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International roadmap for artificial gravity research

Gilles Clément
2017 npj Microgravity  
In this paper, we summarize the current and future research activities that will determine the requirements for implementing artificial gravity (AG) to mitigate the effects of long duration exposure to  ...  It provides a framework that facilitates opportunities for collaboration using the full range of AG facilities that are available worldwide, and a forum for space physiologists, crew surgeons, astronauts  ...  This review is a product of the International Roadmap for Artificial Gravity Research Workshop, which was supported by NASA's Human Research Program.  ... 
doi:10.1038/s41526-017-0034-8 pmid:29184903 pmcid:PMC5701204 fatcat:4wcuhfluejhdjow4fc4exyozie

Artificial gravity as a countermeasure for mitigating physiological deconditioning during long-duration space missions

Gilles R. Clément, Angelia P. Bukley, William H. Paloski
2015 Frontiers in Systems Neuroscience  
Acknowledgments We would like to thank Carrie Gilder and Laura Taylor for editing the manuscript.  ...  Partial Gravity Simulators Another method for simulating partial gravity on Earth is through the use of body inclination or suspension techniques.  ...  Artificial gravity is an alternative approach to addressing the problems of weightlessness-induced effects on the human body.  ... 
doi:10.3389/fnsys.2015.00092 pmid:26136665 pmcid:PMC4470275 fatcat:q5dkdglwonhjhprz67a6mguypa

Some Considerations Concerning The Modelling Of The Human Body Locomotor Rehabilitation System

Diana L. Cotoros, Mihaela I. Baritz
2009 ECMS 2009 Proceedings edited by J. Otamendi, A. Bargiela, J. L. Montes, L. M. Doncel Pedrera  
Thus, in the first part of the paper, we analyzed theoretical aspects connected to the human body biomechanics but also to the bipedal stability.  ...  In this paper the research team presents some aspects concerning the modelling of a kineto -therapeutic system for human body rehabilitation, when a locomotor disfunctionality occurred.  ...  ACKNOWLEDGMENTS Researches are part of Grant A1088, Grant PNII-Idei 722 and 744 with CNCSIS Romania and the investigations were developed using equipment belonging to the Research Platform "SAVAT", University  ... 
doi:10.7148/2009-0359-0364 dblp:conf/ecms/CotorosB09 fatcat:2bqfremk4fawthkjkxiv7e4gpe

The Virtual Pole: Exploring Human Responses to Fear of Heights in Immersive Virtual Environments

Myungho Lee, Gerd Bruder, Greg Welch
2019 Journal of Virtual Reality and Broadcasting  
We discuss the results and provide guidelines for simulations aimed at evoking fear of heights responses in IVEs.  ...  In this paper, we present an experimental setup which we call the virtual pole, in which we evaluated human responses to fear of heights.  ...  The work presented in this publication was supported in part by the Office of Naval Research (ONR) Code 30 under Dr.  ... 
doi:10.20385/1860-2037/14.2017.6 fatcat:ynkc2nvezfejhfmq7nnhegey2e

A knowledge discovery in motion sickness: A comprehensive literature review

Afsaneh Koohestani, Darius Nahavandi, Houshyar Asadi, Parham M. Kebria, Abbas Khosravi, Roohallah Alizadehsani, Saeid Nahavandi
2019 IEEE Access  
Motion sickness is a common perturbation experienced by humans in response to motion stimuli.  ...  To provide insights upon physiological changes in regards to motion sickness, researchers have used subjects from different ages, gender in addition to electrode positions and environmental conditions.  ...  The vestibular system, which is known as the sixth sense of humans, has three main functions: • Detection of motion in different directions is responsible for the feeling of motion and spatial orientation  ... 
doi:10.1109/access.2019.2922993 fatcat:6cdyqclyvfc2bgtdpbaucrcwwi

