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Surface electromyography (SEMG) is an important tool for work load assessment in ergonomics. Several different approaches using amplitude as well as frequency parameters give fruitful information depending on question at issue in the laboratory as well as in field studies. One basic factor determining the choice of analysis method is whether the SEMG is(More)
OBJECTIVES The acceptance and use of long-acting depot antipsychotics has been shown to be influenced by the attitudes of patients and clinicians. Depot treatment rates are low across countries and especially patients with first-episode psychosis are rarely treated with depot medication. The aim of this article was to review the literature on patients' and(More)
An electromyographical fatigue analysis was performed in the operating theatre on four surgeons during 14 urological operations in which 'direct endoscopy' (cf. Luttmann et al. 1996, Part I) was applied. Surface electromyograms (EMG) were derived from the m. trapezius on both sides of the body, the right m. deltoideus, and the left m. erector spinae. The(More)
A dynamic biomechanical human model is presented which allows the quantification of mechanical parameters such as torque, compressive and shear forces, and pressure at the lumbar intervertebral discs. The human model comprises a total of 19 body segments. Various trunk flexions can be analysed due to the provision of 5 joints at the level of the 5 lumbar(More)
BACKGROUND The to date evidence for a dose-response relationship between physical workload and the development of lumbar disc diseases is limited. We therefore investigated the possible etiologic relevance of cumulative occupational lumbar load to lumbar disc diseases in a multi-center case-control study. METHODS In four study regions in Germany(More)
BACKGROUND In a recent study, we showed that administration of low-dose creatine (Cr) (60 mg/kg daily) improved work capacity in patients with McArdle disease. OBJECTIVE To assess the efficacy of high-dose Cr therapy in McArdle disease. DESIGN Randomized, double-blind, placebo-controlled crossover study. PATIENTS Nineteen patients with McArdle(More)
In theory, program result checking has been established as a well-suited method to construct formally correct compiler frontends but it has never proved its practicality for real-life compilers. Such a proof is necessary to establish result checking as the method of choice to implement compilers correctly. We show that the lexical analysis of the GNU C(More)
Previous biomechanical analyses of typical load manipulation tasks were mainly limited to sagittal-plane activities or to static cases. This paper includes the biomechanical determination and assessment of lumbar load during asymmetrical bi-manual materials handling tasks which involve lateral turning of the body, trunk inclination, and sagittal flexion and(More)
Due to the deficits of schizophrenic patients regarding the understanding of vague meanings (D. Ketteler and S. Ketteler (2010)) we develop a special test battery called HOLF (high order linguistic function test), which should be able to detect subtle linguistic performance deficits in schizophrenic patients. HOLF was presented to 40 schizophrenic patients(More)
The relationship between patient and therapist in mental health care is one of the most important treatment factors. It is a reliable predictor of treatment outcome, regardless of diagnosis, setting or of the type of therapy used. On the other hand, influence and coercion occur in patient-physician relationships in psychiatry. We investigated the(More)