AddMuscle AddPropMuscle angularLimits angularPinning behaviours blendTime ContainsJoint controlsAnimator DisableImmediately DisableMuscleRecursive DisconnectMuscleRecursive EnableMuscleRecursive FixMusclePositions FixMusclePositionsAndRotations FixTargetToSampledState fixTargetTransforms FlagInternalCollisionsForUpdate FlattenHierarchy Freeze Freeze GetMuscle GetMuscle GetMuscle GetMuscleIndex GetMuscleIndex GetMuscleIndex GetMuscleIndex HierarchyIsFlat humanoidConfig initiated internalCollisions isActive isAlive isBlending IsDisconnecting isFrozen isKilling IsReconnecting isSwitchingMode isSwitchingState IsValid Kill Kill manualAngularLimitControl manualInternalCollisionControl mapDisconnectedMuscles mappingWeight mode Mode muscleDamper muscles muscleSpring muscleWeight OnFixTransforms OnHierarchyChanged OnMuscleDisconnected OnMuscleReconnected OnMuscleRemoved OnPostInitiate OnPostLateUpdate OnPostSimulate OnPreSimulate OnRead OnWrite pinDistanceFalloff pinPow pinWeight propMuscles Rebuild ReconnectMuscleRecursive RemoveMuscleRecursive RemoveRagdollComponents ReplaceMuscle Resurrect SampleTargetMappedState SetAngularLimitsManual SetInternalCollisionsManual SetMuscles SetMuscleWeights SetMuscleWeights SetMuscleWeights SetMuscleWeights SetMuscleWeightsRecursive SetMuscleWeightsRecursive SetMuscleWeightsRecursive SetUp SetUp SetUpTo solverIterationCount solvers state stateSettings StoreTargetMappedState storeTargetMappedState supportTranslationAnimation SwitchToActiveMode SwitchToDisabledMode SwitchToKinematicMode targetAnimation targetAnimator targetRoot Teleport TreeHierarchy updateJointAnchors UpdateMode updateMode visualizeTargetPose

int GetMuscleIndex ( Rigidbody  rigidbody) Returns the index of the muscle that has the specified Rigidbody. Returns -1 if not found.