Leroy Colbert was a competitive bodybuilder of the 1950's. He was renowned for his incredible upper body development. This is his arm routine.
Source: Muscle Power (Issue Feb 1961)
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The Leg Extension is now a staple piece of equipment in every gym. It origin's date back to the late 1950's / early 1960's.
Source: Muscle Power (Issue Feb 1961)
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