--- a
+++ b/Docs/Applications/Other/ExoConceptTrunk_BoxLift.md
@@ -0,0 +1,29 @@
+---
+gallery_title: "Trunk exoskeleton model"
+gallery_image: "/Applications/images/ExoConceptTrunk_BoxLift.webp"
+---
+
+(sphx_glr_auto_examples_Other_plot_ExoConceptTrunk_BoxLift.py)=
+(example_exo_concept_trunk)=
+# Trunk exoskeleton concept model
+
+
+````{sidebar} **Example**
+<img src="/Applications/images/ExoConceptTrunk_BoxLift.webp" width="70%" align="center">
+````
+
+Trunk exoskeleton concept model.
+
+This simple example shows how the effects of an exoskeleton can be investigated by applying assistive torque
+directly at the human joints.
+
+
+
+:::{seealso}
+**Main file location in AMMR:**
+
+{menuselection}`Application --> Examples --> ExoskeletonTrunk --> ExoConceptTrunk_BoxLift.main.any`
+:::
+
+The model points to the existing {ref}`BVH Box Lift model <example_bvh_boxlift>` in the AMMR and implements
+the trunk exoskeleton concept. In this example, a spring force is applied at the pelvis-thorax extension measure of the body model.