Bob Birdsong share how he improved his thighs and calves. His super thighs went from 24″ to 27″ and his diamond calves from 16.5″ to 18.5″ in less than a year.Source: Muscle Builder Power (Jan 1975) Page #12 - Muscle Builder Power (Jan 1975) Page #13 - Muscle Builder Power (Jan 1975) Page #14 - Muscle Builder Power (Jan 1975) Page #15 - Muscle Builder Power (Jan 1975)