomate” status in a given specialty including orthopedics, neurology and radiology.