Also, since the fascicle length increases were smaller (33% distal and 19% central region) than the corresponding increases in serial sarcomere number (49% distal and 25% central region), it must be assumed that the average sarcomere length was decreased after the 9-week intervention period, but sarcomere shortening did not reach statistical significance.
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Massive sarcomerogenesis in human skeletal muscle following long-term eccentric exercise intervention.
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