Why the study?
What are the differences in muscle fiber characteristics between male Olympic-style weightlifters and non-weight-trained men?
Population
13 men, including 6 male Olympic-style weightlifters and 7 non-weight-trained men
Comparison
Olympic-style weightlifting training vs Non-weight-trained controls
Design
Cross-sectional
Authors
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Weightlifters' type IIA predominance was associated with performance; cross-sectional data leave open causality and need prospective trials.
What are the differences in muscle fiber characteristics between male Olympic-style weightlifters and non-weight-trained men?
Successful Olympic-style weightlifting performance is associated with large percentages of type IIA muscle fibers and MHC IIa isoform content, rather than IIB fibers.
Fry et al. (2003) studied this question.
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