A Low Cost Platform based on FES and Muscle Synergies for Postural Control Research and Rehabilitation

2013 ◽  
Keyword(s):  
Postural Control ◽  
Low Cost ◽  
Muscle Synergies ◽  
Control Research

Low-Cost Real-Time Vision Platform for Spatial Temperature Control Research Education Developments

2019 ◽  
Author(s):  
Jairo Viola ◽  
Alberto Radici ◽  
Sina Dehghan ◽  
YangQuan Chen
Keyword(s):  
Real Time ◽  
Temperature Control ◽  
Low Cost ◽  
Research Education ◽  
Heating And Cooling ◽  
Temperature Feedback ◽  
Peltier Module ◽  
Control Research ◽  
And Training ◽  
Lower Heating

Abstract Temperature control is present in many industrial processes, making this skill mandatory for the control engineers. For this reason, different training temperature platforms have been created for this purpose. However, many of these platforms are expensive, require elaborate facility accommodations, and have higher heating and cooling times, making not suitable for teaching and training. This paper presents a low-cost educational platform for temperature control training. The platform employs a Peltier module as a heating element, which has lower heating and cooling time than other thermal system implementations. A low-cost real-time thermal camera is employed as a temperature feedback sensor instead of a standard thermal sensor. The control algorithm is developed in Matlab-Simulink and employs an Arduino board as hardware in the loop to manage the Peltier module. A temperature control experiment is performed to show that the platform is suitable for teaching and training experiences not only in the classroom but for engineers in the industry.

scholarly journals Use of a Low-Cost, Commercially Available Gaming Console (Wii) for Rehabilitation of an Adolescent With Cerebral Palsy

2008 ◽  
Vol 88 (10) ◽  
pp. 1196-1207 ◽  
Author(s):  
Judith E Deutsch ◽  
Megan Borbely ◽  
Jenny Filler ◽  
Karen Huhn ◽  
Phyllis Guarrera-Bowlby
Keyword(s):  
Cerebral Palsy ◽  
Postural Control ◽  
Low Cost ◽  
Functional Mobility ◽  
Perceptual Processing ◽  
Perceptual Skills ◽  
School Based ◽  
Perceptual Test ◽  
Published Report ◽  
Summer Session

Background and Purpose The purpose of this retrospective and prospective case report is to describe the feasibility and outcomes of using a low-cost, commercially available gaming system (Wii) to augment the rehabilitation of an adolescent with cerebral palsy. Patient and Setting The patient was an adolescent with spastic diplegic cerebral palsy classified as GMFCS level III who was treated during a summer session in a school-based setting. Intervention The patient participated in 11 training sessions, 2 of which included other players. Sessions were between 60 and 90 minutes in duration. Training was performed using the Wii sports games software, including boxing, tennis, bowling, and golf. He trained in both standing and sitting positions. Outcomes Three main outcome measures were used: (1) visual-perceptual processing, using a motor-free perceptual test (Test of Visual Perceptual Skills, third edition); (2) postural control, using weight distribution and sway measures; and (3) functional mobility, using gait distance. Improvements in visual-perceptual processing, postural control, and functional mobility were measured after training. Discussion and Conclusions The feasibility of using the system in the school-based setting during the summer session was supported. For this patient whose rehabilitation was augmented with the Wii, there were positive outcomes at the impairment and functional levels. Multiple hypotheses were proposed for the findings that may be the springboard for additional research. To the authors’ knowledge, this is the first published report on using this particular low-cost, commercially available gaming technology for rehabilitation of a person with cerebral palsy.

scholarly journals Action Direction of Muscle Synergies in Voluntary Multi-Directional Postural Control

2017 ◽  
Vol 11 ◽  
Author(s):  
Akari Kubo ◽  
Shota Hagio ◽  
Benio Kibushi ◽  
Toshio Moritani ◽  
Motoki Kouzaki
Keyword(s):  
Postural Control ◽  
Muscle Synergies

Development of new muscle synergies in postural control in spinal cord injured subjects

1998 ◽  
Vol 8 (1) ◽  
pp. 23-34 ◽  
Author(s):  
H.A.M Seelen ◽  
Y.J.M Potten ◽  
J Drukker ◽  
J.P.H Reulen ◽  
C Pons
Keyword(s):  
Spinal Cord ◽  
Postural Control ◽  
Muscle Synergies ◽  
Spinal Cord Injured

22.7 EMG normalization in postural control research: Is it necessary?

2005 ◽  
Vol 21 ◽  
pp. S144
Author(s):  
R. Brydges ◽  
J.S. Frank ◽  
D.A. Winter ◽  
W.H. Gage
Keyword(s):  
Postural Control ◽  
Control Research

scholarly journals Novel control strategies for mosquito-borne diseases

2020 ◽  
Vol 376 (1818) ◽  
pp. 20190802
Author(s):  
Robert T. Jones ◽  
Thomas H. Ant ◽  
Mary M. Cameron ◽  
James G. Logan
Keyword(s):  
Mosquito Control ◽  
Control Strategies ◽  
Low Cost ◽  
Interdisciplinary Approach ◽  
Strategy Development ◽  
Housing Design ◽  
Control Research ◽  
Control Technologies ◽  
Mosquito Entry ◽  
Global Health Challenge

