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A dissertation in partial compliance with the requirements for a Master's Degree in Technology: Chiropractic, Durban Institute of Technology, 2005. / Although studies of manipulation-induced peripheral changes in the muscles have been done, inconsistencies noted by the author’s call for further investigation into the reflex effects of manipulation. Additionally, according to the literature, no effective treatment protocol for the painful shoulder has been found. Therefore this research aimed at addressing these discrepancies by quantifying the immediate effect of cervical spine manipulation in terms of peak torque on rotator cuff musculature in asymptomatic patients with both a cervical spine dysfunction and without. And thus by investigating cervical manipulation to the C4-C7 spinal segment, as a possible added intervention for improving rotator cuff muscle peak torque, a more efficient and effective management protocol for the painful shoulder could be attained. Thus the aims for this study included: 1) To evaluate whether manipulation has an effect on rotator cuff peak torque or not, utilizing the Cybex Orthotron II Isokinetic Rehabilitation System; 2) To ascertain whether manipulation of the specific levels has an effect on the rotator cuff peak torque or not and 3) To ascertain whether the presence or absence / M

A dissertation submitted in partial compliance with the requirements for the Master's Degree in Technology: Chiropractic, Durban Institute of Technology, 2003. / Whiplash injuries are thought to occur in as many as one-fifth of all MVA’s in the United States and Canada. South Africa may have a higher incidence of whiplash injuries due to the exceptionally high road accident rate when compared with international norms (Burger 1996:478). The incidence rate is higher among female subjects and people aged 20-24 years (Teasell and Shapiro 1998: 72, Spitzer et al. 1995). Whiplash injuries or whiplash-associated disorders (WAD) often result in chronic pain with a poor response to conventional therapeutics. Manipulation, exercise and anti-inflammatories have been identified as the options with scientifically established validity in the management of WAD (Spitzer et al. 1995) Patients with WAD have a distortion of the posture control system as a result of disorganised neck proprioceptive activity. It would therefore appear that proprioceptive rehabilitative exercises would benefit WAD sufferers (Revel et al. 1994, Gimse et al. 1996). Spinal manipulation has also been shown to have a significant effect on proprioceptive-dependent abilities in subjects with chronic neck pain (Rogers 1997). This suggests that a combination of manipulation and proprioceptive rehabilitation may offer an improved treatment protocol for WAD (Fitz-Ritson 1995). The purpose of this investigation is to evaluate the relative effectiveness of proprioceptive exercises and cervical spine manipulation compared to manipulation alone, in terms of subjective and objective measures, in the treatment of whiplash-associated disorders. / M

M.Tech. (Chiropractic) / Please refer to full text to view abstract

Physical examination of the articulations between the dorsal vertebrae and the dorsal ribs of the sauropod dinosaur Camarasaurus (Upper Cretaceous, Wyoming or whatever) shows that the dorsal vertebral column has a slight double curve and the torso is more narrow and volumetrically smaller than previously reconstructed. The shape of the dorsal vertebrae series was based upon the position of the zygopophyses and centrum spacing. The dorsal ribs were placed on the vertebrae based upon the position of tuberculum/diapophysis, capitulum/parapophysis, and the lateral edge of the rib head. Comparisons between the articulated torso of Camarasaurus and extant relatives allowed for the first attempt in reconstructing the three intercostal muscle groups. The newly defined torso shape in combination with the presence of scapular facets on the ribs allowed the scapulocoracoid to be placed upon the torso at an angle of 20-30°.

Alterações na coluna vertebral de cães são comumente encontradas na rotina clínica e cirúrgica veterinária. Existem poucos estudos sobre a anatomia ultrassonográfica musculoesquelética do segmento toracolombar e lombar da coluna vertebral normal de cães. O objetivo deste trabalho foi comparar a anatomia ultrassonográfica musculoesquelética normal dos segmentos vertebrais avaliados com imagens obtidas pela ressonância magnética, tomografia computadorizada e peças anatômicas visando demonstrar a sua capacidade de identificação de estruturas. A varredura ultrassonográfica permitiu a visibilização da musculatura da região, processos articulares, processos espinhosos, ligamentos interespinhosos e ligamento amarelo na janela lombossacra. A tomografia computadorizada forneceu imagens com melhor detalhamento ósseo quando comparada ao exame ultrassonográfico. A ressonância magnética de baixo campo permitiu a identificação das mesmas estruturas que o exame ultrassonográfico acrescido da identificação do líquido cefalorraquidiano, processos transversos e melhor detalhamento dos discos intervertebrais e medula espinhal. Com o conhecimento da anatomia ultrassonográfica da região, acredita-se que lesões musculares e ligamentares possam ser identificadas. Vale salientar que em regiões onde a tomografia computadorizada e a ressonância magnética não estejam acessíveis a ultrassonografia da região pode ser uma boa alternativa para identificar possíveis alterações não visibilizadas ao exame radiográfico, ou complementar o mesmo. / Changes in the spine of dogs are usually found in clinical and surgical practices. There are few studies on musculoskeletal ultrasound anatomy of thoracolumbar and lumbar segments of the normal spine of dogs. The aim of this study was to compare normal musculoskeletal ultrasound anatomy of the vertebral segments evaluated with images obtained by magnetic resonance imaging, computed tomography and anatomical parts in order to establish its ability to identify structures. The ultrasound scan allowed visualization of the muscles of the region, articular processes, spinous process, interspinous ligament and yellow ligament in the lumbosacral window. Computed tomography provide images with better bone details when compared to ultrasound examination. Low field magnetic resonance imaging allowed the identification of the same structures as the ultrasound examination plus the identification of cerebrospinal fluid, transverse processes and better detail of the intervertebral discs and spinal cord. Knowledge of ultrasound anatomy of the region may lead to detection of muscle and ligament injuries. It is emphasized that in areas where CT and MRI are not accessible, ultrasonography of the region can be a good alternative to identify possible alterations not visualized by radiographic examination or supplement it.

