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Die Lumbale Spinalkanalstenose (LSS) bezeichnet eine symptomatische Verengung des Spinalkanals aufgrund einer kongenitalen Erkrankung (primäre LSS) oder eines degenerativen Prozesses (sekundäre LSS). Laut Schätzungen unterziehen sich 40 % aller von LSS betroffenen Patienten innerhalb der ersten 10 Jahre einem chirurgischen Eingriff. Ziel dieses Reviews ist, die Effektivität einer Rehabilitation, einschließlich individualisierter Physiotherapie, mit der herkömmlichen Versorgung nach einer Operation der LSS zu vergleichen.
Die Datenbanken CENTRAL, MEDLINE, DIMDI, PEDro und PubMed wurden systematisch nach randomisierten kontrollierten Studien durchsucht, die bis November 2018 durchgeführt wurden. Vier Studien wurden in den Review eingeschlossen. Die Gesamtqualität der Evidenz erwies sich dabei als moderat. Die Interventionen erfolgten unmittelbar während des Krankenhausaufenthalts oder innerhalb von 6–12 Wochen postoperativ und beinhalteten statt individualisierter Physiotherapie lediglich unspezifische Gruppentherapie. Die Kontrollgruppen erhielten herkömmliche Versorgung oder Empfehlungen zum postoperativen Verhalten. Die Analyse ergab keine Unterschiede zwischen den Gruppen in Bezug auf funktionellen Status und Rückenschmerzen kurz- und langfristig. Lediglich bezüglich Beinschmerzen zeigte sich eine signifikante Differenz zugunsten der Interventionsgruppe (SMD –0,22, 95 % KI –0,43 bis –0,01).
Nicht individuelle Physiotherapie zeigt demnach im Vergleich zur herkömmlichen Versorgung keine kurzfristigen Effekte hinsichtlich Funktion und Schmerz, jedoch einen kleinen klinisch relevanten und signifikanten langfristigen Effekt im Hinblick auf Beinschmerzen. Die geringe Anzahl an eingeschlossenen Studien und die moderate Qualität der Evidenz unterstreichen die dringende Notwendigkeit qualitativ hochwertiger Studien, die die Wirkung einer individualisierten, patientenzentrierten und evidenzbasierten Physiotherapie untersuchen.
Objectives
To develop a time-efficient motor control (MC) test battery while maximising diagnostic accuracy of both a two-level and three-level classification system for patients with non-specific low back pain (LBP).
Design
Case–control study.
Setting
Four private physiotherapy practices in northern Germany.
Participants
Consecutive males and females presenting to a physiotherapy clinic with non-specific LBP (n=65) were compared with 66 healthy-matched controls.
Primary outcome measures
Accuracy (sensitivity, specificity, Youden index, positive/negative likelihood ratio, area under the curve (AUC)) of a clinically driven consensus-based test battery including the ideal number of test items as well as threshold values and most accurate items.
Results
For both the two and three-level categorisation system, the ideal number of test items was 10. With increasing number of failed tests, the probability of having LBP increases. The overall discrimination potential for the two-level categorisation system of the test is good (AUC=0.85) with an optimal cut-off of three failed tests. The overall discrimination potential of the three-level categorisation system is fair (volume under the surface=0.52). The optimal cut-off for the 10-item test battery for categorisation into none, mild/moderate and severe MC impairment is three and six failed tests, respectively.
Conclusion
A 10-item test battery is recommended for both the two-level (impairment or not) and three-level (none, mild, moderate/severe) categorisation of patients with non-specific LBP.
The primary objective of this study was to determine the structural and known-group validity as well as the inter-rater reliability of a test battery to evaluate the motor control of the craniofacial region. Seventy volunteers without TMD and 25 subjects with TMD (Axes I) per the DC/TMD were asked to execute a test battery consisting of eight tests. The tests were video-taped in the same sequence in a standardised manner. Two experienced physical therapists participated in this study as blinded assessors. We used exploratory factor analysis to identify the underlying component structure of the eight tests. Internal consistency (Cronbach's α), inter-rater reliability (intra-class correlation coefficient) and construct validity (ie, hypothesis testing-known-group validity) (receiver operating curves) were also explored for the test battery. The structural validity showed the presence of one factor underlying the construct of the test battery. The internal consistency was excellent (0.90) as well as the inter-rater reliability. All values of reliability were close to 0.9 or above indicating very high inter-rater reliability. The area under the curve (AUC) was 0.93 for rater 1 and 0.94 for rater two, respectively, indicating excellent discrimination between subjects with TMD and healthy controls. The results of the present study support the psychometric properties of test battery to measure motor control of the craniofacial region when evaluated through videotaping. This test battery could be used to differentiate between healthy subjects and subjects with musculoskeletal impairments in the cervical and oro-facial regions. In addition, this test battery could be used to assess the effectiveness of management strategies in the craniofacial region.