The Computer Virtual Reality Technology in the Application of Sports Training

Yan Jun Chang
2013 Applied Mechanics and Materials  
of Virtual reality technology :Calibration system posting signs to the tester Motion tracks capture the analysis of Collection of data.Discuss the virtual reality technologys effect and composition in  ...  ,and the dynamic environment to the users attitude and language command could make a real-time response, making the user and the simulation environment to build up a real-time interactive relationship.  ...  the geometric model of human body,and part of the joint motion curves [2] .  ... 
doi:10.4028/www.scientific.net/amm.380-384.1847 fatcat:sm4zstgxcfcodmhwctvao4ayy4

Thermal physiological response to local heating and cooling during sleep

Yu Hibino, Shuichi Hokoi, Katsuaki Yoshida, Satoru Takada, Masanori Nakajima, Miho Yamate
2012 Frontiers of Architectural Research  
Differences in the fluctuation of body temperature and sleep stage depended on the airflow direction from the duct to the feet.  ...  We performed this study to identify the most effective thermal environment for inducing comfortable sleep by identifying the physiological responses during sleep on the basis of sleep experiments conducted  ...  Analysis of physiological response during sleep using a human thermal model Outline of human thermal model The human thermal model used in this study was originally proposed by Stolwijk and Hardy (1966  ... 
doi:10.1016/j.foar.2012.02.005 fatcat:iwhwx5sb4bhrdp7p3bn4tudwsq

Musculoskeletal modeling and humanoid control of robots based on human gait data

Jun Yu, Shuaishuai Zhang, Aihui Wang, Wei Li, Lulu Song
2021 PeerJ Computer Science  
Second, accurate human-like motion analysis on the three-dimensional motion data obtained in these processes is discussed.  ...  In order to improve the rehabilitation treatment, various studies based on human dynamics and motion mechanisms are still being conducted to create more effective rehabilitation training.  ...  They assisted us in completing the work of gait data collection from October 28th to 30th, 2020. With their help, we completed this paper.  ... 
doi:10.7717/peerj-cs.657 pmid:34458572 pmcid:PMC8372000 fatcat:2g3tbbhk2bdendjipcm5n7bxfi

Stability in a frontal plane model of balance requires coupled changes to postural configuration and neural feedback control

Jeffrey T. Bingham, Julia T. Choi, Lena H. Ting
2011 Journal of Neurophysiology  
We present a frontal plane model stabilized by delayed feedback to analyze the effects of altered stance width on postural responses to perturbations.  ...  Furthermore, due to sensorimotor delays and increased leverage of hip joint torque on center-of-mass motion, the magnitudes of the stabilizing delayed feedback gains decreased as stance width increased  ...  Frontal Plane Model of Balance To simulate and analyze frontal plane motion of an adult human, we modeled the body segments as a four-bar linkage and the neural control as delayed position and velocity  ... 
doi:10.1152/jn.00010.2011 pmid:21543754 pmcid:PMC3129728 fatcat:dt3d6xkrpbeaxgs4syg6pyvily

Resistance Exercise Machine within Lower Body Negative Pressure for Counteracting Effects of Microgravity

Christine M. Dailey, Charles Reinholtz, Thais Russomano, Michael Schuette, Rafael Baptista, Rodrigo Cambraia
2014 Gravitational and space research : publication of the American Society for Gravitational and Space Research  
The largest single-leg forces during resistance exercise are 1.16 BW (232 lbs) during supine position when γ, the angle between the horizontal and the ground pivot on the right side of the mechanism, equals  ...  Resistance exercise, coupled with lower body negative pressure (LBNP), has been shown to be effective in counteracting some of the deconditioning related problems.  ...  ACKNOWLEDGEMENTS This study was conducted under the partnership of Embry-Riddle Aeronautical University, USA and Pontifícia Universidade do Rio Grande do Sul, Brazil and was supported by Fund for the Improvement  ... 
doi:10.2478/gsr-2014-0008 fatcat:kbag7sgvdzfmrlzonqd2qlzfuu

