hip_stability

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hip_stability [2024/06/28 14:01] ethanhip_stability [2024/07/01 18:57] (current) ethan
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 ====== Hip Stability ====== ====== Hip Stability ======
  
-  Determine YZ joint center positions of the respective limb’s Ankle, Knee, and Hip +  Determine YZ joint center positions of the respective limb’s Ankle, Knee, and Hip  
 +  - Calculate the respective differences in Y and Z between the Knee and Hip joint centers, and Ankle and Knee joint centers.   
 +  - Calculate segment angles for the thigh and shank segments by taking the inverse tangent of the Z difference over difference in Y.   
 +  - Calculate the Knee valgus angle by subtracting the thigh segment angle from the shank segment angle.   
 +  - Metric calculated for Step Down, Drop Jump, Lateral Shuffle, Triple Jump, Deceleration, Cut.
  
-  * Calculate the respective differences in Y and Z between the Knee and Hip joint centers, and Ankle and Knee joint centers.  +|| Score || Scoring Definition  || Significance|| 
 +|| 0 || Knee valgus angle is less than -10 degrees || Significant Knee Valgus|| 
 +|| 1 || Knee valgus angle is less than -5 degrees || Mild Knee Valgus|| 
 +|| 2 || Knee valgus angle is greater than -5 degrees || No Knee Valgus||
  
-  * Calculate segment angles for the thigh and shank segments by taking the inverse tangent of the Z difference over difference in Y.   +{{ ::hip_stability.png?nolink&400 |}}
- +
-  * Calculate the Knee valgus angle by subtracting the thigh segment angle from the shank segment angle.   +
- +
-  - If Knee valgus angle is greater than -5, score is 2.  +
-  - If Knee valgus angle is less than -10, score is 0. +
-  - Otherwise score is 1+
  • hip_stability.1719583292.txt.gz
  • Last modified: 10 months ago
  • by ethan