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Träfflista för sökning "WFRF:(Grundström Helene) "

Search: WFRF:(Grundström Helene)

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  • da Silva, Julio Cézar Lima, et al. (author)
  • Effect of increasing workload on knee extensor and flexor muscular activity during cycling as measured with intramuscular electromyography.
  • 2018
  • In: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 13:8
  • Journal article (peer-reviewed)abstract
    • The purpose of this study was to describe the effect of increasing workload on individual thigh muscle activation during a 20 minute incremental cycling test. Intramuscular electromyographic signals were recorded from the knee extensors rectus femoris, vastus lateralis, vastus medialis and vastus intermedius and the knee flexors semimembranosus, semitendinosus, and the short and long heads of the biceps femoris during increasing workloads. Mean activation levels were compared over the whole pedaling cycle and the crank angles at which onset and offset of activation and peak activity occurred were identified for each muscle. These data were compared between three workloads. EMG activation level significantly increased (p<0.05) with increasing workload in the rectus femoris, vastus medialis, vastus lateralis, vastus intermedius, biceps femoris long head, semitendinosus and semimembranosus but not in the biceps femoris short head. A significant change in activation timing was found for the rectus femoris, vastus lateralis, vastus medialis and semitendinosus. Of the knee flexors only the short head of the biceps femoris had its peak activity during the upstroke phase at the two highest workloads indicating a unique contribution to knee flexion.
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3.
  • Tabar, Laszlo, et al. (author)
  • Early detection of breast cancer rectifies inequality of breast cancer outcomes
  • 2021
  • In: Journal of Medical Screening. - : Sage Publications. - 0969-1413 .- 1475-5793. ; 28:1, s. 34-38
  • Journal article (peer-reviewed)abstract
    • Objectives: To explain apparent differences among mammography screening services in Sweden using individual data on participation in screening and with breast cancer-specific survival as an outcome.Methods: We analysed breast cancer survival data from the Swedish Cancer Register on breast cancer cases from nine Swedish counties diagnosed in women eligible for screening. Data were available on 38,278 breast cancers diagnosed and 4312 breast cancer deaths. Survival to death from breast cancer was estimated using the Kaplan-Meier estimate, for all cases in each county, and separately for cases of women participating and not participating in their last invitation to screening. Formal statistical comparisons of survival were made using proportional hazards regression.Results: All counties showed a reduction in the hazard of breast cancer death with participation in screening, but the reductions for individual counties varied substantially, ranging from 51% (95% confidence interval 46-55%) to 81% (95% confidence interval 74-85%). Survival rates in nonparticipating women ranged from 53% (95% confidence interval 40-65%) to 74% (95% confidence interval 72-77%), while the corresponding survival in women participating in screening varied from 80% (95% confidence interval 77-84%) to 86% (95% confidence interval 83-88%), a considerably narrower range.Conclusions: Differences among counties in the effect of screening on breast cancer outcomes were mainly due to variation in survival in women not participating in screening. Screening conferred similarly high survival rates in all counties. This indicates that the performance of screening services was similar across counties and that detection and treatment of breast cancer in early-stage reduces inequalities in breast cancer outcome.
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Type of publication
journal article (3)
Type of content
peer-reviewed (2)
pop. science, debate, etc. (1)
Author/Editor
Christophers, Brett (1)
Grundström, Karin (1)
Abarkan, Abdellah (1)
Andersson, Roger (1)
Baeten, Guy (1)
Clark, Eric (1)
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Franzén, Mats (1)
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Glad, Wiktoria (1)
Haas, Tigran (1)
Hellström, Björn (1)
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Holgersen, Ståle (1)
Kärrholm, Mattias (1)
Lindholm, Gunilla (1)
Listerborn, Carina (1)
Mack, Jennifer (1)
Magnusson, Jesper (1)
Mattsson, Helena (1)
Metzger, Jonathan (1)
Molina, Irene (1)
Nylander, Ola (1)
Nylund, Katarina (1)
Olsson, Lina (1)
Rizzo, Agatino (1)
Rohracher, Harald (1)
Salonen, Tapio (1)
Schalk, Meike (1)
Schmidt, Staffan (1)
Stenberg, Erik (1)
Stenberg, Jenny (1)
Tesfahuney, Mekonnen (1)
Urban, Susanne (1)
Werner, Inga Britt (1)
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Öjehag-Pettersson, A ... (1)
Byerley, Andrew (1)
Karvonen, Andy (1)
Legby, Ann (1)
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Johansson, Britt-Mar ... (1)
Yigit Turan, Burcu (1)
Dyrssen, Catharina (1)
Thörn, Catharina (1)
Mukhtar-Landgren, Da ... (1)
Koch, Daniel (1)
Polanska, Dominika V (1)
Högström, Ebba (1)
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University
Karolinska Institutet (2)
Umeå University (1)
Uppsala University (1)
Luleå University of Technology (1)
The Swedish School of Sport and Health Sciences (1)
Language
English (2)
Swedish (1)
Research subject (UKÄ/SCB)
Medical and Health Sciences (2)
Social Sciences (1)

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