MyofibrilsSarcomeresConnectinTroponin CTroponinRabbitsMuscle ProteinsMusclesAdenosine TriphosphatasesMuscle ContractionMyocardiumCalciumActininPsoas MusclesMyosinsDesminMuscle, SkeletalMyosin SubfragmentsMicroscopy, ElectronPostmortem ChangesActinsTropomyosinTropomodulinChickensPentanonesActomyosinTroponin IMuscle DevelopmentChick EmbryoCapZ Actin Capping ProteinHeartCa(2+) Mg(2+)-ATPaseTissuesMuscle Fibers, Skeletal