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Background: In the clinical examination of patients with low back pain (LBP), musculoskeletal physiotherapists routinely assess lumbar spinal segmental motion by performing physical examination procedures such as observation of active range of motion and palpation of intervertebral motion. The validity of manual assessment of segmental motion, however, has not been adequately investigated. Methods: In this pragmatic, multi-centre, criterion-related validity study, 138 consecutive patients with LBP were recruited and examined by physiotherapists with postgraduate training in musculoskeletal manual therapy. Clinicians examined each patient�s spine for the presence of segmental motion abnormalities, described as lumbar segmental rigidity (LSR) and lumbar segmental instability (LSI), then referred the patients for flexion-extension (FE) radiographs. The physical examination procedures of interest were: 1) assessment of forward-bending (FB) active range of motion (AROM); 2) FB and backward-bending (BB) passive physiological intervertebral motion testing (PPIVMs) in the sagittal plane; and 3) central postero-anterior passive accessory intervertebral motion testing (PAIVMs). Sagittal displacement kinematics of the lumbar spinal segments were measured from the FE radiographs, and served as the criterion standard against which the clinical assessment results were compared. The kinematic parameters measured were sagittal rotation, sagittal translation, ratio of translation per degree of rotation (TRR), instantaneous axis of rotation (IAR), and centre of reaction (CR). Reference ranges for normal motion were calculated from the analysis of FE radiographs of 30 asymptomatic volunteers. The accuracy and validity of the clinical examination procedures were then calculated, and reported as sensitivity, specificity, and likelihood ratios for a positive test (LR+) and a negative test (LR-). Results: In patients with LBP, sagittal rotation LSR and sagittal translation LSR had a prevalence of approximately 5.7% (p <0.0005) in this cohort. Sagittal rotation LSI was not found in statistically significant numbers. Sagittal translation LSI was found at a prevalence of 3.6% (p <0.05). Abnormal TRR (23.3%), IAR (17.7%), and CR (16.5%) were more prevalent findings (all p <0.0005). Observation of the quantity of AROM, during FB, is not valid for the assessment of either total lumbar segmental sagittal rotation, or detection of individual segments with abnormal segmental motion. PPIVMs and PAIVMs are specific, but not sensitive, for the detection of rotation LSI and translation LSI. A positive test (grade 4 on a scale from 0 to 4) with BB PPIVMs may have some utility for the diagnosis of rotation LSI or translation LSI, with LR+ of 8.4 and 7.1 respectively (and 95% CIs from around 1.7 to 38). Likelihood ratio statistics for FB PPIVMs were not statistically significant. A positive test (grade 2 on a scale from 0 to 2) with PAIVMs may have some utility for the diagnosis of rotation LSI or translation LSI, with LR+ of 2.7 and 2.5 respectively (and 95% CIs from around 1.01 to 7.5). Neither PPIVMs nor PAIVMs were useful for the detection of LSR, or abnormal quality of motion as measured by TRR, CR, and IAR. Conclusions: Abnormal spinal segmental motion is associated with the symptom of LBP, in patients presenting to physiotherapists with a new episode of recurrent or chronic LBP, however prevalence is low due to highly variable lumbar segmental motion among asymptomatic individuals. Manual physical examination has moderate validity, but limited utility on its own, for the detection of translation LSI. Further research should investigate the utility of other clinical examination findings for the detection of lumbar segmental mobility disorders.

Thesis (Ph. D.)--University of Washington, 2002. / Vita. Includes bibliographical references (leaves 153-165).