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BACKGROUND: A recent AAOMPT position paper was published that opposed the use of the term 'degenerative disc disease' (DDD), in large part because it appears to be a common age-related finding. While common, there are significant physiologic and biomechanical changes that occur as a result of discogenic degeneration, which are relevant to consider during the practice of manual therapy. METHODS: A narrative review provides an overview of these considerations, including a historical perspective of discogenic instability, the role of the disc as a pain generator, the basic science of a combined biomechanical and physiologic cycle of degeneration and subsequent discogenic instability, the influence of rotation on the degenerative segment, the implications of these factors for manual therapy practice, and a perspective on an evidence-based treatment approach to patients with concurrent low back pain and discogenic degeneration. CONCLUSIONS: As we consider the role of imaging findings such as DDD, we pose the following question: Do our manual interventions reflect the scientifically proven biomechanical aspects of DDD, or have we chosen to ignore the helpful science as we discard the harmful diagnostic label?

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The 35th president of the United States, John F. Kennedy (JFK), experienced chronic back pain beginning in his early 20s. He underwent a total of 4 back operations, including a discectomy, an instrumentation and fusion, and 2 relatively minor surgeries that failed to significantly improve his pain. The authors examined the nature and etiology of JFK's back pain and performed a detailed investigation into the former president's numerous medical evaluations and treatment modalities. This information may lead to a better understanding of the profound effects that JFK's chronic back pain and its treatment had on his life and presidency, and even his death.

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Today, lumbar disc disease is a very common disease, which will be often seen in both the family practice as well as in the consultations of orthopedics, neurology, rheumatology or neurosurgery. Furthermore, lumbar disc surgery is one of the most common spinal surgical procedures worldwide. But, for many centuries, physician had no clear understanding of the anatomical condition and the pathomechanism of this disease. Therefore, no rational treatment was available. The Hippocratic physicians knew the signs and symptoms of lumbar disc disease, which they then called "sciatica". But, they subsumed different disorders, like hip diseases under this term. In the mid-18th century, it was the Italian physician Domenico Felice Antonio Cotugno (1736-1822), who first brought clarity in the concept of radicular syndromes; he recognized, that the so-called "sciatica" could be of neurogenic origin. In 1742, a contemporary of Cotugno, the German Josias Weitbrecht (1702-1747) has to be credited for the first precise description of the intervertebral disc. Nearby a hundred years later, the German Hubert von Luschka (1820-1875) described for the first time a herniated disc in a pathologic specimen. With the landmark report of the New England Journal of Medicine in 1934, the two American surgeons, William Jason Mixter (1880-1958) and Joseph Seaton Barr (1901-1963), finally cleared the pathomechanism of lumbar disc disease.

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In ancient times as well as in the Middle Ages treatment options for discogenic nerve compression syndrome were limited and usually not very specific because of low anatomical and pathophysiological knowledge. The stretch rack (scamnum Hippocratis) was particularly prominent but was widely used as a therapeutic device for very different spinal disorders. Since the beginning of the nineteenth century anatomical knowledge increased and the advances in the fields of asepsis, anesthesia and surgery resulted in an increase in surgical interventions on the spine. In 1908 the first successful lumbar discectomy was initiated and performed by the German neurologist Heinrich O. Oppenheim (1858-1919) and the surgeon Fedor Krause (1857-1937); however, neither recognized the true pathological condition of discogenic nerve compression syndrome. With the landmark report in the New England Journal of Medicine in 1934, the two American surgeons William Jason Mixter (1880-1958) and Joseph Seaton Barr (1901-1963) finally clarified the pathomechanism of lumbar disc herniation and furthermore, propagated discectomy as the standard therapy. Since then interventions on intervertebral discs rapidly increased and the treatment options for lumbar disc surgery quickly evolved. The surgical procedures changed over time and were continuously being refined. In the late 1960s the surgical microscope was introduced for spinal surgery by the work of the famous neurosurgeon Mahmut Gazi Yasargil and his colleague Wolfhard Caspar and so-called microdiscectomy was introduced. Besides open discectomy other interventional techniques were developed to overcome the side effects of surgical procedures. In 1964 the American orthopedic surgeon Lyman Smith (1912-1991) introduced chemonucleolysis, a minimally invasive technique consisting only of a cannula and the proteolytic enzyme chymopapain, which is injected into the disc compartment to dissolve the displaced disc material. In 1975 the Japanese orthopedic surgeon Sadahisa Hijikata described percutaneous discectomy for the first time, which was a further minimally invasive surgical technique. Further variants of minimally invasive surgical procedures, such as percutaneous laser discectomy in 1986 and percutaneous endoscopic microdiscectomy in 1997, were also introduced; however, open discectomy, especially microdiscectomy remains the therapeutic gold standard for lumbar disc herniation.

