The study includes healthy young habitually active subjects. All subjects are subjected to two weeks of immobilization of one leg followed by four weeks of training of both legs. The subjects are randomized to either one-leg training of the non-immobilized leg during the two-week immobilization period or to no training of the non-immobilized leg during the immobilization period. Measures include skeletal muscle morphology, markers of angiogenesis and apoptosis, muscle metabolic markers, vascular function, vascular proteins and performance.
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Angiogenesis
Timeframe: Change from baseline to after 2 weeks of immobilization
Vascular function
Timeframe: Change from baseline to after 2 weeks of immobilization
Angiogenesis
Timeframe: Change from after immobilization to after 4 weeks of training
Vascular function
Timeframe: Change from after immobilization to after 4 weeks of training