Observation of Static Pictures of Dynamic Actions Enhances the Activity of Movement-Related Brain Areas

Alice Mado Proverbio, Federica Riva, Alberto Zani, Bernhard Baune
2009 PLoS ONE  
The aim of this study was to investigate the time course and neural correlates of perception of implied motion, by presenting 260 pictures of human actions differing in degrees of dynamism and muscular  ...  Principal Findings: Our results indicate that even when the stimulus shows no explicit motion, observation of static photographs of human actions with implied motion produces a clear increase in cortical  ...  Performed the experiments: FR. Analyzed the data: FR AZ. Wrote the paper: AMP. Helped with swLORETA source reconstruction: AZ.  ... 
doi:10.1371/journal.pone.0005389 pmid:19421311 pmcid:PMC2671843 fatcat:7jorrthqjzde3jl3rr76hkqihq

Experimental and Numerical Study of Cervical Muscle Contraction in Frontal Impact

Zhenhai Gao, Zhao Li, Hongyu Hu, Fei Gao
2019 Automotive Innovation  
The purpose of the current study was to investigate the response and effect of drivers' cervical muscles in a frontal impact.  ...  A crash scenario was developed using a vehicle driving simulator, and 10 volunteers were employed to drive the simulator at 20 km/h, 50 km/h, 80 km/h and 100 km/h.  ...  Compliance with Ethical Standards Conflict of interest On behalf of all the authors, the corresponding author states that there is no conflict of interest.  ... 
doi:10.1007/s42154-019-00060-6 fatcat:ulve553nc5ecvd7yorpyvvqdte

Realistic Facial Expression of Virtual Human Based on Color, Sweat, and Tears Effects

Mohammed Hazim Alkawaz, Ahmad Hoirul Basori, Dzulkifli Mohamad, Farhan Mohamed
2014 The Scientific World Journal  
The effects of oxygenation of the facial skin color appearance are measured using the pulse oximeter system and the 3D skin analyzer.  ...  Fluid effects such as sweat and tears are simulated using the particle system and smoothed-particle hydrodynamics (SPH) methods which are combined with facial animation technique to produce complex facial  ...  Acknowledgments This research is funded through the Research Management Center (RMC) of Universiti Teknologi Malaysia (UTM), Department of Informatics Engineering, Institut Teknologi Sepuluh Nopember Surabaya  ... 
doi:10.1155/2014/367013 pmid:25136663 pmcid:PMC4127249 fatcat:54uatynrvvbghjqh4t2c7qo4ne

Thermodynamic assessment of human–thermal environment interaction

S. Boregowda, R. Handy, W. Hutzel
2008 International Journal of Design & Nature  
The human thermal responses due to different ambient conditions are obtained using data from an earlier experimental study.  ...  It is based on the second-law analysis of an open system in which human elements are combined with the environmental variables to form a holistic model of humanenvironmental interaction.  ...  In order to validate OTCI, human thermal responses were obtained by conducting a series of computer simulations using a human thermal model developed by Smith [6] and Fu [7] under different conditions  ... 
doi:10.2495/jdn-v2-n4-310-318 fatcat:do6af5rz7rhfflsoeif6xxpacu

The Effects of Hypergravity and Microgravity on Biomedical Experiments

Thais Russomano
2008 Synthesis Lectures on Biomedical Engineering  
Knowing the effects of hypergravity on the human body during high-speed flight led to the development of human centrifuges.  ...  In the aerospace environment, human, animal, and plant physiology differs significantly from that on Earth, and this book provides reasons for some of these changes.  ...  Four different test models were used to simulate the effects of +1.5Gz and +7Gz on human physiology, including the cardiovascular and musculoskeletal systems.  ... 
doi:10.2200/s00105ed1v01y200801bme018 fatcat:di4oa4gumrbqppmocd3tvqmari
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