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Technical Details

  • Variable Type: Movement Flag
  • Data Type: Integer
  • Units: N/A
  • Column Name: loss_of_posture
  • Related Column Names: loss_of_posture_shoulder, loss_of_posture_pelvis
  • Optimal Direction: Lower is better
  • Unknown Value: -1
  • Measurement: Mid-shoulder and mid-pelvis 3D position between P1 Address and P7 Impact
  • Threshold: Mid-shoulder or mid-pelvis position moves more than 10 cm (0.1 m) from its Address value, in any axis

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Description

Loss of Posture flags when the golfer’s spine angle changes significantly during the swing, identified by excessive displacement of the mid-shoulder or mid-pelvis position relative to Address. Related outputs break this down further: Loss of Posture Shoulder and Loss of Posture Pelvis report the shoulder- and pelvis-specific components, and Loss of Posture Shoulder Direction / Loss of Posture Pelvis Direction report which axes triggered the flag. Early Extension and Reverse Spine Angle are related, more specific posture faults.

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Use Cases

  • Posture fault detection
  • Swing consistency coaching
  • Injury risk screening