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Has files: YesSubject: search.filters.subject.Patellofemoral joint

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    The association between myofascial trigger points of the quadriceps femoris muscle and the clinical presentation of patellofemoral pain syndrome using a piloted patellofemoral pain severity scale
    (2003) Dippenaar, Donna Lisa; Korporaal, Charmaine Maria; Jones, Andrew D.
    The purpose of this study was to investigate the role of Myofascial Trigger Points of the quadriceps femoris muscle in the clinical presentation of Patellofemoral Pain syndrome. Patellofemoral Pain Syndrome according to current literature suggests an extensor mechanism dysfunction as the most probable etiology, however this syndrome has posed many unsolved mysteries and challenges to the medical community and remains a difficult condition to treat. Myofascial pain syndrome in contrast to this is a regional muscular disorder that results from myofascial trigger points within the muscle. The presence of these trigger points could result in anterior knee pain, imbalance of the extensor mechanism and instability of the patellofemoral joint, which could present as a Patellofemoral Pain Syndrome.
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    The presence and extent of quadriceps femoris weakness in individuals with patellofemoral pain syndrome
    (2003) Clifton, Stuart Ronald; Kruger, Brian; Wright, Jimmy
    The purpose of the investigation was to evaluate the presence and extent of Quadriceps Femoris weakness in subjects with patellofemoral pain syndrome by the use of an isokinetic dynamometer.
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    The relationship between myofascial trigger points, total work and other recorded measurements of the vastus lateralis and vastus medialis, in long-distance runners with patellofermoral pain syndrome
    (2005) Daly, Gail; De Busser, Nikki Lauren; Korporaal, Charmaine Maria
    To document the relationship between total work and myofascial trigger points in the vastus lateralis and vastus medialis portion of the quadriceps femoris muscle, whilst providing baseline graphs of these muscles with the use of a Cybex 700 Isokinetic Dynanometer in long distance runners both with and without patellofemoral pain syndrome. Methods: A quantitative, non-intervention clinical exploratory study. Fifty participants were divided into two groups, Group A (40 symptomatics) and Group B (10 asymptomatics). Both groups were screened for vastus lateralis and vastus medialis trigger points. Subjective data was obtained from Group A only, using the Numerical Pain Rating Scale and the Patient Specific Functional Scale. Objective data was obtained from both groups using the algometer, Myofascial Diagnostic Scale, and the Cybex 700 Isokinetic Dynanometer. For descriptive analysis frequency tabulations, box and whisker plots were used to display distributions graphically. Comparisons of categorical and quantitative variables between independent groups were run using chi square and Mann-Whitney testing consecutively. Finally Spearman’s correlation, multivariate generalized linear modelling and repeated measures ANOVA were also used. All statistical analysis was completed at the 95% (p<0.05) level of confidence.
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    An investigation into the association between the severity of patellofemoral pain syndrome and patella mobility
    (2005) Scott, Justin James; Van der Meulen, Anthony G.
    Patellofemoral Pain Syndrome (PFPS) is a common knee problem that affects 25% of the general population. PFPS generally affects adolescents, especially females, young adults and sports men and women. PFPS is defined as anterior knee pain arising from dysfunction of the patellofemoral articulation including its connective and contractile tissues. Literature suggests an extensor mechanism dysfunction as the most probable etiology. The majority of literature suggests that PFPS is associated with restricted patella motion, especially medial glide, resulting from a tight lateral retinaculum and/or tight iliotibial band. The beneficial effect of patella mobilization in the management of PFPS, suggested by the results of a number of studies, further suggests that restricted patella motion may be an integral feature of PFPS, as a causative and/or perpetuating factor. The purpose of this study was to assess the associations between the severity of PFPS (in terms of the objective and subjective clinical measures) and patella mobility (direction of mobility loss and degree of motion loss).
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    An investigation into the effectiveness of dry needling of myofascial trigger points on total work and other recorded measurements of the vastus lateralis and vastus medialis muscles in patellofermoral pain syndrome in long distance runners
    (2005) Weyer-Henderson, Donna; De Busser, Nikki Lauren; Korporaal, Charmaine Maria
    According to Wood (1998), patellofemoral pain syndrome (PFPS) refers to a syndrome that comprises of the following signs and symptoms: anterior knee pain, inflammation, imbalance, instability, or any combination thereof. Prevailing literature suggests that the presence of myofascial trigger points (MFTP’s) in quadriceps femoris (QF) muscle could result in a combination of the following signs and symptoms: - Retro- or peripatella pain, - Weakness of the quadriceps muscle (Chaitow and DeLany, 2002) - Loss of full lengthening (Travell and Simons, 1983:248-250) The aetiology of PFPS is poorly understood (Kannus et al. 1999). The current trend in literature suggests an extensor mechanism dysfunction as the most probable aetiology (Galantly et al., 1994; Juhn, 1999). There appears to be a clinical overlap between the two syndromes, in terms of an extensor mechanism dysfunction and of signs and symptoms. The aim of this investigation was to evaluate the role of active myofascial trigger points in the vastus lateralis (VL) muscle as perpetuating, causative or concomitant factors in the alteration of VL/VM Total Work (TW) in PFPS in distance runners.