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Bob Birdsong’s Zappy Leg Routine

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)
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a look back at bodybuilding history

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