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Sökning: WFRF:(Ahlgren Christina)

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  • Ahlgren, Christina, et al. (författare)
  • Effects on physical performance and pain from three dynamic training programs for women with work-related trapezius myalgia
  • 2001
  • Ingår i: Journal of Rehabilitation Medicine. - Taylor & Francis. - 1650-1977. ; 33:4, s. 162-9
  • Tidskriftsartikel (refereegranskat)abstract
    • To compare training programs for women with trapezius myalgia regarding physical performance and pain, 102 women were randomized to strength, endurance, co-ordination and non-training groups. Before and after the intervention, static strength and dynamic muscular endurance in shoulder muscles were measured on a Cybex II dynamometer. Muscle activity in shoulder muscles was monitored via surface EMG. The signal amplitude ratio between the active and passive phase of repeated contractions indicated the ability to relax. Pain at present, pain in general and pain at worst were measured on visual analogue scales. After training, within group comparisons showed that the training groups rated less pain, and in the strength training group ratings of pain at worst differed from the non-training group. Using the non-training group as a reference, static strength increased in the strength and endurance training groups and muscular endurance in all training groups. The study indicates that regular exercises with strength, endurance or co-ordination training of neck/shoulder muscles might alleviate pain for women with work-related trapezius myalgia.
  • Ahlgren, Christina, et al. (författare)
  • Engagement in New Dietary Habits : Obese Women's Experiences from Participating in a 2-Year Diet Intervention
  • 2016
  • Ingår i: International Journal of Behavioral Medicine. - Springer. - 1070-5503. ; 23:1, s. 84-93
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Dietary weight loss interventions most often result in weight loss, but weight maintenance on a long-term basis is the main problem in obesity treatment. There is a need for an increased understanding of the behaviour patterns involved in adopting a new dietary behavior and to maintain the behaviour over time.PURPOSE: The purpose of this paper is to explore overweight and obese middle-aged women's experiences of the dietary change processes when participating in a 2-year-long diet intervention.METHODS: Qualitative semi-structured interviews with 12 overweight and obese women (54-71 years) were made after their participation in a diet intervention programme. The programme was designed as a RCT study comparing a diet according to the Nordic nutrition recommendations (NNR diet) and a Palaeolithic diet (PD). Interviews were analysed according to Grounded Theory principles.RESULTS: A core category "Engagement phases in the process of a diet intervention" concluded the analysis. Four categories included the informants' experiences during different stages of the process of dietary change: "Honeymoon phase", "Everyday life phase", "It's up to you phase" and "Crossroads phase". The early part of the intervention period was called "Honeymoon phase" and was characterised by positive experiences, including perceived weight loss and extensive support. The next phases, the "Everyday life phase" and "It's up to you phase", contained the largest obstacles to change. The home environment appeared as a crucial factor, which could be decisive for maintenance of the new dietary habits or relapse into old habits in the last phase called "Crossroads phase".CONCLUSION: We identified various phases of engagement in the process of a long-term dietary intervention among middle-aged women. A clear personal goal and support from family and friends seem to be of major importance for long-term maintenance of new dietary habits. Gender relations within the household must be considered as a possible obstacle for women engaging in diet intervention.
  • Ahlgren, Christina, et al. (författare)
  • Gender analysis of musculoskeletal disorders and emotional exhaustion : interactive effects from physical and psychosocial work exposures and engagement in domestic work
  • 2012
  • Ingår i: Ergonomics. - 0014-0139. ; 55:2, s. 212-228
  • Tidskriftsartikel (refereegranskat)abstract
    • The objective of this study was to assess the relationships between physical and psychosocial work exposures, engagement in domestic work and work-home imbalance in relation to symptoms of musculoskeletal disorders and emotional exhaustion in white- and blue-collar men and women. Three thousand employees from 21 companies were asked to answer a questionnaire on family structure, household and child care tasks, work exposure, work-home imbalance and symptoms of neck/shoulder disorders, low back disorders and emotional exhaustion. Women reported more musculoskeletal disorders and engagement in domestic work. Adverse at-work exposures were highest in blue-collar women. High engagement in domestic work was not separately associated with symptoms but paid work exposure factors were associated. High engagement in domestic work interacted with adverse work exposure and increased risk estimates for low back disorders and emotional exhaustion. Reported work-home imbalance was associated with neck/shoulder disorders in women and with emotional exhaustion in both women and men. Practitioner Summary. The current article adds to earlier research by showing that high engagement in domestic work is not separately associated with increased symptoms, but interacts with psychosocial work exposure variables to produce emotional exhaustion in both women and men and low back disorders in women.
