Muscle ContractionIsometric ContractionMuscle, SkeletalTorqueTarsus, AnimalMuscle FatigueMuscle StrengthMuscle Fibers, SkeletalMice, Inbred mdxMuscular Dystrophy, AnimalElectric StimulationElectromyographyMuscular Dystrophy, DuchenneQuadriceps MuscleDesminExcitation Contraction CouplingBiomechanical PhenomenaExerciseMuscle ProteinsStress, MechanicalPhysical ExertionHindlimbDystrophinIsotonic ContractionMice, Inbred ICRMyocardial ContractionTime FactorsUterine ContractionMuscle, SmoothRats, WistarRats, Sprague-DawleyMusclesMice, Inbred C57BLElbowMuscle RelaxationCalciumVasoconstrictionTendinopathyKneeSarcomeresVolitionMuscle, Smooth, VascularGuinea PigsMusculoskeletal Physiological PhenomenaRabbitsElbow JointRecruitment, NeurophysiologicalPotassium ChloridePhysical EnduranceVasoconstrictor AgentsMotor NeuronsMyosinsDose-Response Relationship, DrugLegCreatine KinaseTracheaMuscle Strength DynamometerAcetylcholineAchilles TendonMovementTendonsMuscular DiseasesThighHand StrengthNorepinephrinePhenylephrineRana temporariaAnkle JointMyographyPapillary MusclesMuscle TonusWeight LiftingAdaptation, PhysiologicalPhysical Conditioning, AnimalAorta, ThoracicDogsElasticityGastrointestinal MotilityMuscle SpindlesMyosin Light ChainsKnee JointCaffeineExercise Therapy15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidUrinary BladderMuscle Fibers, Fast-TwitchCatsAtropinePsoas MusclesNifedipineHeartAnalysis of VarianceAdenosine TriphosphateResistance TrainingEvoked Potentials, MotorHeart VentriclesPeristalsisCarbacholMyocardiumCreatine Kinase, MM Form