The reference to age 18 for single rep max to body weight ratio is used because this ratio begins to decline in men after age 18.

“Ref to age 18 because that's when single rep max to body weight ratio (bench and leg press) starts declining in men as per ACSM reference range.”

“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.”

“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.”

“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.”

“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.”

“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.”

“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.”

“Age 18 is when single rep max to body weight ratio (bench and leg press) starts declining in men as per ACSM reference range that is attached”

“Reference to age 18 because that's when single rep max leg press weight ratio peaks.”