Enzyme activity and fiber composition in skeletal muscle of untrained and trained men.

Adenosine Triphosphatases/analysis Adolescent Adult Dihydrolipoamide Dehydrogenase/analysis Glycerolphosphate Dehydrogenase/analysis Glycogen/analysis Histocytochemistry Humans Leg Middle Aged Muscles/analysis,cytology,enzymology,metabolism Myofibrils Myosins NADP/analysis Oxygen Consumption Phosphofructokinase-1/analysis Physical Education and Training Physical Fitness RNA/analysis Succinate Dehydrogenase/analysis

NADP RNA Glycogen Glycerolphosphate Dehydrogenase Succinate Dehydrogenase Dihydrolipoamide Dehydrogenase Phosphofructokinase-1 Adenosine Triphosphatases Myosins