1,414 research outputs found
Clinicians' and patients' assessment of activity overuse and underuse and its relation to physical capacity
Full text linkTo explore clinicians' and patients' (self)-assessment of activity overuse and underuse, and its relationship with physical capacity in patients with chronic musculoskeletal pain (CMP). Study design was cross-sectional. Participants included patients with CMP, admitted to a multidisciplinary outpatient pain rehabilitation program. The main measures used were as follows: a five-point scale to rate overuse and underuse, filled out by clinicians and patients; a five-point scale to rate physical capacity, filled out by clinicians and patients; and lifting and aerobic capacity. Cohen's kappa were calculated to test the agreement between assessments. Depending on the normality, a t-test or a Mann-Whitney U-test was used to test differences between the results of a capacity test and patients' and clinicians' assessments of capacity. A total of 141 patients were included: 42% were men, and 60% had back pain, 21% had neck pain, 19% had pain in a different location. Six percent of the patients rated themselves as underusers; clinicians rated 23% of the patients as underusers. Clinicians and patients fairly agreed (61%; kappa = 0.23) in their assessments of overuse and underuse. Differences in the physical capacity of overuse and underusers, as assessed by clinicians and patients, were all nonsignificant (P > 0.05). The physical capacity of overusers did not differ from that of underusers (P < 0.05). In conclusion, although clinicians and patients with CMP fairly agree on their assessment of activity overuse and underuse, the physical capacity of overusers was not different from that of underusers
Modelanalyse: tandvervangkunst begint bij kaakwalvervangkunst
No full textDit artikel is een bewerkte versie van een hoofdstuk uit het boek De toekomst van het kunstgebit. Max Reneman’s onvoltooide, verschenen in 1981 onder eindredactie van prof. G.E. Flögel. Het gaat over het analyseren van de gipsmodellen op basis van wat je in de mond ziet. Reneman laat je kijken naar de ‘wang-lipspier’, de kaak wal len, verschillende kaaktypen, patronen van botresorptie en het functioneren van de lippen, de wangen en de tong in het natuurlijke gebit. En hij vertelt wat dat betekent voor de opstelling van de kunstelementen en de vormgeving van kunststofvervanging van de kaak wal len. Dat alles onder het motto: ‘Tandvervangkunst begint bij kaak walvervangkunst’
TIPE KEPRIBADIAN TOKOH UTAMA PADA NOVEL “INTROVER” KARYA M.F. HAZIM
Full text linkThe author tries to analyze the personality of the main characters using the study of literary psychology, whether the main character is more melancholic or pblegmatic. M.F. Hazim in his novel "Introver" tells the story of the world intover. Reading it, we are invited to explore in the mind and soul of an introver who is always nervous, restless, and upset; also the inner conflict that torments him, and how he finds "friends" to fill his loneliness and make his life more meaningful. The author wants to know more clearly what exactly the lives of introverts are in their daily lives. This research is directed to one main problem, namely "What is the personality type of the main character introver in the" Introver "novel by M.F. Hazim ". This research uses descriptive qualitative method with heuristic and hermeneutic reading techniques in order to understand and reveal "something" contained in literary works. The results of the research that have been carried out are in accordance with the research hypothesis, namely the main character Nawawi has an introvert personality type in the novel "Introver" by M.F. Hajim. Researchers found 42 quotes stating that Nawawi has an introverted personality type. Of the 42 quotes that have been found, 28 quotes state that Nawawi has a melancholic personality type and 14 quotes state that Nawawi has a phlegmatic personality type
Beyond Lesson Studies and Design Experiments: Using theoretical tools in practice and finding out how they work
Full text linkThis paper aims to illustrate how fruitful insights into the link between school teaching practice and student learning outcomes can be theoretically grounded by the variation theory from the field of phenomenography; and from this framework demonstrate how a 'pedagogy of awareness' can be implemented in the classroom. In this study, five teachers and 162 students at Primary Four level of school education in Hong Kong participated and the practice of the 'learning study' was adopted. By comparing the results of pre- and posttests, a significant gain was observed in the students learning outcomes.
