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Technical Details

  • Variable Type: Discrete Metric
  • Data Type: Boolean
  • Units: True/False
  • Column Name: high_hand
  • Measurement: Wrist to elbow vertical distance during cocking phase
  • Threshold: Wrist height not within 10 cm (~4 in) of elbow height

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Description

High hand is a binary indicator that flags insufficient forearm layback during the cocking phase. It occurs when the wrist joint center height does not get within 10 cm (~4 in) of the elbow joint center vertical position during the cocking phase.

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Use Cases

  • Forearm layback assessment
  • Arm mechanics evaluation