The orthopaedic foot surgeon Dr. Peter Bock was invited by GIZ – an interdisciplinary forum of doctors and physiotherapists – (http://www.giz-fokus.at) on may first to have a talk on ligament injuries around the ankle. As a foot specialist dr. Bock often is cocerned with patients after ankle sprain. Dr. Bock emphasised that ankle ligament injuries should be recognised in order avoid future problems. Nevertheless also in a chronic stade ankle stability can be restored by surgical means. Especially arthroscopic techniques play a more and more important role in the treatment of ankle instabilities.