Exercise Dose Response in Muscle

Abstract Exercise increases peak VO 2 partially through muscle adaptations. However, understanding muscle adaptations related to exercise dose is incomplete. This study investigated exercise training dose on capillaries per fiber and capillaries per area; and citrate synthase from vastus lateralis a...

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Veröffentlicht in:	International journal of sports medicine 2012-03, Vol.33 (3), p.218-223
Hauptverfasser:	Duscha, B. D., Annex, B. H., Johnson, J. L., Huffman, K., Houmard, J., Kraus, W. E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Biological and medical sciences Circulatory system Citrate (si)-Synthase - metabolism Exercise (intensity) Exercise (programs) Exercise - physiology Exercise Test Female Fundamental and applied biological sciences. Psychology Humans Male Maximum oxygen consumption Middle Aged Muscle, Skeletal - metabolism Muscles Muscles (exercise effects) Oxygen Consumption - physiology Sports medicine Training & Testing Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Zusammenfassung:	Abstract Exercise increases peak VO 2 partially through muscle adaptations. However, understanding muscle adaptations related to exercise dose is incomplete. This study investigated exercise training dose on capillaries per fiber and capillaries per area; and citrate synthase from vastus lateralis and related both to changes in peak VO 2 . This randomized trial compared 3 exercise doses: low amount-moderate intensity (n=40) , low amount-high intensity (n=47), high amount-high intensity (n=41), and a control group (n=35). Both measures of capillary supply increased in all exercise groups (p
ISSN:	0172-4622 1439-3964
DOI:	10.1055/s-0031-1291323