This book constitutes the refereed proceedings of the 4th International Conference on Articulated Motion and Deformable Objects, AMDO 2006, held in Port d'Andratx, Mallorca, Spain, in July 2006. Presents 53 carefully selected and revised full papers on topics including geometric and physical deformable models, motion analysis, articulated models and animation, modelling and visualisation of deformable models, deformable models applications, motion analysis applications, single or multiple human motion analysis and synthesis, and more.