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Sökning: swepub > Örebro universitet > Kadi Fawzi > Féasson L.

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1.
  • Charifi, N., et al. (författare)
  • Enhancement of microvessel tortuosity in the vastus lateralis muscle of old men in response to endurance training
  • 2004
  • Ingår i: Journal of Physiology. - 0022-3751. ; 554:Pt 2, s. 559-569
  • Tidskriftsartikel (refereegranskat)abstract
    • Muscle microvascularization is usually quantified in transverse sections, in absolute terms (capillaries around fibres, CAF, or capillary-to-fibre ratio, C/F) or as CAF related to fibre area (CAF/area, CAFA). The capillary-to-fibre perimeter exchange ratio (CFPE) has been introduced in order to assess the role of the capillary-to-fibre interface in resistance to O(2) diffusion. The ratio between the length of capillaries in contact with fibres and fibre perimeter (LC/PF) has also been used as an index for capillary tortuosity. The possibility of change in capillary tortuosity with endurance training was not considered in previous studies. Consequently, this study investigated the effect of 14 weeks of endurance training on muscle microvascularization, including microvessel tortuosity, in 11 elderly men (8th decade). Microvessels were analysed using the CD31 antibody. Together with the significant increase in peak oxygen exchange and citrate synthase activity, there was a significant increase in C/F. While CFPE and CAFA remained unchanged, an important finding was the clear increase in LC/PF (56%; P < 0.001) for a same sarcomere length. We also found a strong correlation between oxidative enzyme activity and LC/PF both before and after training. These results indicate that endurance training induces significant remodelling in the microvessel network in elderly men and that an increase in the degree of microvessel tortuosity would be an important mechanism of adaptation to endurance training.
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2.
  • Feasson, L., et al. (författare)
  • Exercise therapy and myopathies
  • 2010
  • Ingår i: Revue neurologique (Paris). - 0035-3787. ; 166:3, s. 269-278
  • Forskningsöversikt (övrigt vetenskapligt)abstract
    • Since the first consensus papers published early in the 2000s, a growing number of recent publications has shown that adapted physical activity is not only safe in the context of myopathy but also potentially effective as a therapeutic tool. After a short recall of the different exercise modalities, the mechanical strain they induce and the expected muscular benefits, the present paper reviews the different studies related to exercise therapy in myopathic patients and provides a critical analysis of the topic. Myopathies are rare diseases with many different etiologies and a large number of training modalities which could be useful for the different muscular challenges have been proposed. We have chosen to focus on several specific training modalities and to discuss the results from the most recent papers. The purpose of this review is to, firstly, update physical training guidelines for patients with myopathy and, secondly, highlight some common pitfalls associated with this strategy. This is particularly important for medical and allied professionals involved in prescribing and managing exercise therapy protocols. (C) 2009 Elsevier Masson SAS. All rights reserved.
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  • Resultat 1-2 av 2
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tidskriftsartikel (1)
forskningsöversikt (1)
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refereegranskat (1)
övrigt vetenskapligt (1)
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Charifi, N. (1)
Costes, F. (1)
Geyssant, A. (1)
Denis, C. (1)
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Verney, J. (1)
Gautheron, V. (1)
Calmels, P. (1)
Millet, G. Y. (1)
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