Documentation Index
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Technical Details
- Variable Type: Discrete Metric
- Data Type: Float
- Units: raw: m, display: in
- Column Name:
wrist_fore_aft_lead_toe_at_release - Aggregation: mean
- Precision: 1
- Measurement: Wrist fore/aft position relative to lead toe at release
- Reference: Positive = in front of toe, Negative = behind toe
- Timing: At ball release event
- Typical Range: -6.0 – 0.3 in
- Optimal Direction: Higher is better
Description
Wrist position to lead toe measures the fore/aft position of the wrist relative to the lead toe at the instant of ball release. Positive values indicate the wrist is in front of the toe, while negative values indicate it is behind.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 | 0.3 – 2.4 in | -8.7 | -3.8 | -1.3 | 0.3 | 2.4 |
| High School | -0.4 – 3.2 in | -8.9 | -5.1 | -2.4 | -0.4 | 3.2 |
| College | -0.7 – 2.2 in | -12.6 | -7.4 | -4.4 | -0.7 | 2.2 |
| Professional | 2.6 – 9.1 in | -9.8 | -6.2 | -1.4 | 2.6 | 9.1 |
| Broad (All Levels) | -6.0 – 3.2 in | -10.7 | -6.0 | -2.3 | 0.3 | 3.2 |
Use Cases
- Release position assessment
- Mechanics analysis