CapZ Actin Capping ProteinMuscle ProteinsMusclesMuscle, SkeletalMuscle, SmoothMethylhistidinesPhenylalanineMuscle Fibers, SkeletalMuscle DevelopmentMicrofilament ProteinsMuscle, Smooth, VascularMuscle ContractionMuscular AtrophyLeucineAmino Acids, EssentialS100 Calcium Binding Protein beta SubunitAmino AcidsActinsMuscle Fibers, Fast-TwitchSarcomeresQuadriceps MuscleMuscle DenervationMyofibrilsMuscle Fibers, Slow-TwitchMuscle FatigueActin CytoskeletonMitochondria, Muscle