Filters








504 Hits in 7.0 sec

Shoulder movements during the initial phase of learning manual wheelchair propulsion in able-bodied subjects

Laurence Roux, Sylvain Hanneton, Agnès Roby-Brami
2006 Clinical Biomechanics  
But no studies carry out the kinematics of the upper-limb during the learning of non constrained open field locomotion with a wheelchair. Methods.  ...  This work is the first to study the kinematics of shoulder joint rotations during the learning of wheelchair propulsion in an ecological situation.  ...  The aims of this study are (1) to test a method based on the estimation of a kinematical model of the upper limb including the shoulder complex (2) to describe the movements of the joints of the upper  ... 
doi:10.1016/j.clinbiomech.2005.09.013 pmid:16274903 fatcat:4hy53pf4d5gf3jtowbgyjpp75u

Tracking and Characterization of Spinal Cord-Injured Patients by Means of RGB-D Sensors

Filippo Colombo Zefinetti, Andrea Vitali, Daniele Regazzoni, Caterina Rizzi, Guido Molinero
2020 Sensors  
The measurements computed by the SCI-APP show a good reliability for analyzing the movements of SCI patients' propulsion wheelchair.  ...  Five movements have been considered to evaluate the wheelchair propulsion: the humeral elevation, the horizontal abduction of the humerus, the humeral rotation, the elbow flexion and the trunk extension  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20216273 pmid:33158050 fatcat:pjdjrvy2brfonnuwubxw2mhawq

Comparison of shoulder kinematic chain models and their influence on kinematics and kinetics in the study of manual wheelchair propulsion

Samuel Hybois, Pierre Puchaud, Maxime Bourgain, Antoine Lombart, Joseph Bascou, François Lavaste, Pascale Fodé, Hélène Pillet, Christophe Sauret
2019 Medical Engineering and Physics  
Several kinematic chains of the upper limbs have been designed in musculoskeletal models to investigate various upper extremity activities, including manual wheelchair propulsion.  ...  The aim of our study was to compare the effect of an ellipsoid mobilizer formulation to describe the motion of the scapulothoracic joint with respect to regression-based models on shoulder kinematics,  ...  Model A custom-made musculoskeletal model of the thorax and both upper limbs (referred to as M ellips ) was designed in OpenSim.  ... 
doi:10.1016/j.medengphy.2019.06.002 pmid:31221514 fatcat:k4ww6ukwzjd25fextmjwc4spxq

Eye-gaze control of a wheelchair mounted 6DOF assistive robot for activities of daily living

Md Samiul Haque Sunny, Md Ishrak Islam Zarif, Ivan Rulik, Javier Sanjuan, Mohammad Habibur Rahman, Sheikh Iqbal Ahamed, Inga Wang, Katie Schultz, Brahim Brahmi
2021 Journal of NeuroEngineering and Rehabilitation  
The graphical user interface is designed and integrated with the developed control architecture to achieve the goal. Results We evaluated the system by conducting a user study.  ...  Methods In this study, our research objective is to design an eye-tracking assistive robot control system capable of providing targeted engagement and motivating individuals with a disability to use the  ...  Disclaimer The contents do not represent the views of the U.S. Department of Veterans Affairs or the United States Government.  ... 
doi:10.1186/s12984-021-00969-2 pmid:34922590 pmcid:PMC8684692 fatcat:ywtodeixl5d23laozyzocmbyoi

Applications of Upper Limb Biomechanical Models in Spinal Cord Injury Patients [chapter]

Angel Gil-Agudo, Antonio del, Ana de los Reyes-Guzman, Alberto Bernal-Sahun, Eduardo Roco
2011 Biomechanics in Applications  
Acknowledgment The research for this manuscript has been partially funded by grant from the Spanish  ...  The results of this study show the basis of the dynamics of tremorous movement in each joint of the upper limb, information that is required for the design of portable active upper limb exoskeletons.  ...  A number of factors influence the interaction between user and wheelchair, including level of SCI, design of the wheelchair, fit between user and chair, stroke mechanics, user fitness levels and history  ... 
doi:10.5772/19920 fatcat:rrakstrceffsxmhfnzkexom6mq

