What causes the arch of the foot to collapse and become extremely painful?

What causes the arch of the foot to collapse and become extremely painful?

1. Introduction The arch of the foot collapses and becomes acutely painful most frequently due to posterior tibial tendon dysfunction, where the primary stabilizing tendon stretches, degenerates, and ultimately fails under chronic mechanical load. To manage this structural collapse, patients require rigid orthotic support, targeted physical therapy, and occasionally surgical reconstruction to restore the biomechanical … Read more