Muscle Strength DynamometerMuscle StrengthMuscle, SkeletalMuscle WeaknessIsometric ContractionMusclesHand StrengthRespiratory MusclesTorqueKneeMuscle ContractionQuadriceps MuscleRange of Motion, ArticularMuscle FatigueMuscle ProteinsResistance TrainingMuscle, SmoothMuscle Fibers, SkeletalBiomechanical PhenomenaKnee JointMuscle, Smooth, VascularAnkle JointPhysical EnduranceElbowMuscle DevelopmentElectromyographyExercise TherapyTensile StrengthMuscle Stretching ExercisesLegPhysical FitnessHipExercisePhysical Therapy ModalitiesShoulderWeight LiftingAbdominal MusclesGaitMuscle SpasticityMuscle Fibers, Fast-TwitchPostural BalanceExercise TestWalkingPinch StrengthNeck MusclesBreathing ExercisesGravitationAgingMuscle Fibers, Slow-TwitchMovementSarcopeniaInspiratory CapacityMuscle HypertoniaMuscle DenervationMaximal Voluntary VentilationErgometryMuscle, Striated