State-of-the-Art Assistive Powered Upper Limb Exoskeletons for Elderly

Akim Kapsalyamov, Shahid Hussain, Prashant K. Jamwal
2020 IEEE Access  
The potentiometer was embedded on board to measure the extension and flexion of shoulder joint angles.  ...  Such devices are able to enhance the power of upper limbs and direct them in a specified trajectory by providing additional torques for muscles and joints [32] [33] [34] .  ... 
doi:10.1109/access.2020.3026641 fatcat:hu426t7p4navphedwubrekk7sa

The Proper Motor Control Model Revealed by Wheelchair Curling Quantification of Elite Athletes

Xiangdong Wang, Ruijiao Liu, Tian Zhang, Gongbing Shan
2022 Biology  
Conclusions: The results supply valuable motor learning markers that could have a significant positive impact on the teaching and learning of wheelchair curling, as such, the findings have great potential  ...  Yet, hardly any motion studies exist. This study aimed to facilitate understanding of optimized control of wheelchair curling for promoting wheelchair users' participation.  ...  Acknowledgments: We would like to thank all the subjects of the study who donated their time and expertise, and the Chinese National Wheelchair Curling Team for providing the training gym to support the  ... 
doi:10.3390/biology11020176 pmid:35205043 pmcid:PMC8869162 fatcat:yn6wslluzrakzkuiufa4x52ime

Avaliação cinemática da transferência de paraplégicos da cadeira de rodas

Karina Cristina Alonso, Eliza Regina Ferreira Braga Machado de Azevedo, Enio Walker Cacho, Renato Varoto, Alberto Cliquet Júnior
2011 Acta Ortopédica Brasileira  
MÉTODOS: Participaram do estudo doze sujeitos lesados medulares (T2 a T12), aptos a realizar independentemente a transferência da cadeira de rodas para um tablado com um metro quadrado (m²) de área por  ...  OBJETIVO: Avaliar a estratégia das transferências de paraplégicos da cadeira de rodas.  ...  The results obtained with the study facilitated the biomechanical comprehension and description of the characteristics of movements of the upper limbs, head and trunk of spinal cord injured subjects, during  ... 
doi:10.1590/s1413-78522011000600005 fatcat:rlyl26fizbhkbnkwzmvlgbhsam

A survey on robotic devices for upper limb rehabilitation

Paweł Maciejasz, Jörg Eschweiler, Kurt Gerlach-Hahn, Arne Jansen-Troy, Steffen Leonhardt
2014 Journal of NeuroEngineering and Rehabilitation  
The purpose of this paper is to document a review of robotic devices for upper limb rehabilitation including those in developing phase in order to provide a comprehensive reference about existing solutions  ...  Robotic devices have the potential to address this problem as noted by the results of recent research studies.  ...  He would also like to thank the Center for Advanced Studies of the Warsaw University of Technology for the support that he received during preparation of this work and the Chair of Medical Engineering  ... 
doi:10.1186/1743-0003-11-3 pmid:24401110 pmcid:PMC4029785 fatcat:3zouveetrvf7pcpibpgssiobiy

Evaluation of Dynamics of Pushing a Wheelchair Up or Down a Slope

Kazuto MIYAWAKI, Makoto SASAKI, Takehiro IWAMI, Goro OBINATA, Yoichi SHIMADA
2012 Journal of System Design and Dynamics  
This study performs mechanical evaluation of a helper's walking using a wheelchair on a slope. We use the Musculoskeletal Model to estimate the joint moment and energy consumption.  ...  Japan's progressing aging society increasingly needs evaluation of equipment used for human assistance. Earlier studies have evaluated the use of wheelchairs.  ...  Future studies will use a rigid link model of the spine, which incorporates the muscles, the discs, and the ligaments to estimate the precise hip joint load.  ... 
doi:10.1299/jsdd.6.525 fatcat:hm55xw7bvbdf5ohqrdq4s5heki

