AnyFolder Reactions = 

{

  // Reaction forces and moments on the pelvis segment are required because there is no support force on both feet.

  AnyReacForce PelvisReactions = 

  {

    AnyKinLinear lin = 

    {

      AnyRefFrame& pelvis = ....BodyModel.Trunk.SegmentsLumbar.PelvisSeg;

    };

    AnyKinRotational rot = 

    {

      Type = RotAxesAngles;

      AnyRefFrame& pelvis = ....BodyModel.Trunk.SegmentsLumbar.PelvisSeg;

    };    

  };

};