Bf estimate

The look back then was much less vascular namely due to poorer control of estrogen levels giving the illusion of higher BF
 
Yeah Arnold is probably about 8% Serge leaner even like 6% water cuts and E control not nearly as well utilized back then.
 
Don't know if diuretics actually were used back then, maybe cutting out liquid/water but that may have been about it.
 
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