Mosquito-borne diseases are an increasing global health challenge, threatening over 40% of the world's population. Despite major advances in malaria control since 2000, recent progress has stalled. Additionally, the risk of Aedes -borne arboviruses is rapidly growing, with the unprecedented spread of dengue and chikungunya viruses, outbreaks of yellow fever and the 2015 epidemic of Zika virus in Latin America. To counteract this growing problem, diverse and innovative mosquito control technologies are currently under development. Conceptually, these span an impressive spectrum of approaches, from invasive transgene cassettes with the potential to crash mosquito populations or reduce the vectorial capacity of a population, to low-cost alterations in housing design that restrict mosquito entry. This themed issue will present articles providing insight into the breadth of mosquito control research, while demonstrating the requirement for an interdisciplinary approach. The issue will highlight mosquito control technologies at varying stages of development and includes both opinion pieces and research articles with laboratory and field-based data on control strategy development. This article is part of the theme issue ‘Novel control strategies for mosquito-borne diseases'.

Muscle Synergies Characterizing Human Postural Responses

2007 ◽  
Vol 98 (4) ◽  
pp. 2144-2156 ◽  
Author(s):  
Gelsy Torres-Oviedo ◽  
Lena H. Ting
Keyword(s):  
Postural Control ◽  
Muscle Activation ◽  
Muscle Synergies ◽  
Support Surface ◽  
Muscle Coordination ◽  
Natural Behavior ◽  
Activation Patterns ◽  
Muscle Activation Patterns ◽  
Postural Responses ◽  
Automatic Postural Responses

Postural control is a natural behavior that requires the spatial and temporal coordination of multiple muscles. Complex muscle activation patterns characterizing postural responses suggest the need for independent muscle control. However, our previous work shows that postural responses in cats can be robustly reproduced by the activation of a few muscle synergies. We now investigate whether a similar neural strategy is used for human postural control. We hypothesized that a few muscle synergies could account for the intertrial variability in automatic postural responses from different perturbation directions, as well as different postural strategies. Postural responses to multidirectional support-surface translations in 16 muscles of the lower back and leg were analyzed in nine healthy subjects. Six or fewer muscle synergies were required to reproduce the postural responses of each subject. The composition and temporal activation of several muscle synergies identified across all subjects were consistent with the previously identified “ankle” and “hip” strategies in human postural responses. Moreover, intertrial variability in muscle activation patterns was successfully reproduced by modulating the activity of the various muscle synergies. This suggests that trial-to-trial variations in the activation of individual muscles are correlated and, moreover, represent variations in the amplitude of descending neural commands that activate individual muscle synergies. Finally, composition and temporal activation of most of the muscle synergies were similar across subjects. These results suggest that muscle synergies represent a general neural strategy underlying muscle coordination in postural tasks.

The Comparison of a Virtual Reality Headset and Force plate to Investigate Human Postural Control (Preprint)

2020 ◽  
Author(s):  
Brian Sylcott ◽  
Chia-Cheng Lin ◽  
Keith Williams ◽  
Mark Hinderaker
Keyword(s):  
Virtual Reality ◽  
Postural Control ◽  
Postural Sway ◽  
Center Of Pressure ◽  
Low Cost ◽  
Intraclass Correlation ◽  
Force Plate ◽  
Retest Reliability ◽  
Position Data ◽  
Test Retest Reliability

BACKGROUND Accurately measuring postural sway is an important part of balance assessment and rehabilitation. While force plates give accurate measurements, their cost and space requirements make their use impractical in many situations. OBJECTIVE The work presented here is aimed at addressing this issue by validating a virtual reality (VR) headset as a relatively low-cost alternative for postural sway measurement. The HTC Vive (VR) headset has built-in sensors that allow for position and orientation tracking making it a potentially effective tool for balance assessments. METHODS Participants in this study were asked to stand upright on a force plate (Neurocom platform) while wearing the HTC ViveTM. Position data was collected from the headset and force plate simultaneously as participants experienced a custom-built VR environment that covered their entire field of view. The Intraclass Correlation Coefficient (ICC) was used to examined the test-retest reliability on the postural control variables, including normalized path length (NPL), root-mean-square (RMS), and peak-to-peak (P2P), computed from the VR position output and the center of pressure (COP) data from the force plate. Liner regression were used to investigate the correlation between the VR and force plate measurements. RESULTS Results showed that the test-retest reliability of VR headset was similar to COP in RMS and P2P, ranging from .285 to .636 in VR and .228 to .759. Linear regression between VR and COP measures showed significant correlation in RMS and P2P. CONCLUSIONS Based on our results, the VR headset has potential for use in postural control measurements. However, further development of software and testing protocols for balance assessments is needed.

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