Browsing by Author "Louw, Quinette"

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    Development of a cost effective three-dimensional posture analysis tool: validity and reliability
    (BioMed Central, 2013) Brink, Yolandi; Louw, Quinette; Grimmer, Karen; Schreve, Kristiaan; van der Westhuizen, Gareth; Jordaan, Esme
    BACKGROUND: The lack of clear understanding of the association between sitting posture and adolescent musculoskeletal pain, might reflect invalid and/or unreliable posture measurement instruments. The psychometric properties of any new measurement instrument should be demonstrated prior to use for research or clinical purposes. This paper describes psychometric testing of a new three-dimensional (3D), portable, non-invasive posture analysis tool (3D-PAT), from sequential studies using a mannequin and high school students. METHODS: The first study compared the 3D-(X-, Y- and Z-) coordinates of reflective markers placed on a mannequin using the 3D-PAT, and the Vicon motion analysis system. This study also tested the reliability of taking repeated measures of the 3D-coordinates of the reflective markers. The second study determined the concurrent validity and test-retest reliability of the 3D-PAT measurements of nine sitting postural angles of high school students undertaking a standard computing task. In both studies, concordance correlation coefficients and Intraclass correlation coefficients described test-retest reliability, whilst Pearson product moment correlation coefficients and Bland-Altman plots demonstrated concurrent validity. RESULTS: The 3D-PAT provides reliable and valid 3D measurements of five of the nine postural angles i.e. head flexion, neck flexion, cranio-cervical angle, trunk flexion and head lateral bending in adolescents undertaking a standard task. CONCLUSIONS: The 3D-PAT is appropriate for research and clinical settings to measure five upper quadrant postural angles in three dimensions. As a measurement instrument it can provide further understanding of the relationship between sitting posture, changes to sitting posture and adolescent musculoskeletal pain.
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    Epidemiology and management of basketball related injuries in Rwanda
    (University of the Western Cape, 2005) Hakizimana, Moussa; Louw, Quinette
    Basketball continues to increase in popularity worldwide as a participation sport at all levels of play, from recreational to professional. Each year, more than 1.6 million basketball-related injuries are treated in hospitals, Doctor's offices and emergency rooms in North America. In Rwanda, basketball and volleyball are the second popular sports, following football. The aim of the study was to investigate the prevalence, mechanisms, nature and management of basketball related-injuries in Rwanda. The study design was retrospective survey over period of nine months. The study included all players of 12 teams. A structured self-administered questionnaire with closed-ended questions was used to gather information from basketball players. The questionnaire was adapted from the validated questionnaire used in a study on knee injury patterns among young basketball players in Cape Town. A response of 86.7% was obtained. The collected data were captured and analyzed by means of the Microsoft Excel package and SPSS. The associations between variables were evaluated by means of the chi-square test and 5% level of significance was used. The results were displayed using tables, bar chart, pie chart and graphs. All basketball players rep01ted to sustain one or more injuries. The injury rate was 3.6 injuries per player per season. The injmy prevalence was high during training (77%) compared to competition (23%). Ankle followed by fingers and knee were the most body parts involved. The most common mechanism of injury was landing badly. Self-treatment was a type of treatment mostly used by basketball players. The prevalence of basketball injury is high in Rwanda. The implementation of preventive strategies is of a paramount. A strong promotional campaign of physiotherapy services is needed, for adequate treatment and good rehabilitation of basketball players after injury.
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    Prevalence and impact of urinary incontinence on quality of life among adult Kigali women
    (University of the Western Cape, 2004) Gashugi, Phophina Muhimpundu; Louw, Quinette; Dept. of Physiotherapy; Faculty of Community and Health Sciences
    Urinary incontinence has already been identified worldwide for years as a health problem affecting essentially women, which can interfere with their overall quality of life. However in Rwanda, this problem has yet not been addressed adequately either because of lack of expertise, or because of cultural traditions associated with taboos among women. Social conditions of women facing this problem hinder them from seeking possibly adequate medical assistance. It is important that this problem be addressed because it may lead to disability, social seclusion, psychological stress and economic burdens. This study was a pioneer one, intended to diagnose the extent of the problem through determining the prevalence of urinary incontinence as well as its impact on the quality of life among women. The study will hopefully be followed by the promotion of physiotherapy to tackle the problem and therefore reduce the number of people suffering from urinary incontinence.