Documentation Index
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Technical Details
- Variable Type: Discrete Metric
- Data Type: Float
- Units: °
- Column Name:
pelvis_angle_to_plate_coil - Aggregation: mean
- Precision: 0
- Measurement: Maximum pelvis rotation (twist) angle away from home plate prior to delivery
- Reference: 0° = facing home plate
- Typical Range: 109 – 128 °
- Optimal Direction: Higher is better
Description
Pelvis angle to plate coil measures the maximum pelvis rotation angle away from home plate prior to delivery, where facing home plate is 0 degrees. This represents the coil or loading phase of the pelvis.Normative Ranges
Percentile distributions by competition level from the 2026 Q1 dataset; the optimal range spans the 75th–90th percentiles.| Population | Optimal Range (75th–90th) | 10th | 25th | 50th | 75th | 90th |
|---|---|---|---|---|---|---|
| Youth | 126 – 136 ° | 103 | 111 | 117 | 126 | 136 |
| High School | 129 – 138 ° | 104 | 112 | 120 | 129 | 138 |
| College | 128 – 138 ° | 105 | 110 | 119 | 128 | 138 |
| Professional | 124 – 132 ° | 81 | 94 | 104 | 124 | 132 |
| Broad (All Levels) | 128 – 137 ° | 100 | 109 | 118 | 128 | 137 |
Use Cases
- Rotation analysis
- Mechanics evaluation