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Due to new research results in the past few years, interest in the fascia of the human body has increased. Dysfunctions of the fascia are indicated by various symptoms, amongst others, musculoskeletal pain. As a result stronger focus has been put on researching therapeutic approaches in this area. The main aim of this study was to investigate the effect of Foam Roll exercises on the mobility of the thoracolumbar fascia (TLF). Study has been conducted in a randomized and controlled trial which sampled 38 healthy athletic active men and women.
The subjects were randomly assigned to a Foam Roll Group (FMG), a Placebo Group (PG) and a Control Group (CG). Depending on the assigned group the volunteers were either instructed to do exercises with the Foam Roll, received a pseudo treatment with the Foam Roll or received no treatment.
A total of three measurements were carried out. The most important field of research was the mobility of the TLF, which was determined using a sonographic assessment. In addition the lumbar flexion and the mechanosensivity of relevant muscles were determined.
After the intervention, the FMG showed an average increase of 1.7915 mm for the mobility of the TLF (p < 0.001/d = 0.756). In contrast, only an average improvement of 0.1681 mm (p = 0.397) was shown in the PG, while the CG showed a slight improvement of 0.0139 mm (p = 0.861). However, no significant changes were observed with regard to the lumbar flexion and mechanosensivity of the treated muscles.
Thus, evidence is that the use of Foam Roll exercises significantly improves the mobility of the thoracolumbar fascia in a healthy young population.
Die Verschwendung von Lebensmitteln im Haushalt wird durch eine komplexe Reihe von routinemäßigen Verhaltensweisen bestimmt, und eine Unterbrechung dieser Routinen könnte zu einer Verringerung dieser enormen Menge an Lebensmittelabfällen führen. In der vorliegenden Studie wird eine solche Unterbrechung der Haushaltsroutinen untersucht: die Essensbox.
Das Potenzial von Essensboxen zur Verringerung verschiedener Arten von Lebensmittelabfällen in Haushalten wird zum ersten Mal in verschiedenen Ländern untersucht. Nachdem wir einen Rahmen für den Vergleich der Auswirkungen verschiedener Mahlzeitentypen auf die Lebensmittelverschwendung geschaffen haben, untersuchen wir anschließend die Auswirkungen einer abonnementbasierten Lebensmittelversorgung (d. h. Mahlzeitendosen) auf die gesamte Lebensmittelverschwendung sowie auf die verschiedenen Arten der Lebensmittelverschwendung: Zubereitung, Kochen und Tellerabfälle. Unser Datensatz enthält 8747 Beobachtungen von Mahlzeiten aus 955 Haushalten in sechs Ländern. Die Ergebnisse eines Bayes'schen Mehrebenen-Hurdle-Lognormal-Modells mit zufälligem Intercept zeigen, dass Essensboxen im Vergleich zu traditionell gekochten Mahlzeiten insgesamt zu einer Verringerung der gesamten Essensabfälle führen (38 % weniger). Mahlzeitendosen verringern vor allem das Auftreten und die Menge der verschwendeten Pfannen- und Topfgerichte (d. h. Kochabfälle) sowie die Menge der Mahlzeitenzubereitungsabfälle, führen jedoch im Vergleich zu herkömmlichen Mahlzeiten zu einem höheren Aufkommen von Zubereitungs- und Tellerabfällen. Dies zeigt, wie sich die Unterschiede zwischen den einzelnen Mahlzeiten auf die Lebensmittelabfälle in den Haushalten auswirken, ein Aspekt, der bisher in der Forschung wenig Beachtung gefunden hat. Während sich die meisten früheren Untersuchungen auf die gesamte Lebensmittelverschwendung in Haushalten konzentrierten, zeigt unsere Studie, dass die Unterscheidung zwischen verschiedenen Arten von Lebensmittelabfällen in Haushalten wichtige neue Erkenntnisse liefern kann.
O presente estudo, de caráter teórico, objetivou analisar e discutir um possível código binário para o sistema de Enfermagem, no sentido de identificar o seu próprio saber, na perspectiva dos pressupostos teóricos de Niklas Luhmann. Apostar em uma comunicação funcionalmente diferenciada e socialmente relevante para o sistema de enfermagem implica em transcender o tradicional código saúde-doença, predominante no sistema de saúde e cuja comunicação socialmente relevante é a doença. Implica, ainda, em investir proativamente na promoção e proteção do viver saudável de indivíduos, famílias e comunidades, para que a saúde seja o ponto central das discussões e intervenções.
Purpose
In a knowledge-based society, one of the main driving forces of prosperity at city and regional levels is the ability to attract students and recently qualified graduates. The purpose of this paper is to identify the urban factors that contribute to “attractiveness” from a student perspective and to subsequently analyse the influence of these factors on students’ location choices. In the corresponding case study, the criteria identified were used to evaluate student satisfaction with the German city of Osnabrück.
