Article
Biophysics
Byung Chang Son, Yeongjeong Park, Jung Kab Choi, So Young Yoo, Sejin Park, Hyun Joong Kim, Ha Young Kim, Juhye Yook
Summary: The purpose of this study was to analyze and derive the static, dynamic, and muscle strength measurement items of amputees in Korea, considering their altered physical characteristics and functions, for the design of large-scale agricultural work equipment. The results showed statistically significant differences between men and women in most of the measurement items, indicating the need to consider gender differences in equipment design.
JOURNAL OF MECHANICS IN MEDICINE AND BIOLOGY
(2022)
Article
Computer Science, Artificial Intelligence
Xiaofang Zhao
Summary: With the rapid development of artificial intelligence applications, the practical value of robotic arms is becoming increasingly important. Traditional robotic arms face difficulties in adapting to unknown or changing environments, while robotic arm control systems based on multifeature video can solve this problem. This study built a multifeature video-based modular robotic arm motion device and verified its relevant performance through experiments.
NEURAL COMPUTING & APPLICATIONS
(2023)
Article
Medicine, General & Internal
Jaehwang Seol, Kicheol Yoon, Kwang Gi Kim
Summary: This study proposes a method for analyzing shoulder movements and measuring the rotation angle and range of motion using inverse kinematics. Through motion capture experiments, it was found that there were slight differences in ROM between males and females. This research contributes to the definition of domestic and international standardization of rehabilitation robots and motion capture.
Article
Clinical Neurology
Andre Tadeu Sugawara, Marcel Simis, Felipe Fregni, Linamara Rizzo Battistella
Summary: PLP is not a single symptom, but a combination of different sensations and perceptions that require a focused and guided medical history for accurate diagnosis. A total of 55 eligible patients were included in the study, with most being young male above-knee amputees in the preprosthetic phase of rehabilitation. The median PLP VAS was 60 (50-79.3) mm, with an average frequency of 3.94 (2.5-4.38) occurrences per week, and the most common descriptor was movement of the phantom limb (70.91%). Predictors for specific PLP descriptors include above-knee amputation, prosthetic phase, higher education level, and greater PLP intensity by VAS.
PAIN RESEARCH & MANAGEMENT
(2021)
Article
Chemistry, Analytical
Michelle Riffitts, Harold Cook, Michael McClincy, Kevin Bell
Summary: This study evaluated the capability of a smart instrumented knee brace system to monitor knee range of motion and velocity during knee rehabilitation exercises and an exergame. The results showed good agreement between the knee brace system and a reference optoelectronic system for all exercises performed. Participants were able to quickly learn and perform well in the exergame. The system has the potential to enable rehabilitation outside of the clinic through remote monitoring and improve adherence and outcomes through the use of an exergame.
Article
Chemistry, Analytical
Martyna Bialecka, Kacper Gruszczynski, Pawel Cisowski, Jakub Kaszynski, Cezary Baka, Przemyslaw Lubiatowski
Summary: The invention of inertial measurement units has made it possible to use sensors for human motion tracking that are more affordable than optical motion capture systems. However, there are factors that affect the accuracy of these sensors, such as calibration methods and fusion algorithms. This study aimed to test the accuracy of a single RSQ Motion sensor compared to an industrial robot and to investigate the impact of sensor calibration and angle magnitude on accuracy. The results showed that the RSQ Motion sensor was highly accurate, with a root-mean-square error below 0.15°, and that there was a correlation between sensor error and angle magnitude for the gyroscope and accelerometer calibrated sensor.
Article
Biotechnology & Applied Microbiology
Yingying Sun, Jinying Xu, Shuang Lv, Ziran Xu, Lisha Li, Yan Li, Yulin Li
Summary: Percutaneous osseointegrated prostheses have improved the quality of life for amputees, but maintenance remains challenging. Bone resorption and component breakage are major problems. A novel osseointegration implant was designed by changing the bone-implant contact area. The study found that the external implant induced intramedullary bone regeneration and increased cortical bone density.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2022)
Article
Chemistry, Analytical
Sagrario Perez-de la Cruz
Summary: This study established normative values for shoulder abduction range of motion and found no significant differences between sexes in terms of recovery from supraspinatus muscle injury. However, differences were observed in the stability and amount of weight required for rehabilitation in men and women.
