external_loads.xml

<?xml version="1.0" encoding="UTF-8" ?>
<OpenSimDocument Version="30000">
	<ExternalLoads name="dynhop">
		<objects>
			<ExternalForce name="Left_GRF">
				<!--Name of the body the force is applied to.-->
				<applied_to_body>LeftShank</applied_to_body>
				<!--Name of the body the force is expressed in (default is ground).-->
				<force_expressed_in_body>ground</force_expressed_in_body>
				<!--Name of the body the point is expressed in (default is ground).-->
				<point_expressed_in_body>ground</point_expressed_in_body>
				<!--Identifier (string) to locate the force to be applied in the data source.-->
				<force_identifier>ground_force_v</force_identifier>
				<!--Identifier (string) to locate the point to be applied in the data source.-->
				<point_identifier>ground_force_p</point_identifier>
				<!--Identifier (string) to locate the torque to be applied in the data source.-->
				<torque_identifier>ground_torque_</torque_identifier>
			</ExternalForce>
		</objects>
		<groups />
		<!--Storage file (.sto) containing (3) components of force and/or torque and point of application.Note: this file overrides the data source specified by the individual external forces if specified.-->
        <datafile>ground_reaction.mot</datafile>
		<!--Optional motion file (.mot) or storage file (.sto) containing the model kinematics used to transform a point expressed in ground to the body of force application.If the point is not expressed in ground, the point is not transformed-->
        <external_loads_model_kinematics_file>ik_solution.mot</external_loads_model_kinematics_file>
		<!--Optional low-pass cut-off frequency for filtering the model kinematics corresponding used to transform the point of application. A negative value results in no filtering. The default value is -1.0, so no filtering.-->
		<lowpass_cutoff_frequency_for_load_kinematics>-1</lowpass_cutoff_frequency_for_load_kinematics>
	</ExternalLoads>
</OpenSimDocument>