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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
261

The development of short latency inhibition from triceps brachii to biceps brachii in man

McDonough, Suzanne January 1995 (has links)
No description available.
262

Physical mapping around the SMA gene using yeast artificial chromosomes (YACs)

Francis, Michael J. January 1994 (has links)
No description available.
263

The effectiveness of spinal manipulation versus spinal manipulation in conjunction with core stabilisation exercises in the treatment of mechanical low back pain

Boden, Langley Nicholas January 2002 (has links)
A dissertation presented in partial compliance with the requirements for the Master's Degree technology: Chiropractic, Durban Institute of Technology, 2002. / Low back pain is estimated to effect 60-90% of the world's population sometime during their lives while 20-30% of people suffer from low back pain at any given time (Cassidy and Burton, 1992:3). Locally, epidemiological studies into low back pain have revealed incidence rates of 57.6% amongst black South Africans (Van der Meulen, 1997) and between 70 and 80% amongst Indians and Coloureds (Docrat, 1999). The use of spinal manipulation with the emphasis on restoring joint mobility, has been proven to be one of the most effective and cost effective approaches in the management low back pain of a mechanical origin (Di Fabio, 1992). McMorland (2000), showed in a study of 199 patients, that spinal manipulation resulted in an average of 52.5% and 52.9% reduction in low back pain and disability respectively. Panjabi (1992:1) has postulated a theory of a 'neutral zone' around which the passive lumbar spine operates. He describes the neutral zone as a region of intervertebral motion around the neutral posture where little resistance is offered by the passive spinal column. It is, according to Panjabi (1992:1), possible for this neutral zone to increase with injury to the spinal column or with weakness of stabilising muscles, which could result in low back pain. The trunk muscles therefore have to be able to co-contract isometrically to control the neutral zone and protect the spinal tissue from excessive motion (Richardson et aI.1990). The transversus abdominis muscle and multifidus muscle have been identified as playing an important role in the complex synergistic interaction of the trunk (Norris, 1995). The above concept involving muscles attempting to maintain a neutral zone is commonly referred to as 'core stabilisation' (Norris, 1995). / M
264

The efficacy of the combination of chiropractic and an anthroposophical remedy in the treatment of symptomatic cervical spondylosis

Hopkins, Alison Louise Crofton January 1997 (has links)
Dissertation submitted in the partial compliance with the requirements for the Master's Degree in Technology: Chiropractic, Technikon Natal, 1997. / Symptomatic cervical spondylosis is a common condition in patients over the age of forty. This condition has been successfully treated by means of chiropractic adjusting. However, to date little research has been conducted to investigate whether the combination of chiropractic adjusting and an alternative therapy may be more effective than just chiropractic treatment alone. The purpose of this study was to investigate whether the combination of chiropractic adjusting and an Anthroposophical remedy, Disci comp.cum Stanno, would be more effective in the treatment of symptomatic cervical spondylosis than chiropractic adjustments alone. It was hypothesized that cervical spine manipulation, and the combination of chiropractic adjusting and the Disci remedy would both be effective in the treatment of symptomatic cervical spondylosis. Moreover, with reference to objective and subjective clinical findings, it was assumed that the combined chiropractic adjustments and the Disci remedy would be more effective than chiropractic adjusting alone. The study was a controlled, double-blind clinical trial consisting of thirty patients, fifteen comprising the control group and fifteen the experimental group. The age range of the sample group was from forty to seventy-nine years. The patients were randomly divided into the two groups. The control group was treated with chiropractic adjustments to the / M
265

The effectiveness of spinal manipulative therapy and trans-cutaneous electrical nerve stimulation versus spinal manipulative therapy and placebo trans-cutaneous electrical nerve stimulation in the treatment of mild to moderate chronic tension-type headache

Fonseca, Shane Warren January 2002 (has links)
A dissertation submitted in partial compliance with the requirements for the Master's Degree in Technology: Chiropractic, Durban Institute of Technology, 2002. / Headaches have been described as the most common medical complaint in society (Dalessia 1987:3), and Tension-type headaches constitute approximately 80% of these (Martin 1993:22). Although Episodic tension-type headache is more prevalent than Chronic tension-type headache and may have a greater societal impact, Chronic tension-type headache has by far a greater individual impact (Schwartz et aI, 1998) on the patient. The exact causes of Chronic tension-type headaches are not known and, as a result, treatment is commonly symptomatic in nature and aimed at reducing pain. To date, treatment commonly involves the use of drugs and with it comes the threat of drug-induced side-effects (Bendtsen et aI, 1996). The purpose of this study was to investigate two non-pharmacological treatments in the management of Chronic tension-type headaches, namely the relative effectiveness of Spinal Manipulative Therapy (SMT) in conjunction with Trans-cutaneous Electrical Nerve Stimulation (TENS), as compared with SMT and placebo TENS. ABSTRACT It was hypothesized that SMT in conjunction with TENS would provide a greater immediate and short-term benefit in comparison to SMT and placebo TENS in the treatment of mild / M
266