  • Ahlgren, Christina, et al. (författare)
  • Struggle for time to teach. Teachers experiences of their work situation.
  • 2011
  • Ingår i: Work : A journal of Prevention, Assesment and rehabilitation. - 1051-9815. ; 40:Suppl 1, s. 111-118
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The objective of this study was to from a gender perspective, explore elementary school teacher' experiences of their work situation, and identify conditions that could be health risks. Participants: Eighteen female teachers who work in an elementary school in Northern Sweden. Method: Thematic interviews were conducted using an interview guide. The interviews were tape-recorded and transcribed verbatim. Qualitative content analysis was used to analyse the transcribed text and interpretations were made within gender theory. Results: Four categories emerged: "Squeezed between dream and reality", "Effort to keep up with demands", "We can make it together" and "The school needs men's qualities". The categories were linked together with the theme "A struggle for time to teach". The theme describes the conflict between the teachers' ambitions to teach and create a stimulating learning environment versus the increased need for behaviour control that took time from classroom work. Beside work at the school, the teachers carried a large burden of domestic work.Conclusions: Teachers' work includes both endless demands and great joy. Their work is structured within the schools gender system in which caring duties are subordinated despite a growing demand for behaviour control. Traditional gender roles affect their domestic work load.
  • Ahlgren, Christina, et al. (författare)
  • The meanings given to gender in studies on multimodal rehabilitation for patients with chronic musculoskeletal pain : a literature review
  • 2016
  • Ingår i: Disability and Rehabilitation. - 0963-8288. ; 38:23, s. 2255-2270
  • Forskningsöversikt (övrigt vetenskapligt)abstract
    • Purpose: The purpose of this study is to assess and describe the meanings given to "gender" in scientific publications that evaluate multidisciplinary, interdisciplinary or multimodal rehabilitation for patients with chronic musculoskeletal pain.Method: A systematic literature search for papers evaluating multimodal rehabilitation was conducted. The PubMed and EBSCO databases were searched from 1995 to 2015. Two or three researchers independently read each paper, performed a quality assessment and coded meanings of gender using qualitative content analysis.Results: Twenty-seven papers were included in the review. Gender was used very differently in the MMR studies investigated but primarily it referred to factual differences between men and women. Only one paper provided a definition of the concept of gender and how it had been used in that study. In the content analysis, the meaning of gender formed three categories: "Gender as a factual difference", "The man is the ideal" and "Gender as a result of social role expectations".Conclusions: The meaning of the concept of gender in multimodal rehabilitation is undefined and needs to be developed further. The way the concept is used should be defined in the design and evaluation of multimodal rehabilitation in future studies.Implications for rehabilitationHealthcare professionals should reflect on gender relations in encounters with patients, selection of patients into rehabilitation programs and design of programs. In rehabilitation for chronic pain the patients' social circumstances and cultural context should be given the same consideration as biological sex and pain symptoms.
