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Technical Details

  • Variable Type: Event
  • Data Type: Integer
  • Units: Frame number
  • Column Name: foot_contact_frame
  • Required for QA: True
  • Measurement: Front foot ground contact

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Description

Foot contact marks the moment when the front foot makes contact with the ground and begins accepting weight. Identified using a combination of position and velocity of the ankle and toe keypoints. This is a critical time point for sequencing the pitch as well as body position metrics

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Use Cases

  • Stride time analysis
  • Pitch sequence and order
  • Posture and body position