ActininCreatine Kinase, BB FormMuscle, SkeletalMusclesMuscle Fibers, SkeletalMicrofilament ProteinsMuscle ProteinsMuscle ContractionMuscle DevelopmentMuscle, SmoothMuscle Fibers, Fast-TwitchMuscle, Smooth, VascularMitochondria, MuscleMuscle Fibers, Slow-TwitchMuscle DenervationSatellite Cells, Skeletal MuscleMuscle Fatigue