Abstract-In this paper presents the design and development of a portable prototype of a neuromuscular electrical stimulation and iontophoresis offering a rehabilitation therapy in patients with knee osteoarthritis, an disease that affects the largest adult population worldwide and interferes in quality of life for people who have it. The implemented therapy aims to act on pain fibers and produce analgesia and welfare; likewise stimulate the tissues involved in the mobility and biomechanics to the knee for preventing deterioration of the elements and articular atrophy, increasing tissues metabolism, in order to retard articular cartilage deterioration and thus disease. The hardware is based on an Android application that connects to the computer through the bluetooth communication; the application can store information related to the patient and configure and register therapies from Smartphone. The pacing system was coupled to a knee orthosis that allows placing electrodes for superficial treatment, this orthosis is suitable for both right and left limb. The prototype was designed under the technical standards related to the electrical safety of assets medical equipment and specifically the standard for design and construction of nerve and muscle electrostimulation equipment (NTC 60601-2-10).

Abstract-In this paper we present the case study of a high performance athlete in Taekwondo. We studied five lower limb gestures or kicks known as Yopcha Jirugi, Dolio Shagui, Goquen Chagui, Twimyo Dolyo Chagi y Dwicha Milgui/ Diwicha Jirugui using a digital capture technique. This allowed us to calculate kinematic data of movement performed which describe accurately the technique of the movement performed by the athlete. Motion capture was made using the software Biomech® by placing markers on the body of the athlete. The designs of the biomechanical models were made using Tracklab® and data processing was performed with the use of SmartAnalyzer®. Finally, we produced a realistic simulation of the anatomy and movements in 3D. We used this protocol to quantitatively assess movement within the standardized range-of-motion values, highlight possible issues that may affect performance, and potentially health.

ResumenEsta investigación, que se realizó en el Laboratorio de Biomecánica Digital BIOMED, muestra un estudio de caso de un paciente con amputación por encima de la rodilla y el mecanismo de rodilla monocéntrica, el cual emplea sistemas optoelectrónicos para capturar los movimientos y placas transductoras de fuerza, con el fin de obtener datos de cinética y cinemática de la extremidad. Los resultados fueron analizados para tratar de reconocer los patrones más importantes, las características y posibles mejoras en la marcha, lo cual podría proporcionar algunas bases para el futuro diseño de prótesis, de tal forma que sean cada vez más funcionales y similares de acuerdo al patrón de la marcha normal.Palabras clave: amputación, análisis digital, biomecánica, prótesis. Abstract Biomechanical Analysis of Ongoing Digital Prosthetic Amputee above KneeThis research, conducted at the BIOMED Digital Biomechanics Laboratory, shows a case study of a patient with amputation above the knee and the monocentric knee mechanism, which employs optoelectronic systems to capture the movement and force transducers plates to obtain data on kinetics and kinematics of the limb. The results were analyzed to try to recognize the major patterns, characteristics and possible improvements in gait, which could provide some basis for the future design of artificial limbs, so they are increasingly functional and similar to the pattern of normal gait.