Meet the editor

Yves Rybarczyk received a PhD degree in Robotics from the University of Evry, France, in 2004. His teaching and research activities focus on human–machine interaction and artificial intelligence. He was assistant professor at the Nova University of Lisbon between 2007 and 2015. Then, he moved to South America where he held the position of Associate Professor and Head of the Intelligent and Interactive Systems Laboratory at

the Universidad de Las Américas until 2019. Currently, he is an associate professor at the University of Skövde, Sweden. He has participated in several projects on the modeling and development of complex and interactive systems. He is the author of over 80 scientific publications. Prof. Rybarczyk is a member of the steering committee of the International Summer Workshops on Multimodal Interfaces and a member of the editorial board of *IEEE Latin America Transactions*.

Contents

**Section 1**

**Section 2**

and Rehabilitation Systems

Recovery in Post-Hip Arthroplasty Patients

*by Yves Rybarczyk*

*and Sophia Ortiz*

Systems

Control

**Section 3**

*by Keiko Tsujioka*

Study—ePHoRt Project

**Preface III**

Introduction **1**

**Chapter 1 3**

State of the Art **9**

**Chapter 2 11**

**Chapter 3 31**

**Chapter 4 51**

Rehabilitation Systems **71**

**Chapter 5 73**

Technical Contributions to the Quality of Telerehabilitation Platforms: Case

*by Patricia Acosta-Vargas, Janio Jadán-Guerrero, Cesar Guevara,* 

*Sandra Sanchez-Gordon and Tania Calle-Jimenez*

Introductory Chapter: Transdisciplinary Considerations on Assistive

Toward a Design of a Telerehabilitation Program for the Functional

*by Wilmer Esparza, Arian Ramón Aladro-Gonzalvo, Jonathan Baldeon* 

A Systematic Review of Usability and Accessibility in Tele-Rehabilitation

*by Jorge Luis Pérez Medina, Patricia Acosta-Vargas and Yves Rybarczyk*

Dual Loop Theory: Eidetic Feedback Control and Predictive Feedback