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In clinical treatment, it is found that certain patients always have some positive reaction points those are relevant with low back pain in the abdomen area. When the simple treatment on the low back is ineffective, the efficacy could be significantly improved if acupuncture or tuina is performed at the abdomen areas, which is called "regulating yin to treat yang", or "treating the back from abdomen". In this paper, with the diagnosis and treatment method of "treating the back from abdomen" for low back pain as principal line, the detailed manipulation is explained for low back pain that is induced by TCM meridian diseases or modern anatomy, which could open the methods for clinical treatment of low back pain and enrich the therapeutic options.

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In 1936, Walter Mercer described a new method for the operative treatment of patients with spondylolisthesis. Using a transabdominal approach in two patients he inserted iliac crest bone graft into the intervertebral disc. His publication in the Edinburgh Medical Journal caused a furore as the levels operated on did not reflect the description and one of the two patients died post-operatively. However, Mercer continued to promote the operation in his textbooks. The anterior approach to the lumbar spine is now performed routinely. This paper explores Mercer's contribution to anterior spinal surgery.

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When the medical records for John Fitzgerald Kennedy were made public, it became clear that the 35th President of the United States suffered greatly from a series of medical illnesses from the time he was a toddler until his assassination in November of 1963. Aside from having Addison disease, no condition seemed to cause him more distress than did his chronic low back pain. A number of surgical procedures to address the presumed structural cause of the pain resulted in little relief and increased disability. Later, a conservative program, including trigger point injections and exercises, provided modest benefit. Herein, the mechanisms underlying his pain are evaluated based on more contemporary pain research. This reconceptualizing of John Fitzgerald Kennedy's pain could serve as a model for other cases where the main cause of the pain is presumed to be located in the periphery.

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BACKGROUND: The Prolo Scale (PS) is a widely accepted assessment tool for lumbar spinal surgery results. Nevertheless, in the literature there is a dearth of consensus about its application, interpretation and accuracy. The purpose of this review is to investigate the evolution of the PS from its introduction in 1986 to the present, including an analysis of different versions of the scale and research on the existing studies investigating its psychometric properties. MATERIALS AND METHODS: PubMed, Cochrane Library and PEDro databases were searched. Studies in English, Italian, French, Spanish and German published from 1986 to December 2012 were analyzed. RESULTS: The original lumbar surgery outcome scale consisted of two Likert-type scales (economic and functional). There are three more versions of the scale: Schnee proposed one consisting of 10 items, Brantigan made one with 20 items and introduced 2 more subscales (pain and medication), and Davis adapted the scale for the cervical spine. PS is often mentioned without any specific reference to the version used; therefore, a homogeneous comparison of studies is difficult to achieve. Several authors agree on the need to embrace a multidimensional measuring system to evaluate low back pain (LBP), but there is still no consensus regarding the most reliable tool. To date, PS has been mostly used as secondary outcome measure in association with validated primary measures for LBP. CONCLUSIONS: The Prolo Scale has been adopted for clinical examination for 20 years because it is easy to administer and useful to compare significant amounts of data from surgical studies carried out at different times. Although several authors demonstrated the scale sensitivity among a battery of tests, no thorough validation study was found in the current literature.

