Papillary MusclesRuptureMusclesClubfootHeadHeart RuptureArthroscopesMyocardial ContractionMitral Valve InsufficiencySplenic RuptureChordae TendineaeAortic RuptureMuscle ProteinsHeart Rupture, Post-InfarctionMitral ValveSubtalar JointMuscle, SmoothMuscle, SkeletalMedial Collateral Ligament, KneeMuscle ContractionTalusMuscle Fibers, SkeletalVibrissaeMuscle, Smooth, VascularUterine RuptureCollateral LigamentsHead and Neck NeoplasmsGuinea PigsVentral Thalamic NucleiArthroplasty, SubchondralBaseballMuscle DevelopmentCasts, SurgicalBiomechanical PhenomenaTendon TransferHeartThalamic NucleiArthroscopyFerretsTime FactorsFetal Membranes, Premature RuptureMagnetic Resonance ImagingCerebral CortexHeart VentriclesCatsAction PotentialsMyocardiumSomatosensory CortexTendonsMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationIsometric ContractionMuscle Fibers, Slow-Twitch