Design/methodology/approach
A multi-level empirical research concept was used to analyse the relevant criteria. Focus group discussions served as the basis to design and conduct a survey of almost 2,300 students in the university city of Osnabrück at the end of 2016. A follow-up study in November 2017 at two universities in Berlin provided data for comparison.
Findings
Accessible – safe – clean and with affordable housing: these terms sum up the core expectations that students have of an attractive city. In contrast to the findings of Richard Florida regarding the creative class, cultural opportunities, exciting nightlife and a multicultural population were not important factors among the survey participants.
Research limitations/implications
As the study was conducted in two cities only, the findings cannot be generalised. It should be replicated in at least five other cities to validate and compare the research findings presented here. Furthermore, this study focused on the factors influencing the attractiveness of the city as a whole. However, the attractiveness of a specific neighbourhood may be of greater relevance to the decision-making process. As housing plays a major role, students’ particular needs with regard to accommodation should also be examined at greater depth.
Practical implications
Insights generated by the empirical study provide relevant information that may assist city stakeholders in taking effective measures regarding place management to attract and retain students.
Originality/value
To date, little research has been undertaken to empirically examine the specific factors that German students look for when deciding where to study and live. The goal of this paper is to present new empirical insights concerning the quality-of-life factors that influence students’ decision-making processes.
Objective
Gross mandibular position and masticatory muscle activity have been shown to influence cervical muscles electromyographic activity. The purpose of this study was to investigate the influence of three different mandible positions including conscious occlusion, tongue tip against the anterior hard palate (Palate tongue position) and natural resting position (Rest), on sagittal plane cervical spine range of motion (ROM) as well as the flexion-rotation test (FRT) in asymptomatic subjects.
Materials and methods
An experienced single blinded examiner evaluated ROM using an Iphone in 22 subjects (7 females; mean age of 29.91years, SD 5.44).
Results
Intra-rater reliability for range recorded was good for the FRT with ICC (intraclass correlation) 0.95 (95% CI: 0.88–0.98) and good for sagittal plane cervical ROM with ICC 0.90 (95% CI: 0.77–0.96). A repeated measures ANOVA determined that mean ROM recorded during the FRT differed significantly between assessment points (F(1.99, 41.83) = 19.88, P < 0.001). Bonferroni Post hoc tests revealed that both conscious Occlusion and Palate tongue position elicited a significant large reduction in ROM recorded during the FRT from baseline (p < 0.01). Despite this, one activation strategy did not influence ROM more than the other. An additional repeated measures ANOVA determined that mean sagittal cervical ROM did not significantly vary between assessment points (F(2, 42) = 8.18, P = 0.08).
Conclusion
This current study provided further evidence for the influence of the temporomandibular region on upper cervical ROM. Results suggest that clinicians should focus on the natural mandible rest position when evaluating upper cervical mobility.
Dr. Steffen Schrader - "Ich hätte heute nicht mehr den Mut, notfalls mein Elternhaus zu verwetten."
(2020)
In dieser Folge geht es hoch hinaus und zwar mit Dr. Steffen Schrader. Er ist nicht nur Dozent und Koordinator im Studiengang Aircraft and Flight Engineering sondern auch Fluglehrer und Testpilot und erzählt uns von seiner Leidenschaft, Flugzeuge durch die Luft trudeln zu lassen. Dabei reizt ihn nicht nur der Nervenkitzel sondern vor allem der wissenschaftliche Aspekt der Aerodynamik und Messdaten. Außerdem sprechen wir mit Steffen Schrader darüber, wie er mit 27 Jahren einen neuen Studiengang ins Leben gerufen hat, was ihn an Flugerprobungen so fasziniert, warum ihn seine nicht einfache Schulzeit noch mehr nach vorne gebracht hat und wie er mit Hilfe von Eye Tracking die Flugausbildung revolutioniert.
The energy transition involves various challenges. One key aspect is the decentralization of power generation, which requires new actors. In order to integrate these into the system in the best possible way, there are various approaches e.g. in cooperation in citizens' initiatives or cooperatives (Dorniok, 2016).
