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kinematic_model [2021/02/20 21:24] – [Kinematic models] oliver | kinematic_model [2023/08/07 00:04] – [Accuracy] oliver | ||
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====== Kinematic models ====== | ====== Kinematic models ====== | ||
The Upperlimb Software is a full featured modelling software with the focus on upper extremity kinematic modelling. Lots of different models are implemented in the Heidelberg gaitlab and can be combined or adapted. A typically application has its specific needs and existing models have to be adapted. There are two main modelling approaches, which correspond to three different models, you can start with: 1. The HUX model, 2. an implementation of the recommendations of the ISB and 3. a combination of both. | The Upperlimb Software is a full featured modelling software with the focus on upper extremity kinematic modelling. Lots of different models are implemented in the Heidelberg gaitlab and can be combined or adapted. A typically application has its specific needs and existing models have to be adapted. There are two main modelling approaches, which correspond to three different models, you can start with: 1. The HUX model, 2. an implementation of the recommendations of the ISB and 3. a combination of both. | ||
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- | A model is applied on kinematic data which can be collected by a markerbased motion analysis system, by inertial or other type of sensors. The described three default models are build to process markerbased motion data. they are tested extensively with the //Vicon// system especially the deprecated software //Vicon Workstation// | ||
===== HUX model ===== | ===== HUX model ===== | ||
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**The details of the original model are described here:** | **The details of the original model are described here:** | ||
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**The angles to describe shoulder girdle movement are described here:** | **The angles to describe shoulder girdle movement are described here:** | ||
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**Shoulder internal/ | **Shoulder internal/ | ||
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====Marker placement==== | ====Marker placement==== | ||
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A detailed description of the angles (also several variants are available) is published here: | A detailed description of the angles (also several variants are available) is published here: | ||
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==== Tip positions ==== | ==== Tip positions ==== | ||
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For this RoM the maximum error should be less than 8 degrees in all cases. That is higher than for the other upper extremity joint angles but it sounds worse than it is because typical daily life arm movements have variabilities in the same order. There are several publication about accuracy, e.g.: | For this RoM the maximum error should be less than 8 degrees in all cases. That is higher than for the other upper extremity joint angles but it sounds worse than it is because typical daily life arm movements have variabilities in the same order. There are several publication about accuracy, e.g.: | ||
- | {{pubmed> | + | {{pmid> |
- | {{pubmed> | + | {{pmid> |
- | {{pubmed> | + | {{pmid> |
- | {{pubmed> | + | {{pmid> |
==== Angles ==== | ==== Angles ==== |