@dhfrc27qpk @jack24dd30 Reference to age 18 is used because that's when single rep max to body weight ratio (bench and leg press) starts declining in men as per ACSM reference range that is attached.
@dhfrc27qpk @jack24dd30 Reference to age 18 is used because that's when single rep max to body weight ratio (bench and leg press) starts declining in men as per ACSM reference range that is attached.