Linear Stretch

Distance between the lead ankle and center of both wrists along the pitch direction at foot contact. This measures the linear stretch of the body during the swing.

Technical Details

• Variable Type: Discrete Metric
• Data Type: Float
• Units: meters (m)
• Column Name: linear_stretch
• Measurement: Distance from lead ankle to center of wrists
• Direction: Along pitch direction
• Timing: At foot contact event
• Typical Range: 0.8-1.5 meters

Description

Linear stretch measures the distance between the lead ankle and the center of both wrists along the pitch direction at foot contact, indicating the body’s linear extension during the swing.

Use Cases

• Body extension analysis
• Stretch assessment
• Linear mechanics evaluation