Plank
Biomechanical analysis of plank holds, including side, front, and static stability measurements.
Plank
Overview
Events
| Metric | Data Type | Description |
|---|---|---|
| Start | Int | the start of the plank hold |
| End | Int | the end of the plank hold |
Phases and Stages
| Phase | Stage | Start | End | Event or Phase |
|---|---|---|---|---|
| Hold | Static | Start | End | Phase |
Discrete Metrics
| Metric | Data Type | Units | Description |
|---|---|---|---|
| Side | String | N/A | Side of plank (‘left’, ‘right’, or ‘front’) |
| Duration | Float | seconds | Duration of the plank hold |
| Average Pelvis Velocity | Float | m/s | Average velocity of pelvis during plank hold |
| Trunk Initial Angle Sagittal | Float | degrees | Initial trunk angle in sagittal plane |
| Trunk Initial Angle Frontal | Float | degrees | Initial trunk angle in frontal plane |
Notes
- All angular measurements follow ISB conventions
- Kinematic data typically captured at 240Hz for stability activities
- Side is determined by shoulder abduction angles (threshold of 45 degrees)
- Front plank is currently not supported
- Duration is capped at 20 seconds