The objective of the study is to evaluate the postural control and proprioception before and after external capsulo-ligament reconstruction for ankle instability using differents tests, questionnaires and instrument:~Delos system (computerized oscillating platform)~Foot and Ankle Ability Measure (FAAM), l'American Orthopaedic Foot and Ankle Score (AOFAs), SF12 questionnaires~modified Star Excursional Balance Test (mSEBT) and Short Physical Performance Battery (SPPB)
The objective of the study is to evaluate the postural control and proprioception before and after external capsulo-ligament reconstruction for ankle instability.