  • Ahlgren, Eva Christina, et al. (författare)
  • Iron-induced oligomerization of human FXN81-210 and bacterial CyaY frataxin and the effect of iron chelators
  • 2017
  • Ingår i: PLoS ONE. - Public Library of Science. - 1932-6203. ; 12:12
  • Tidskriftsartikel (refereegranskat)abstract
    • Patients suffering from the progressive neurodegenerative disease Friedreich’s ataxia have reduced expression levels of the protein frataxin. Three major isoforms of human frataxin have been identified, FXN42-210, FXN56-210 and FXN81-210, of which FXN81-210 is considered to be the mature form. Both long forms, FXN42-210 and FXN56-210, have been shown to spontaneously form oligomeric particles stabilized by the extended N-terminal sequence. The short variant FXN81-210, on other hand, has only been observed in the monomeric state. However, a highly homologous E. coli frataxin CyaY, which also lacks an N-terminal extension, has been shown to oligomerize in the presence of iron. To explore the mechanisms of stabilization of short variant frataxin oligomers we compare here the effect of iron on the oligomerization of CyaY and FXN81-210. Using dynamic light scattering, small-angle X-ray scattering, electron microscopy (EM) and cross linking mass spectrometry (MS), we show that at aerobic conditions in the presence of iron both FXN81-210 and CyaY form oligomers. However, while CyaY oligomers are stable over time, FXN81-210 oligomers are unstable and dissociate into monomers after about 24 h. EM and MS studies suggest that within the oligomers FXN81-210 and CyaY monomers are packed in a head-to-tail fashion in ring-shaped structures with potential iron-binding sites located at the interface between monomers. The higher stability of CyaY oligomers can be explained by a higher number of acidic residues at the interface between monomers, which may result in a more stable iron binding. We also show that CyaY oligomers may be dissociated by ferric iron chelators deferiprone and DFO, as well as by the ferrous iron chelator BIPY. Surprisingly, deferiprone and DFO stimulate FXN81-210 oligomerization, while BIPY does not show any effect on oligomerization in this case. The results suggest that FXN81-210 oligomerization is primarily driven by ferric iron, while both ferric and ferrous iron participate in CyaY oligomer stabilization. Analysis of the amino acid sequences of bacterial and eukaryotic frataxins suggests that variations in the position of the acidic residues in helix 1, β-strand 1 and the loop between them may control the mode of frataxin oligomerization.
  • Ahlgren, Karin, et al. (författare)
  • De stora restaureringarna Från Uppsala domkyrka till Skokloster
  • 2004
  • Rapport (populärvet., debatt m.m.)abstract
    • De stora restaureringarna har varit årets tema. Genom att dokumentera och analysera teori och praktik i några av 1800- och 1900-talets största restaureringar - från genomgripande stilrestaureringar till ett mer återhållsamt och tekniskt skon­samt synsätt. Därmed får vi också ett bättre underlag även för dagens ställningsta­gande.Föremål för våra studier är Uppsala domkyrka, Gripsholms slott, Vreta kloster­kyrka, Gustav 11I:s paviljong i Haga, Kungapalatset i Vadstena och Skoklosters slott. Vi hoppas att denna utställning skall bidra till en kritisk hållning och en ökad kunskap om restaureringskonsten, som kvalificerad yrkesuppgift, tidsspegel för historiesyn och som gestaltningsideal.
  • Alanentalo, Tomas, et al. (författare)
  • High-resolution three-dimensional imaging of islet-infiltrate interactions based on optical projection tomography assessments of the intact adult mouse pancreas
  • 2008
  • Ingår i: Journal of Biomedical Optics. - Bellingham, WA : SPIE--the International Society for Optical Engineering. - 1083-3668. ; 13:5, s. 054070
  • Tidskriftsartikel (refereegranskat)abstract
    • A predicament when assessing the mechanisms underlying the pathogenesis of type-1 diabetes (T1D) has been to maintain simultaneous global and regional information on the loss of insulin-cell mass and the progression of insulitis. We present a procedure for high-resolution 3-D analyses of regions of interest (ROIs), defined on the basis of global assessments of the 3-D distribution, size, and shape of molecularly labeled structures within the full volume of the intact mouse pancreas. We apply a refined protocol for optical projection tomography (OPT)-aided whole pancreas imaging in combination with confocal laser scanning microscopy of site-directed pancreatic microbiopsies. As such, the methodology provides a useful tool for detailed cellular and molecular assessments of the autoimmune insulitis in T1D. It is anticipated that the same approach could be applied to other areas of research where 3-D molecular distributions of both global and regional character is required.
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