A recent 12-week trial suggests a single set to failure can produce pec growth on par with three sets. But before you ditch extra volume, the full literature reveals why more sets generally boost hypertrophy for most lifters. We explore sample size quirks, regional chest development, and meta-analytic trends that still favor moderate-to-high weekly volumes. Whether you’re time-crunched or chasing maximal gains, understanding how volume, individual response, and exercise choice...