Is there really such thing as type III muscle fiber?
A Type III muscle fiber is just a cool name for a hybrid type II muscle fiber that takes on traits of a type I fiber. It’s nothing new. It’s just something a lot of people haven’t heard about. Early adaptors of this theory included Dr. Len Schwartz who in 1995 coined the phrase “Long Strength”. Dr. Schwartz describes Long strength as “the ability to exert significant strength for an extended period of time.” John Parrillo-the second proponent of long strength-began having his bodybuilders doing really high intensity cardio. He claimed that doing this actually altered the muscle composition. He called this form a resistance training the “100 rep extended set,” saying that it helped the body to construct more mitochondria-the muscles’ “cellular blast furnaces.” He also says that this increases muscular growth by developing the circulatory pathways that provide nourishment to the muscles. Ori Hofmekler is the third early adopter of the long strength concept. Ori developed a weight trainin