Towards a Wearable Wheelchair Monitor: Classification of Push Style Based on Inertial Sensors at Multiple Upper Limb Locations

Roxana Ramirez Herrera, Behzad Momahed Heravi, Giulia Barbareschi, Tom Carlson, Catherine Holloway
2018 2018 IEEE International Conference on Systems, Man, and Cybernetics (SMC)  
Stroke pattern is an important descriptor of the wheelchair user's quality of movement.  ...  This paper evaluates the capability of inertial sensors located at different upper limb locations plus wheel, to classify two types of stroke pattern for manual wheelchairs: semicircle and arc.  ...  The system could not only integrate all validated methods for describing wheelchair user's physical activity, but also a description of the quality of the movement through the type of pushing style.  ... 
doi:10.1109/smc.2018.00266 dblp:conf/smc/HerreraHBCH18 fatcat:ffttcyp5bzgjnazswnoykdalx4

The Symmetric Nature of the Position Distribution of the Human Body Center of Gravity during Propelling Manual Wheelchairs with Innovative Propulsion Systems

Bartosz Wieczorek, Mateusz Kukla, Łukasz Warguła
2021 Symmetry  
A secondary objective was to show the impact of the used manual propulsion type and the wheelchair inclination angle in relation to the plane on the dimensions of the position variability areas of the  ...  the description of this variability by means of plane figures with a symmetry axis.  ...  Free movement of the upper limbs consists of bending them again in the elbow joint without the simultaneous contact of the hand with the pushrims.  ... 
doi:10.3390/sym13010154 fatcat:z4dksnfo5becnfsln6h6hx7sgu

Influence of Handrim Wheelchair Propulsion Training in Adolescent Wheelchair Users, A Pilot Study

Jennifer L. Dysterheft, Ian M. Rice, Laura A. Rice
2015 Frontiers in Bioengineering and Biotechnology  
Overall, the use of a training video and verbal feedback may help to improve short-term propulsion technique in adolescent wheelchair users and decrease the risk of developing upper limb pain and injury  ...  Ten full-time adolescent wheelchair users (ages 13-18) completed a total of three propulsion trials on carpet and tile surfaces, at a self-selected velocity, and on a concrete surface, at a controlled  ...  Acknowledgments This study was supported by the University of Illinois Center on Health Aging, and Disability (CHAD) Award. Special thanks to research assistants Anna Ballazhi, Ethan Sanders.  ... 
doi:10.3389/fbioe.2015.00068 pmid:26042217 pmcid:PMC4435070 fatcat:ivsaozfhejafbfv7ucel5g7slq

A Review of New Analytic Techniques for Quantifying Symmetry in Locomotion

Elizabeth T. Hsiao-Wecksler, John D. Polk, Karl S. Rosengren, Jacob J. Sosnoff, Sungjin Hong
2010 Symmetry  
These new methods use motion capture data of the lower limb joints (e.g., joint and body segment angular position and/or velocity, or joint center locations) and include: (1) Regions of Deviation (ROD)  ...  We provide example demonstrations of these techniques using data from infants, typical and atypically developing children, simulated injuries of a knee or ankle, and wheelchair propulsion.  ...  Helwig and Kiwon Park for their assistance on this body of work.  ... 
doi:10.3390/sym2021135 fatcat:w6alupduivhrneoe6rgsfvbf4i

Current Status and Consideration of Support/Care Robots for Stand-Up Motion

Kensuke Nakamura, Norihiko Saga
2021 Applied Sciences  
status of the design of these robots.  ...  It is also demonstrated that both the assistance forms adopt the same trends in terms of the control strategy design and system I/O relationships.  ...  Acknowledgments: The authors acknowledge Kazufumi Tsukamoto for some of the preliminary literature collection for this review.  ... 
doi:10.3390/app11041711 fatcat:lsxybydkzrcu5g7dz2q3hkwec4
« Previous Showing results 1 — 15 out of 504 results