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The recently increasing interest in historical records has led to more research on historical records in various fields of study. This trend has also affected medical research, with the medical climate and popular treatment modalities of the past now being revealed based on historical records. However, most research on medical history during the Joseon era has been based on the most well-known record, Joseon wangjo sillok or Annals of the Joseon Dynasty. Joseon wangjo sillok is a comprehensive and organized record of society during the Joseon era and contains key knowledge about medical history during the period, but it lacks details on the treatment of common disorders at the time. Seungjeongwon ilgi or Diary of the Royal Secretariat has detailed records of daily events and is a valuable resource for the daily activities of the era. And in the middle Josoen era, a variety of medical books - especially Donguibogam - was published. Therefore, the authors focused on the under-researched Seungjeongwon ilgi, Donguibogam and attempted to assess and evaluate low back pain treatment performed on Joseon royalty. The most notable characteristic of low back treatment records within the Seungjeongwon ilgi is that diagnosis and treatment was made based on an independent Korean medicine, rather than conventional Chinese medicine. This paradigm shift is represented in Dongeuibogam, and can be seen in the close relationship between Dongeuibogam and national medical exams of the day. Along with the pragmatism of the middle Joseon era, medical treatment also put more focus on pragmatic treatment methods, and records show emphasis on acupuncture and moxibustion and other points in accord with this. The authors also observed meaning and limitations of low back pain treatment during that era through comparison with current diagnosis and treatment.

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OBJECT: Francis Murphey's theory was analyzed to determine whether or not his opinion is evidence-based medicine and whether or not it can be applied clinically. METHODS: The English literature was reviewed using Medline in reference to Dr. Murphey's theory of discogenic chronic LBP, which was first postulated in 1967. Deductive and inductive logic was utilized for the evaluation of his theory. We reviewed and analyzed his unprecedented study of the annulus fibrosus (AF) and posterior longitudinal ligament (PLL) under local anesthesia that was presented to the Congress of Neurological Surgeons in 1967 and 1972. RESULTS: He reported that: "It is found that the posterior longitudinal ligament and the remaining annulus fibrosus over the herniated discs are also exquisitely tender; even the slightest pressure on them produces pain." We noticed that in Dr. Murphey's presentation, he did not disclose any hard data, yet he concluded: "when an incomplete tear in the annulus occurs and if the tear is in the midline posterior, a fragment of nucleus will protrude in this tear, stretching the annulus and posterior longitudinal ligament, causing midline back pain. If the tear in the annulus is lateral, the pain is over the sacroiliac joint in the buttock and hip, and 20% of the patients in the lower abdomen, groin or testicle on that side." CONCLUSIONS: Because of a flaw in his understanding, in our opinion the unproven mechanical theory of discogenic LBP is weak inductive logic and does not justify discography and intra-discal procedures.

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El dolor lumbar ha sido considerado la complicación más frecuente del embarazo, a pesar de ello, su etiopatogenia aún es controvertida. La prevalencia en nuestro medio es desconocida, y el tratamiento se basa para muchos médicos solo en el reposo, medida que no tiene sustento en la literatura. En esta revisión, nos centramos en la historia clínica, terminología, mecanismos fisiológicos teóricamente implicados, factores de riesgo, prevalencia y proponemos un enfoque de tratamiento del dolor lumbar asociado al embarazo.

The low back pain has been considered the most frequent complication of pregnancy, despite this fact, etiology and pathophysiology is unclear at present time. The prevalence in our country is unknown, and the treatment is based on in rest-periods for the most physicians, instead literature rationality. In our research, based in the literature, we focus in the history, terminology, theoretical physiological mechanism, risk factors, prevalence and we propose pathways for treatment of pregnancy-related low back pain.

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