Measuring industry-science links through inventor-author relations: A profiling method
Full text linkIn this pilot study we examine the performance of text-based profiling in recovering a set of validated inventor-author links. In a first step we match patents and publications solely based on their similarity in content. Next, we compare inventor and author names on the highest ranked matches for the occurrence of name matches. Finally, we compare these candidate matches with the names listed in a validated set of inventor-author names. Our text-based profile methodology performs significantly better than a random matching of patents and publications, suggesting that text-based profiling is a valuable complementary tool to the name searches used in previous studies.innovation; industry-science links; text-based profiling;
Introduction to a special issue on functional capacity evaluations: from expert based to evidence based. Editorial
No full textHelical mode interactions and spectral energy transfer in magnetohydrodynamic turbulence
No full textSpectral transfer processes in magnetohydrodynamic (MHD) turbulence are investigated by decomposition of the velocity and magnetic fields in Fourier space into helical modes. In 1992, Waleffe (Phys. Fluids A, 4:350 (1992)) used this decomposition to calculate triad interactions for isotropic hydrodynamic turbulence and determined whether a given triad contributed to forward or reverse energy transfer depending on the helicities of the interacting modes. The problem becomes more difficult in MHD due to the need to treat a coupled system of partial differential equations and the energy transfers between the magnetic and velocity fields. This requires the development of techniques that extend Waleffe's work, which are subsequently used to calculate the direction of energy transfer processes originating from triad interactions derived from the MHD equations. In order to illustrate the possible transfer processes that arise from helical mode interactions, we focus on simplified cases and putting special emphasis on interactions resulting in reverse spectral energy transfer. This approach also proves to be helpful in determining the nature of certain energy transfer processes, where transfer of energy between different fields and between the same field can be distinguished. Reverse transfer of magnetic energy was found if the helicities of two modes corresponding to the smaller wavenumbers are the same, while for reverse transfer of kinetic energy Waleffe's result is recovered. Reverse transfer of kinetic to magnetic energy is facilitated if the interacting magnetic field modes are of opposite helicity, and no reverse transfer of magnetic to kinetic energy was found. More generally, the direction of energy transfer not only depends on helicity but also on the ratio of magnetic to kinetic energy. For the magnetically dominated case reverse transfer occurs of all helicities are the same, the kinetically dominated case two modes need to have the same helicity while the third mode is of opposite helicity to allow reverse transfer
Reynolds number dependence of the dimensionless dissipation rate in stationary magnetohydrodynamic turbulence
No full textResults on the Reynolds number dependence of the dimensionless total dissipation rate C_ε are presented, obtained from medium to high resolution direct numerical simulations (DNSs) of mechanically forced stationary homogeneous magnetohydrodynamic (MHD) turbulence in the absence of a mean magnetic field, showing that C_ε -> const with increasing Reynolds number. Furthermore, a model equation for the Reynolds number dependence of the dimensionless dissipation rate is derived from the real-space energy balance equation by asymptotic expansion in terms of Reynolds number of the second- and third-order correlation functions of the Elsässer fields z± = u ± b. At large Reynolds numbers we find that a model of the form C_ε = C_ε,∞ + C/R describes the data well, while at lower Reynolds numbers the model needs to be extended to second order in 1/R in order to obtain a good fit to the data, where R is a generalised Reynolds number with respect to the Elsässer field z-
Life satisfaction questionnaire (Lisat-9): reliability and validity for patients with acquired brain injury
Full text linkThe aim of this study was to determine the reliability and discriminant validity of the Dutch version of the life satisfaction questionnaire (Lisat-9 DV) to assess patients with an acquired brain injury. The reliability study used a test-retest design, and the validity study used a cross-sectional design. The setting was the general rehabilitation centre. There were 159 patients over 18 years of age, with an acquired brain injury, in the chronic phase. The main outcome measures were weighted kappa of test and retest data on the nine questions of the Lisat-9 DV and significance levels of differences between subgroups of patients who are expected to differ in terms of Lisat-9 scores, on the basis of other instruments. The results were as follows: the reliability was moderate, with the weighted kappa ranging from 0.41 to 0.64. In terms of validity, subgroups of patients who were expected to differ in terms of the Lisat-9 domains did indeed differ significantly, except for the difference in the Lisat score for 'contact with friends and acquaintances' between subgroups defined by higher or lower scores on the corresponding domain of the Frenchay Activities Index. As there was a plausible explanation for not finding a significant difference between subgroups defined by one of the Frenchay Activities Index domains and significant differences were found between the subgroups defined by other instruments corresponding to the same domain, we conclude that the discriminant validity is good. The reliability was not clearly affected by cognitive disorder or aphasia. The conclusions were that the reliability of the Lisat-9 DV for patients with an acquired brain injury was moderate; the discriminant validity was good
Different Level, but a Similar Day Pattern of Physical Activity in Workers and Sick-Listed People With Chronic Nonspecific Musculoskeletal Pain
No full textReneman MF, de Vries RI, van den Hengel EJ, Brouwer S. van der Woude LH. Different level, but a similar day pattern of physical activity in workers and sick-listed people with chronic nonspecific musculoskeletal pain. Arch Phys Med Rehabil 2012;93:1864-7. Objective: To investigate whether physical activity (PA) levels and day patterns of sick-listed workers with chronic nonspecific musculoskeletal pain (CMP) admitted for multidisciplinary rehabilitation are different from those of workers with CMP. Design: Cross-sectional. Setting: Outpatient rehabilitation center and general community. Participants: A convenience sample of sick-listed patients with CMP (n = 27) referred for multidisciplinary pain rehabilitation, and a volunteer sample of workers with CMP (n = 107; Intervention: Participants wore an accelerometer for 5 to 7 consecutive days. Main Outcome Measure: PA, expressed as activity counts. All analyses were corrected for confounders. Results: PA levels of workers with CMP were higher than those of sick-listed patients (P = .01). After correction for confounders, work status explained 3.5% of the variance observed in activity counts (F-change = 5.27, P=.024). In the mornings, group status significantly contributed to the variance in mean activity counts (F-change = 5.32, P = .02). In afternoons (F-change =3.29, P = .07) and evenings (F-change = 2.41, P = .12), the effect of group status on PA level was nonsignificant. No Significant interaction was observed between time and group status (Wilks' lambda = .92, F-14,F-104 = .66, P = .80). Conclusions: Workers with CMP have a higher PA level compared with sick-listed patients. The PA day pattern did not differ significantly between the 2 groups
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