C CipherLock New member May 6, 2003 #22 I change it when the strength gains stop or an injury makes me. Otherwise I go with what is working, and that never seems to be the Flex magazine work outs
I change it when the strength gains stop or an injury makes me. Otherwise I go with what is working, and that never seems to be the Flex magazine work outs
southern biker New member May 13, 2003 #24 I will change up my routine at least every 8-12 weeks, sometimes more often.