ActininAthletic PerformanceTrack and FieldSkatingGlomerulosclerosis, Focal SegmentalAthletesMuscle StrengthPhysical EnduranceMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMicrofilament ProteinsPodocytesPolymorphism, GeneticMuscle, SkeletalGenotypeCodon, TerminatorPresenilin-2BicyclingPeptidyl-Dipeptidase APhysical FitnessMutation, MissenseAllelesMuscle Fibers, SkeletalMuscle ContractionGene FrequencyCytoskeletonAmino Acid MotifsPhenotypeActinsGene ExpressionMutationCell Line, TumorMolecular Sequence DataCell AdhesionCell MovementRNA, MessengerCell LineBase Sequence