Muscle Strength DynamometerMuscle StrengthMuscle, SkeletalMuscle WeaknessIsometric ContractionMusclesHand StrengthRespiratory MusclesTorqueQuality of LifeKneeMuscle ContractionQuadriceps MuscleRange of Motion, ArticularMuscle FatigueMuscle ProteinsResistance TrainingMuscle, SmoothMuscle Fibers, SkeletalBiomechanical PhenomenaKnee JointMuscle, Smooth, VascularAnkle JointPhysical EnduranceExercise TherapyMuscle DevelopmentElectromyographyElbowTensile StrengthMuscle Stretching ExercisesQuality ControlLegQuality of Health CarePhysical FitnessHipExercisePhysical Therapy ModalitiesShoulderGaitWeight LiftingAbdominal MusclesMuscle SpasticityExercise TestWalkingPostural BalanceMuscle Fibers, Fast-TwitchBreathing ExercisesAgingReproducibility of ResultsPinch StrengthNeck MusclesQuality Assurance, Health CareGravitationMovementMuscle Fibers, Slow-TwitchSarcopeniaTime FactorsInspiratory CapacityMuscle HypertoniaMuscle DenervationMaximal Voluntary VentilationErgometryNeuromuscular DiseasesMuscle, Striated