The therapeutic efficacy of spinal adjustive procedures in the management of asthma

Gobrin, Gilon January 1997 (has links)
A dissertation submitted in partial compliance with the requirements for a Master's Degree in Technology: Chiropractic, Technikon Natal,1997. / Asthma, one of the most frustrating medical conditions known to man, has been a thorn in the side of physicians world wide. A condition that seems to consist of all exceptions and no rules has resulted in endless debates regarding the correct treatment protocol for its management, which at present only seem to subdue the patient's symptomatology rather than eliminate them. The ever increasing number of asthmatic sufferers and the increasing number of deaths related to asthma are both reflections of the inadequacy of present treatment protocols and therefore demonstrate the need for their revision. It is thus the aim of this study to ascertain the therapeutic efficacy of spinal adjustive procedures a n the management of asthma. Patients were obtained for this study by consecutive sampling, whereby any patients presenting to the Chiropractic Clinic at Technikon Natal, as a response to the newspaper adverts and pamphlets placed ln the greater Durban area, were considered for the study. Of these patients, only those who conformed to the specified delimitations and diagnostic criteria were accepted. The study was divided into 3 distinct periods. The first, called the baseline study, required the entire sample of 30 patients to undergo subjective and objective tests, whilst receiving no chiropractic treatment, in order to establish the patients' astrunatic condition. The second period, called the initial treatment period, required the entire sample to undergo further subjective and objective testing while receiving chiropractic treatment, which comprised soft tissue therapy and adjustments of fixations in the CO-C2 and T2-T7 areas. / M
267

The short-term effect of sacroiliac manipulation on hip muscle strength in patients suffering from chronic sacroiliac syndrome

Terblanche, Melissa January 2004 (has links)
A dissertation submitted in partial compliance with the requirements for a Master's Degree in Technology: Chiropractic, Durban Institute of Technology, 2004. / Arthrogenic muscle inhibition (AMI) is the reflex inhibition of the muscles that surround an injured joint in consequence to disturbed afferent feedback originating from the receptors of that joint. The resultant altered afferent innervation of the motor neuron pool leads to a decrease in recruitment ability within the motor neuron pool, a decrease in contraction force of the muscles that fall within the motor neuron pool, and hence the clinical manifestation of AMI as a decrease in muscle strength. Spinal manipulation has been proposed to activate mechanoreceptors and proprioceptors within and around the manipulated joint. The altered afferent input arising from their stimulation is thought to cause changes in motor neuron excitability. In this respect, sacroiliac manipulation has been shown to effectively reduce muscle inhibition and increase muscle strength of the quadriceps muscle group in patients with anterior knee pain. The focus of AMI has been aimed primarily at the quadriceps muscle group whereas little information is available on the functional properties of the muscles moving the hip joint. Thus, the purpose of the present cohort study was to determine the short - term effect of sacroiliac manipulation on ipsilateral hip muscle strength and subjective low back pain intensity in thirty male subjects presenting with low back pain, attributable to chronic sacroiliac syndrome. The first objective of the study was to evaluate the short - term effect of sacroiliac manipulation on the strength of the musculature of the ipsilateral hip joint for the actions of flexion, extension, adduction and abduction by means of the Cybex Orthotren II Isokinetic Rehabilitation System, with respect to objective clinical findings. / M
268

The immediate and short term effect of spinal manipulative therapy on the club head velocity of amateur golfers suffering from mechanical low back pain