BACKGROUND: Muscle fatigue seems to be a risk factor in the development of performance-related musculoskeletal disorders (PRMDs) in musicians, but it is unclear how muscle activity characteristics change between musicians with and without PRMDs over a prolonged playing period.
PURPOSE: To investigate muscle activity patterns in muscles of the arms, shoulder, and back of high string musicians during prolonged performance.
METHODS: Fifteen professional or university high string musicians were divided into PRMD and non-PRMD groups. All musicians played a chromatic scale, then an individual “heavy” piece for 1 hr, and finally the chromatic scale again. Surface electromyography (sEMG) data were recorded from 16 muscles of the arm, shoulder, and trunk on both sides of the body. Two parameters were analyzed: the percentage load in relation to the respective maximum force during the chromatic scale, and the low-frequency spectrum to determine the fatigue behavior of muscles during the 1-hr play.
RESULTS: Changes in muscle activation patterns were observed at the beginning and end of the trial duration; however, these varied depending on whether musicians had PRMDs or no PRMDs. In addition, low-frequency spectrum changes were observed after 1 hr of playing in the PRMD musicians, consistent with signs of muscular fatigue.
CONCLUSION: Differences in muscle activity appear between high string musicians with and without PRMDs as well as altered frequency spectrum shifts, suggesting possible differential muscle fatigue effects between the groups. The applied sEMG analysis proved a suitable tool for detailed analysis of muscle activation characteristics over prolonged playing periods for musicians with and without PRMDs.
AIM: In this prospective longitudinal study, the physical and psychological health status of music students is assessed at the beginning of their university music study and tracked over time. Analysis strategies and interim results from the first-year cohort, including 1-year incidences, monthly prevalences, and predictors of developing musculoskeletal health complaints (MHC), are presented.
METHODS: This prospective longitudinal study is calculated to enlist a total sample of 370 participants, including musicians and non-musicians, over 5 years. Baseline measurements include a self-designed questionnaire, core strength endurance, hypermobility, finger-floor-distance, motor control, mechanosensitivity, health-related quality of life (SF36), and stress and coping inventory (SCI). The occurrence of MHC is based on monthly online questionnaires.
RESULTS: The first-year subcohort enrolled 33 music students and 30 non-music control students. The mean monthly completion rate for the questionnaire was 55.7±8.7%. At baseline, music students showed significantly more stress symptoms, reduced physical function¬ing, and increased bodily pain compared to control students. The 1-year incidence of MHC was 59% for music students and 44% for controls. Risk factors for MHC included being a music student, previous pain, reduced physical functioning, stress symptoms, reduced emotional functioning, and mechanosensitivity. Being a music student, physical functioning, sleep duration, positive thinking, and general mechanosensitivity had a predictive ability of 0.77 (ROC curve) for MHC.
CONCLUSION: A total of 63 students enrolled in the first cohort is in line with the precalculated sample size. This prospective study design enables the measurement of MHC incidence and provides insight into mechanisms in the development of MHC among music students, including the interaction of physical, psychological, and psychosocial factors.
Objective
To identify assessment tools used to evaluate patients with temporomandibular disorders (TMD) considered to be clinically most useful by a panel of international experts in TMD physical therapy (PT).
Methods
A Delphi survey method administered to a panel of international experts in TMD PT was conducted over three rounds from October 2017 to June 2018. The initial contact was made by email. Participation was voluntary. An e-survey, according to the Checklist for Reporting Results of Internet E-Surveys (CHERRIES), was posted using SurveyMonkey for each round. Percentages of responses were analysed for each question from each round of the Delphi survey administrations.
Results
Twenty-three experts (completion rate: 23/25) completed all three rounds of the survey for three clinical test categories: 1) questionnaires, 2) pain screening tools and 3) physical examination tests. The following was the consensus-based decision regarding the identification of the clinically most useful assessments. (1) Four of 9 questionnaires were identified: Jaw Functional Limitation (JFL-8), Mandibular Function Impairment Questionnaire (MFIQ), Tampa Scale for Kinesiophobia for Temporomandibular disorders (TSK/TMD) and the neck disability index (NDI). (2) Three of 8 identified pain screening tests: visual analog scale (VAS), numeric pain rating scale (NRS) and pain during mandibular movements. (3) Eight of 18 identified physical examination tests: physiological temporomandibular joint (TMJ) movements, trigger point (TrP) palpation of the masticatory muscles, TrP palpation away from the masticatory system, accessory movements, articular palpation, noise detection during movement, manual screening of the cervical spine and the Neck Flexor Muscle Endurance Test.
Conclusion
After three rounds in this Delphi survey, the results of the most used assessment tools by TMD PT experts were established. They proved to be founded on test construct, test psychometric properties (reliability/validity) and expert preference for test clusters. A concordance with the screening tools of the diagnostic criteria of TMD consortium was noted. Findings may be used to guide policymaking purposes and future diagnostic research.