Muscle Strength DynamometerMuscle StrengthMuscle, SkeletalMuscle WeaknessIsometric ContractionMusclesHand StrengthRespiratory MusclesTorqueKneeMuscle ContractionQuadriceps MuscleRange of Motion, ArticularMuscle FatigueMuscle ProteinsBiomechanical PhenomenaResistance TrainingMuscle, SmoothMuscle Fibers, SkeletalKnee JointPhysical EnduranceAnkle JointMuscle, Smooth, VascularElectromyographyExercise TherapyMuscle DevelopmentElbowTensile StrengthMuscle Stretching ExercisesLegPhysical FitnessExerciseHipGaitPostural BalancePhysical Therapy ModalitiesExercise TestReproducibility of ResultsAgingWalkingShoulderWeight LiftingAbdominal MusclesMovementMuscle SpasticityMuscle Fibers, Fast-TwitchTime FactorsPinch StrengthPsychomotor PerformanceBreathing ExercisesNeck MusclesGravitationMuscle Fibers, Slow-TwitchAnalysis of VarianceSarcopeniaErgometryInspiratory CapacityMaximal Voluntary VentilationMuscle HypertoniaMuscle DenervationTask Performance and AnalysisNeuromuscular DiseasesMuscle, Striated