EyelidsPelvic FloorMusclesBlepharoptosisMuscle, SkeletalMuscle, SmoothMuscle ProteinsOculomotor MusclesMuscle Fibers, SkeletalPelvic Organ ProlapseMuscle ContractionMuscle, Smooth, VascularMuscle DevelopmentPerineumBlepharoplastyUterine ProlapseFacial MusclesAnal CanalCystoceleMuscle, StriatedIntercostal MusclesPalatal MusclesMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchAbdominal MusclesMuscle RelaxationMyocytes, Smooth MuscleMitochondria, MuscleValsalva ManeuverMuscular DiseasesNeck MusclesElectromyographyMuscle SpindlesRibsRespiratory Muscles