Pectoralis MusclesCockatoosRibsMelopsittacusFlight, AnimalMusclesMesteroloneMuscle DevelopmentChickensMuscle, SkeletalMitochondria, MuscleRib FracturesBiomechanical PhenomenaSurgical FlapsMyosinsMuscle ProteinsChick EmbryoPoland SyndromeMuscle, SmoothMuscle Fibers, SkeletalMuscle ContractionThoracic NervesMuscle, Smooth, Vascular