Cooperation in general can enable the implementation of certain business models or can increase profitability by the exploitation of economies of scale (Skovsgaard & Jacobsen, 2017; Theurl, 2010). Synergy effects result from the utilization of know-how, different technologies or resources of the partners involved to complement the own competencies and services (Eggers & Engelbrecht, 2005; Sander, 2009). Cooperation exists in various industries and enable the participating companies to compensate their size-related resource deficits (Glaister & Buckley, 1996; Todeva & Knoke, 2005). This creates the opportunity to develop innovations, open up new markets, exploit newly created economies of scale and share costs and risks (Franco & Haase, 2015). In agriculture, cooperation in the form of cooperatives have been of essential importance for a long time, especially with the aim of exploiting synergy effects (Bareille et al., 2017). In the field of renewable energy development, cooperation in form of citizen cooperatives make a significant contribution to the participation of citizens in political, social and financial aspects of the energy transition (Huybrechts & Mertens, 2014). Energy cooperatives are frequently discussed as a potential actor in the energy transition and are increasingly being established to advance the common interests of stakeholders. For example, the joint operation of decentralized power generation plants can involve new actors in the energy transition through regional cooperation (Walk, 2014).
Existing biogas plants in Germany need new business models after the 20-year Renewable Energy Sources Act feed-in tariff expires. For continued operation, a business model innovation is needed, which can be realized based on the different technical utilization pathways. Cooperation can have a significant impact on the profitability of the different business models, especially by exploiting synergy effects (Karlsson et al., 2019). In addition, cooperation can help to ensure that existing plants continue to operate at all.
Currently, the most widespread use of biogas in Germany is in the coupled generation of electricity and heat. Additionally, there is the possibility of upgrading biogas to biomethane or biogenic hydrogen path (Mertins & Wawer, 2022).
Different options for cooperative business models that exist in the biogas utilization pathways are presented. The focus is on explaining the advantages of a joint approach compared to single-farm business models and identifying the relevant actors. Subsequently, drivers and barriers for the different cooperative business models are identified and classified based on 20 semi-structured interviews with plant operators in the administrative district of Osnabrück. The aim is to identify drivers and barriers for cooperative post-EEG operation. As a result, political instruments are to be found that make it possible to involve relevant actors and thus stimulate the best possible continued operation from the point of view of the energy system. The results are structured according to the PESTEL analysis. This assigns drivers and barriers to the categories political, economic, sociocultural, technological, ecological and legal (Kaufmann, 2021). The analysis of the interviews is supplemented and validated by a literature review.
Drivers and barriers for cooperative business models are manifold and can vary mainly depending on the plant and the operator.
Drivers
• Political
o Promotion of renewable energies: reduce dependence on fossil (Russian) fuels
• Economic
o Expectation of synergies (information sharing, shared risk, economies of scale)
o Planning security (fixed supply or purchase contracts)
o Access to new markets (not accessible by single-farm business models)
o Cost savings by sharing infrastructure, technology
o Positive return expectation
• Sociocultural
o Motivating, innovative environment
o Lowers barriers to participation in new markets
o Target-oriented partnerships
o Better use of capacities and strengths
o Strengthening regional value creation
• Technological
o Economies of scale (efficiency)
o Available, mature technology
o Storable, transportable gas
o Well-developed infrastructure
• Ecological
o Increase in plant efficiency
o Reduction of greenhouse gas emissions
o Promotion of the circular economy by utilization of organic waste and agricultural residues
o Improving soil quality (fermentation residues as fertilizer)
Barriers
• Political
o Competition to other renewable energies
• Economic
o Uncertainty about future development of energy markets
o Disagreements between the cooperation partners
o Lack of flexibility due to longer-term contractual obligations
o Allocation of profits
• Sociocultural
o Cooperation with current competitor
o Cultural differences and lack of trust
o Acceptance by the general public (e.g. overproduction of maize)
• Technological
o Different technology that is difficult to combine
o Data protection
• Ecological
o Competition for agricultural land
o Use of monocultures
o Emissions from plant
o Pollution from transport
• Legal
o Legal requirements and regulations
o Unfavorable regulatory environment, e.g. long permitting process
One finding is that uncertainty is a major barrier for plant operators. This includes uncertainty about regulatory frameworks and political requirements, as well as about the general development of the energy markets. In addition, social factors such as lack of reliability and disagreement about revenue sharing are a potential barrier. A key driver for the implementation of cooperative business models is the expectation of synergy effects. In addition, operators are driven by a positive expectation of returns and the responsibility for securing the energy supply in times of crisis.
The drivers identified can now be used to develop strategies to advance cooperative business models. In particular, synergy effects should be exploited so that operators can benefit from cooperation. The advantages can also be highlighted and communicated to increase acceptance among the general public. Another important step is to reduce the barriers discussed above. In order to reduce social barriers in particular, it may be advisable to include an external partner in the cooperation, such as a municipal utility that operates an upgrading plant and concludes purchase agreements with the individual partners. In addition, it would be politically expedient to provide the operators with a clear framework for the future in order to reduce uncertainties. As a further aspect, knowledge transfer on new technologies and markets should take place.
Duale Studiengänge
(2007)