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kinematic_model [2018/11/28 09:53] – [Predefined phases and events] oliver | kinematic_model [2023/08/07 00:05] (current) – [Classical SHR ratio] oliver | ||
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**The details of the original model are described here:** | **The details of the original model are described here:** | ||
- | {{pubmed> | + | {{pmid> |
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**The angles to describe shoulder girdle movement are described here:** | **The angles to describe shoulder girdle movement are described here:** | ||
- | {{pubmed> | + | {{pmid> |
{{: | {{: | ||
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**Shoulder internal/ | **Shoulder internal/ | ||
- | {{pubmed> | + | {{pmid> |
====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: | ||
- | {{pubmed> | + | {{pmid> |
==== 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 ==== | ||
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^ Name ^ Used values ^ Deprecated values ^ Description ^ | ^ Name ^ Used values ^ Deprecated values ^ Description ^ | ||
^ TYPE | Static_Cal, Static, EllbowFlex/ | ^ TYPE | Static_Cal, Static, EllbowFlex/ | ||
- | | CLASS | | | This property was originally used in the Heidelberg Motionlab. Please use TYPE instead. | | + | ^ CLASS | | | This property was originally used in the Heidelberg Motionlab. Please use TYPE instead. | |
^ ACTIVITY | Scapula TS, Scapula AI, Scapula AA, Scapula PC, Humerus EL, Humerus EM, Forearm RS, Forearm US | | All of the values can haven an suffix " | ^ ACTIVITY | Scapula TS, Scapula AI, Scapula AA, Scapula PC, Humerus EL, Humerus EM, Forearm RS, Forearm US | | All of the values can haven an suffix " | ||
- | | POSITION | | | This property was originally used in the Heidelberg Motionlab. Please use ACTIVITY instead. | | + | ^ POSITION | | | This property was originally used in the Heidelberg Motionlab. Please use ACTIVITY instead. | |
^ SIDE | Side R, Side L, Both, bds | rechts, links | If a motion or position is side depenended in the meaning it can be done with the right side and the left or with both sides you can define the side. | | ^ SIDE | Side R, Side L, Both, bds | rechts, links | If a motion or position is side depenended in the meaning it can be done with the right side and the left or with both sides you can define the side. | | ||
^ DESCRIPTION | Abduk, Ante-/ | ^ DESCRIPTION | Abduk, Ante-/ | ||
- | | NOTES | | | This property was originally used in the Heidelberg Motionlab. Please use DESCRIPTION instead. | | + | ^ NOTES | | | This property was originally used in the Heidelberg Motionlab. Please use DESCRIPTION instead. | |
For Vicon Nexus users these properties are available per default. No Vicon Nexus Eclipse-properties configuration is needed any more, for its usage. You only have to set the values for each trial as configured in the projects "job configuration" | For Vicon Nexus users these properties are available per default. No Vicon Nexus Eclipse-properties configuration is needed any more, for its usage. You only have to set the values for each trial as configured in the projects "job configuration" | ||
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</ | </ | ||
- | The deprecated values are formaly used in the [[http:// | + | The deprecated values are formaly used in the [[http:// |
You can change the usage of the properties as you want. All is defined in the "job configuration" | You can change the usage of the properties as you want. All is defined in the "job configuration" | ||
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Based on the constants R/ | Based on the constants R/ | ||
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===== Scapula humeral rhythm (SHR) ===== | ===== Scapula humeral rhythm (SHR) ===== | ||
The Scapulohumeral Rhythm (SHR), sometimes also referred to as glenohumeral rhythm is the kinematic interaction between the scapula and the humerus, first published by Codman in the 1930s. This interaction is important for the optimal function of the shoulder. | The Scapulohumeral Rhythm (SHR), sometimes also referred to as glenohumeral rhythm is the kinematic interaction between the scapula and the humerus, first published by Codman in the 1930s. This interaction is important for the optimal function of the shoulder. | ||
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Typically the SHR is given as the ratio of the glenohumeral abduction angle and the scapula medio-lateral rotation angle during humeral abduction movements (movement mainly in frontal or scapula plane). In many publications, | Typically the SHR is given as the ratio of the glenohumeral abduction angle and the scapula medio-lateral rotation angle during humeral abduction movements (movement mainly in frontal or scapula plane). In many publications, | ||
- | {{pubmed> | + | {{pmid> |
Typically the SHR ratio is presented as a function of the humeral elevation. | Typically the SHR ratio is presented as a function of the humeral elevation. | ||
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elevation. | elevation. | ||
- | {{pubmed> | + | {{pmid> |
This is a different measure, which results in different numerical values, for the so called SHR ratio but it is robust against angle-offsets. A numerical feature of this definition is, that it can be implemented a way that the measure does not depend on the rotation order of the cardan angles. | This is a different measure, which results in different numerical values, for the so called SHR ratio but it is robust against angle-offsets. A numerical feature of this definition is, that it can be implemented a way that the measure does not depend on the rotation order of the cardan angles. | ||
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==== Project files ==== | ==== Project files ==== | ||
- | [[https:// | + | [[https:// |
- | + | ||
- | This simple project/ | + | |
- | + | ||
- | The model was developed in the [[http:// | + | |
- | + | ||
- | [[https:// | + |