[Diagnostics and treatment concepts for anteroinferior shoulder instability : Current trends].

Shoulder instability arises when static or dynamic stabilizers deviate from the natural equilibrium. The most common form of shoulder instability is in an anteroinferior direction, affects young athletes in contact sports and can lead to permanent impairment of shoulder function and early degeneration of the joint. Conservative as well as operative therapy options have been controversially discussed for years. This article describes the current state of diagnostics, current trends in therapy decisions and relevant therapy options for anterior shoulder instability.