Muscle fiber atrophy is shown to be induced in human m.vastus lateralis even during short duration spaceflight. A study carried out to evaluate the effects of long duration spaceflight on human skeletal muscle fiber characteristics is reported on. Muscle fiber size and capillary supply were measured in samples obtained from the m.vastus lateralis of astronauts before and after a long duration flight. Most of the astronauts performed more than 80 percent of the recommended exercise training loads in terms of volume and intensity. Very slight fiber changes were found in fiber size and muscle capillary supply indices. It is concluded that the main factor which maintained fiber characteristics in the astronauts was the exercise measures taken by them.


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    Titel :

    Fibre Size and Capillary Supply in Human M.vastus Lateralis after Long-Duration Spaceflight: Effects of Countermeasure Exercise Training



    Erscheinungsdatum :

    01.10.1996


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Fibre Size and Capillary Supply in Human M. Vastus Lateralis after Long-Duration Spaceflight: Effects Countermeasure Exercise Training

    Shenkman, B. S. / Stepantsov, V. I. / Cheglova, I. A. et al. | British Library Online Contents | 1996


    Exercise Countermeasure for Spaceflight

    V. A. Couvertino / H. Sandler | NTIS | 1995




    Autonomic Recovery after Long-Duration Spaceflight

    Couckuyt, K. / Verheyden, B. / Liu, J. et al. | British Library Conference Proceedings | 2008