Muscle ContractionIsometric ContractionTorqueMuscle, SkeletalTarsus, AnimalMuscle StrengthMuscle FatigueQuadriceps MuscleMice, Inbred mdxMuscular Dystrophy, AnimalMuscle Strength DynamometerMuscle Fibers, SkeletalMuscular Dystrophy, DuchenneElectromyographyBiomechanical PhenomenaElectric StimulationDesminIsotonic ContractionExerciseExcitation Contraction CouplingKneePhysical ExertionMuscle ProteinsErgometryStress, MechanicalDystrophinHindlimbKnee JointMice, Inbred ICRRange of Motion, ArticularTime FactorsUterine ContractionMyocardial ContractionThighWeight LiftingPhysical EnduranceKnee InjuriesAnkle JointResistance TrainingElbowRats, WistarRats, Sprague-DawleyTennisLegAnterior Cruciate LigamentMuscle, SmoothExercise TherapyMuscle WeaknessMice, Inbred C57BLTendonsMusculoskeletal Physiological PhenomenaMusclesShort-Wave TherapyShoulder Impingement SyndromeRunningAthletic InjuriesMovementHipTendinopathyMuscle Stretching ExercisesTrack and FieldRotationShoulderSprains and StrainsMuscular DiseasesExercise TestSoccerAnkleMuscle SpasticityPhysical Education and TrainingCentrifugation, IsopycnicAnalysis of VarianceCalciumGymnasticsShoulder JointVasoconstrictionAthletesGuinea PigsMartial ArtsTendon InjuriesGravitationPectoralis MusclesProprioceptionBasketballPainHemiplegiaRecovery of FunctionRotator CuffCreatine KinaseMuscle, Smooth, VascularMuscle RelaxationPhysical Therapy ModalitiesSportsLower ExtremityPhysical FitnessAccelerationPain MeasurementJoint InstabilityElbow JointPotassium Chloride