Inventor and Designer of Postural Control Insoles

Pre Foot Flat

  • Initial Contact Lateral border of heel

Foot Flat 

  • At this point, the foot normally pronates (hip drive pronation).  This pronation is so subtle that it cannot be detected visually.
  • However, the foot is abnormally pronating.

Midstance

  • The foot continues to pronate (gravity drive pronation)
  • Hip drive should be engaged at this point and supinating the foot

Pre Heel Lift

  • The foot continues to pronate (gravity drive pronation)
  • Hip drive should be engaged at this point and supinating the foot

Heel Lift

  • Foot motion is now controlled by the Windlass Mechanism
  • Foot is supinating (note the decrease in foot pronation)


PreClinical Clubfoot Deformity

Gait Pattern  Heel Contact to Heel Lift Engaged in Gravity Drive Pronation

Differential Treadmill Analysis:

PreClinical Clubfoot Deformity

  • Gravity Drive Pronation from Foot Flat to Pre Heel Lift

Rothbarts Foot

  • Hip Drive Pronation during Foot Flat
  • Gravity Drive Pronation from Midstance to Pre Heel Lift

Courtesy of ShoeOnTheWeb