Ken Waller outlines what is required to build legs. A great article for thigh and hamstring development.Source: Muscle Builder Power (March 1975) Page #12 - Muscle Builder Power (Mar 1975) Page #13 - Joe Weider's Muscle (May 1980) Page #14 - Joe Weider's Muscle (May 1980) Page #15 - Joe Weider's Muscle (May 1980) Page #58 - Joe Weider's Muscle (May 1980) Page #59 - Joe Weider's Muscle (May 1980)