Activities that Primarily Utilizes Type I, Type IIa And Type IIx Muscle Fibers

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Type I muscle fibers are used in prolonged activities in human nature such as long distance training and running or in a marathon. Individuals who participate in marathons or the long distance running are well built and tend to have low body fat and muscles. Practicing for long hours for example in aerobics does enhance the performance of this activity. In type, IIa the activity utilizing this type of muscles is activities such as swimming. The typical body of a swimmer does have extra more muscles than those in the body of type 1 activity. In this activity, the aerobics activities would have better results. Sprinters and heavyweight lifters better utilize type IIx muscle fibers. The body muscles in this activity are well built and with strong muscles which are toned. High-intensity training for the sprinters or heavy weightlifters would enhance ...