Normal levels of creatinine in the blood are approximately 0.6 to 1.2 milligrams (mg) per deciliter (dL) in adult males and 0.5 to 1.1 milligrams per deciliter in adult females. Muscular young or middle-aged adults may have more creatinine in their blood than the norm for the general population.
Types of muscle fibers. Skeletal muscle, the type that is responsible for moving our muscles when we run, is comprised of three different muscle fiber types, each with its own advantages, disadvantages, and specialty.
It was therefore the aim of this study to further in-. vestigate the relationship between muscle fiber charac-. teristics and EMG signal parameters in whole muscle. through the use of an in vitro model which confound-. ing experimental and physiological factors present dur-.