--- a
+++ b/Docs/Applications/Other/ExoConcept_BoxLift.md
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+---
+gallery_title: "Exoskeleton concept model"
+gallery_image: "/Applications/images/ExoConcept_BoxLift.webp"
+---
+
+(sphx_glr_auto_examples_Other_plot_ExoConcept_BoxLift.py)=
+(example_exo_concept_boxlift)=
+# Exoskeleton concept model
+
+
+````{sidebar} **Example**
+<img src="/Applications/images/ExoConcept_BoxLift.webp" width="70%" align="center">
+````
+
+
+Exoskeleton concept model.
+
+
+:::{seealso}
+**Main file location in AMMR:**
+
+{menuselection}`Application --> Examples --> ExoskeletonConcept --> ExoConcept_BoxLift.Main.any`
+:::
+
+This example shows how to study different exoskeleton concepts on an activity. The model is
+based on the [webcast](https://www.anybodytech.com/download/simulation-driven-conceptual-design-of-exoskeletons/)
+presented by Prof. John Rasmussen from Aalborg University on March 28, 2022.
+
+The model points to the existing {ref}`BVH Box Lift model <example_bvh_boxlift>` in the AMMR and implements
+the different steps described in the webcast. In this model, two different concepts can be studied:
+
+> - Rotational springs at the knees
+> - Extensible rods crossing the knees, hips and lumbar spine.
+
+For each concept, you can apply idealized forces through AnyReacForce. The idealized
+forces are like hypothetical actuators that will provide as much force as is needed by the system. This
+can be useful to study requirement of assistive force and its relation with kinematic data such as joint
+angles. Subsequently, the assistive force can be implemented through springs whose characteristics
+have been determined by the idealized force required at the joints.
+
+Thus, there are four possibilities in this exoskeleton concept model:
+: 1. Idealized force at knees.
+  2. Spring force at knees.
+  3. Idealized extensible rods crossing the knees, hips and lumbar spine.
+  4. Spring force-based extensible rods crossing the knees, hips and lumbar spine.