Skip to main content

​
Technical Details

  • Variable Type: Discrete Metric
  • Data Type: Boolean
  • Units: True/False
  • Column Name: sway_leg
  • Measurement: Rear knee position relative to ankle
  • Fault Condition: Knee passes behind ankle (away from pitcher)

​
Description

Sway leg indicates excessive lateral movement in the lower body, specifically when the rear knee passes behind the ankle (further from pitcher), compromising the base of support and power generation. Sway leg is a different method of measuring pre-swing sway movement, which can be used in combination wtih normal Sway, measured by lateral pelvis motion.

​
Use Cases

  • Lower body balance analysis
  • Leg stability assessment
  • Base of support evaluation