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hip_stability [2024/06/28 14:07] – ethan | hip_stability [2024/07/01 18:57] (current) – ethan | ||
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====== Hip Stability ====== | ====== Hip Stability ====== | ||
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+ | - 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, | ||
- | * Calculate the respective differences in Y and Z between the Knee and Hip joint centers, and Ankle and Knee joint centers. | + | || Score || Scoring Definition |
- | + | || 0 || Knee valgus angle is less than -10 degrees || Significant Knee Valgus|| | |
- | * Calculate segment angles for the thigh and shank segments by taking the inverse tangent of the Z difference over difference in Y. | + | || 1 || Knee valgus angle is less than -5 degrees || Mild Knee Valgus|| |
- | + | || 2 || Knee valgus angle is greater | |
- | * Calculate the Knee valgus angle by subtracting the thigh segment angle from the shank segment angle. | + | |
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- | - If Knee valgus angle is less than -10, score is 0. | + | |
- | - Otherwise score is 1. | + | |
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