Myopathies, NemalineTropomyosinCofilin 2Muscle WeaknessMuscular DiseasesMuscle, SkeletalMuscle ProteinsMuscle Fibers, Slow-TwitchRespiratory ParalysisActinsMuscle Fibers, SkeletalMyopathies, Structural, CongenitalRespiratory InsufficiencyChromosomes, Human, Pair 15PedigreeMutationTroponinMuscle ContractionDistal MyopathiesPhenotypeMutation, MissenseBiopsyCardiomyopathy, DilatedMitochondrial MyopathiesMyofibrilsTropomodulinNeuromuscular Diseases