Delgado, Robert Jose January 2006 (has links)
Dissertation submitted in partial compliance with the requirements for the Master's Degree in Technology: Chiropractic at the Durban Institute of Technology, Durban, 2006. / The purpose of this study was to evaluate the immediate and short term effects of spinal manipulative therapy on the club head velocity of amateur golfers suffering from mechanical low back pain. This purpose was identified as low back pain which has been noted as the most common musculoskeletal problem affecting amateur and professional golfers. In the right handed golfer the golf swing produces a distinctly asymmetric trunk motion, involving a combination of left axial rotation and right lateral bending. The significant lateral bending, shear, compression and torsional forces that the lower back contends with during the golf swing causes a peak compression load of more than eight times the body weight. In addition it is found that at the end of the follow through phase the golfer's lumbar spine is rotated and hyperextended. This is known as the reversed C position, in which the facet joints approximate and in addition torsional stress is placed on the annular fibers of the disc. With repetitive swings and incorrect form the lumbar facets bear the brunt of the abnormal forces on the lumbar spine. IV In addition to this, during the downswing phase of a golf swing the role of the multifidus is to limit flexion whilst the external oblique muscle induces rotation of the lumbar spine. Together both muscles produce rotation in the lower lumbar spine. Thus the golf swing, particularly during the downswing phase, places a tremendous burden on the multifidus muscle and may cause; o muscle injury which will contribute to the golfer's low back pain and I or o joint injury as a result of muscle fatigue. Furthermore the resultant uncontrolled contractions of the multifidus muscle produces torsion to the facet joints and disc. It is therefore likely that facet syndrome may be the main cause of low back pain in golfers, as modern golf publications urge golfers to use a maximum state of spinal rotation to generate a high club head velocity. / M
269

The relative effectiveness of spinal manipulation and ultrasound in mechanical neck pain

Moodley, Malany January 1998 (has links)
Dissertation submitted in partial compliance with the requirements for the Master's Degree in Technology: Chiropractic, Technikon Natal, Durban, 1998. / The aim of this study was to determine the effectiveness of adjustments versus the use of ultrasound in the treatment of mechanical neck pain. It was hypothesized that treatment with adjustments over a four week period, with a further four week follow-up period, would be more effective than ultrasound in terms of improving patients' cervical ranges of motion and their perceptions of pain and disability. Thirty consecutive patients suffering from mechanical neck pain were randomly assigned to either the adjustment or ultrasound groups. An experimental design was employed, whereby both groups received treatment twice a week for four weeks. After a follow-up period of a month, the patients were re-assessed. Measurements of the cervical spine ranges of motion with the CROM goniometer, algometer readings, and the completion of the Numerical Pain Rating Scale-101, CMCC Neck Disability Index and the Short Form McGill Pain questionnaires were performed before the first, fourth and final treatments as well as at the one month follow-up consultation. The data were then transferred to spreadsheets and underwent statistical analyses, using a 95 % confidence level. Analyses within each group were performed, using the Wilcoxon Signed Rank test and various readings were compared. The reading taken before the first treatment was compared to the reading taken before the final treatment. The initial reading was then again compared with the reading taken at the one month follow-up consultation. Comparison of the results of both treatment groups was statistically evaluated, using the Mann-Whitney U-Test. The comparison was made using the readings of the first, fourth and final treatments, as well as the one month follow-up consultation. This was done for all measurement parameters. / M
270

The effect of cervical spinal manipulation on elbow flexion torque

15 July 2015 (has links)
M.Tech. (Chiropractic) / The purpose of this study was to establish whether cervical spinal manipulation induces an appreciable and sustainable alteration in muscle torque performance regarding the elbow flexor muscles. Forty asymptomatic individuals participated in this study. Twenty individuals were randomly assigned to either an experimental or control group. Participants selected had to be between 18 and 40 years of age and had to present with cervical motion restrictions involving the fourth to sixth cervical vertebrae, as determined by motion palpation assessment. Participants were randomly recruited from the University of Johannesburg and surrounding areas, based on their response to information pamphlets and word of mouth. The experimental group received cervical spinal manipulation involving the lower cervical segments on three separate occasions. The control group received no intervention. Elbow flexion torque assessments were conducted using the Biodex System 3, isokinetic dynamometer. Two assessments were done prior to intervention and one test following one week of intervention, to ascertain whether cervical manipulation can provoke a sustainable improvement in elbow flexion performance. Cervical range of motion (CROM) assessment was used as a secondary objective evaluation to assess the effectiveness of the manipulation procedures, considering that improvement in cervical range of motion following spinal manipulation is well documented. Minimal improvement in elbow flexion torque involving both arms was observed in the experimental group following one weeks‟ intervention however, no statistical significance was reported. Gender relations regarding the elbow flexion torque performances revealed and improvement in strength in the male participants and a reduction in performance in the female participants. Statistical significance was reported although the significance regarding intervention remains unclear. No sustainable improvement in elbow flexion torque was revealed following spinal manipulative therapy and therefore does not provide conclusive evidence to substantiate the motor neuron excitability theory. The contradictory results with regards to the female participants bring into context an indefinite and unfamiliar neuromusculoskeletal paradigm which requires additional research to clarify these anomalous findings.

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