--- a
+++ b/MATLAB/TEST_plugin.m
@@ -0,0 +1,102 @@
+%-------------------------------------------------------------------------%
+% Copyright (c) 2019 Modenese L.                                          %
+%    Author:   Luca Modenese                                              %
+%    email:    l.modenese@imperial.ac.uk                                  % 
+% ----------------------------------------------------------------------- %
+
+%% TEST1: use model built on purpose to test 
+
+% Load Library
+import org.opensim.modeling.*;
+
+% verification
+osimModel_name = '../tests/MFD_tests/testModel.osim'; 
+IK_mot_file = '../tests/MFD_tests/testKinematics_file.mot';
+MFD_sto_file = './test_results/test1.sto';
+bodyOfInterest_name = 'MovingBody';
+bodyExpressResultsIn_name = 'ground';
+effec_att = 'false';
+test_input = [];
+vis_on = 'false';
+
+validated_results_folder = '../_test_data/MFD_tests/validated_res';
+
+res_anatAttach_local = getMuscleForceDirection(osimModel_name,...
+    IK_mot_file,...
+    MFD_sto_file,...
+    bodyOfInterest_name,...
+    bodyExpressResultsIn_name,...
+    effec_att,...
+    vis_on,...
+    []);
+
+% res_effectAttach_local = getMuscleForceDirection(osimModel_name,...
+%     IK_mot_file,...
+%     bodyOfInterest_name,...
+%     bodyExpressResultsIn_name,...
+%     'true',...
+%     vis_on,...
+%     []);
+% 
+% res_effectAttach_ground = getMuscleForceDirection(osimModel_name,...
+%     IK_mot_file,...
+%     bodyOfInterest_name,...
+%     'ground',...
+%     'true',...
+%     vis_on,...
+%     []);
+% 
+% res_anatAttach_ground = getMuscleForceDirection(osimModel_name,...
+%     IK_mot_file,...
+%     bodyOfInterest_name,...
+%     'ground',...
+%     'false',...
+%     vis_on,...
+%     []);
+
+
+% res_anatAttach_local
+% res_anatAttach_ground
+% res_effectAttach_ground
+% res_effectAttach_local
+% 
+% res_anatAttach_local_val = sto2Mat(fullfile(validated_results_folder,'LOCAL_ANATOM_MuscleForceDirection_vectors.sto'));
+% 
+% res_anatAttach_ground.rowheaders
+% res_effectAttach_ground
+% res_effectAttach_local
+%--------------------------------------------------------------------------
+%% TEST3: simple arm26 model
+osimModel_name = '../test_data/Arm26/arm26.osim';
+IK_mot_file = '../test_data/Arm26/elbow_flexion.mot';
+bodyOfInterest_name = 'r_humerus';
+bodyExpressResultsIn_name = 'ground';
+effective_attachm = 'false';
+test_input = [];
+% 
+% 
+% N_frame_test = 5;
+muscleLinesOfActionStruct = getMuscleForceDirection(osimModel_name,...
+                                                                IK_mot_file,...
+                                                                bodyOfInterest_name,...
+                                                                bodyExpressResultsIn_name,...
+                                                                effective_attachm,...
+                                                                'true',...
+                                                                []);
+                                    
+%% TEST3: gait2392 model                                       
+                                                            
+osimModel_name              = '../tests/gait2392/subject01.osim';
+IK_mot_file                 = '../tests/gait2392/subject01_walk1_ik.mot';
+bodyOfInterest_name         = 'femur_r';
+bodyExpressResultsIn_name   = [];
+effective_attachm           = 'true';
+test_input = [];
+N_frame_test = 5;
+muscleLinesOfActionStruct = getMuscleForceDirection(osimModel_name,...
+                                                                IK_mot_file,...
+                                                                bodyOfInterest_name,...
+                                                                bodyExpressResultsIn_name,...
+                                                                effective_attachm,...
+                                                                'true',...
+                                                                 []);
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