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There were no significant differences between groups for the remaining outcomes, although a small effect size favoring TRAD was observed for the middle region of the pectoralis major (g = -0.25).
Practitioners should note that while TRAD may have a slight advantage, it is not statistically significant for all outcomes.
StrongQualifiesmedium confidence
There were no significant differences between groups for the remaining outcomes, although a small effect size favoring TRAD was observed for the middle region of the pectoralis major (g = -0.25).
Why this rating
Based on study design from abstract.
Source
Effect of Set-Structure on Upper-Body Muscular Hypertrophy and Performance in Recreationally-Trained Male and Female
Timothy B. Davies et al. · The Journal of Strength and Conditioning Research · 2021
DOI 10.1519/jsc.00000000000039
other · n=21Cited 9×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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- Traditional-set structure (TRAD) resulted in significantly greater velocity loss magnitude (g = 1.50) compared to cluster-set structure (CLUS).Strong
- Traditional-set structure (TRAD) showed greater muscle thickness of the proximal pectoralis major (g = -0.34) compared to cluster-set structure (CLUS).Strong
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