Article
Clinical Neurology
Gabriella Musumeci, Marco D'Alonzo, Federico Ranieri, Emma Falato, Fioravante Capone, Francesco Motolese, Giovanni Di Pino, Vincenzo Di Lazzaro, Fabio Pilato
Summary: This study evaluated cortical circuits and excitability in the motor cortex of upper limb amputees, finding increased corticospinal excitability and preserved intracortical inhibition in trans-radial amputees, but not in trans-humeral amputees.
CLINICAL NEUROPHYSIOLOGY
(2023)
Article
Orthopedics
Michael A. Petrie, Eric B. Taylor, Manish Suneja, Richard K. Shields
Summary: Physical therapists develop patient-centered exercise prescriptions to address the various stressors in individuals' health. This report summarizes factors specific to spinal cord injury that need to be considered in precision prescription of muscle activity. It also presents a genomic and epigenomic analysis of muscle signaling pathways during different types of electrically induced exercise.
Article
Robotics
Nathaniel Dennler, Amelia Cain, Erica De Guzmann, Claudia Chiu, Carolee J. Winstein, Stefanos Nikolaidis, Maja J. Mataric
Summary: An often-observed phenomenon in survivors of hemispheric stroke is the overreliance on the less-affected limb for functional tasks, despite the recovered capacity of the paretic limb. To better quantify this arm nonuse, a bimanual arm reaching test with a robot (BARTR) was developed. The BARTR is a valid, reliable, and simple instrument for assessing arm nonuse in chronic stroke survivors.
Article
Rehabilitation
Quentin Hanot, Valerie Wieczorek, Marion Wypych, Francois Machuron, Andre Thevenon
Summary: The study assessed the test-retest reliability, sensitivity to change, and criterion validity of the Functional Evaluation in Thoracic Outlet Syndrome self-questionnaire. Results showed that the questionnaire had good reliability and sensitivity to change, making it a quick, simple tool for evaluating the impact of thoracic outlet syndrome on daily activities.
AMERICAN JOURNAL OF PHYSICAL MEDICINE & REHABILITATION
(2021)
Review
Biotechnology & Applied Microbiology
Xiangyu Liu, Di Zhang, Ke Miao, Yao Guo, Xinyu Jiang, Xi Zhang, Fumin Jia, Hao Tang, Chenyun Dai
Summary: This article systematically reviews the application of virtual technology for the prosthetic rehabilitation of upper limb amputees. It highlights the benefits of virtual technology in terms of usability, flexibility, psychological affinity, and long-term affordability, while also discussing challenges such as realism, closed-loop control, and multi-modality integration.
BIOENGINEERING-BASEL
(2023)
Article
Engineering, Geological
Andre Paixao, Jose Muralha, Ricardo Resende, Eduardo Fortunato
Summary: Photogrammetry-based methods have become an important alternative for measuring the roughness of rock joints. By properly evaluating various aspects, comparable results to traditional methods can be achieved. Comparisons between 3D models generated with different settings and a reference model showed comparable accuracy and roughness parameters. Additionally, this method is more accessible, user-friendly, faster to implement, and less expensive than most current equipment and approaches.
ROCK MECHANICS AND ROCK ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Koike Yuji, Okino Akihisa, Takeda Kazuhisa, Takanami Yasuhiro, Toyohiro Hamaguchi
Summary: Through comparing therapeutic motion techniques between therapists and students using an educational arm robot, this study found that students utilized higher peak velocity and shorter movement time compared to therapists, indicating the need for students to handle multiple muscle tone intensities and reduce joint movement speed when learning therapeutic motion techniques.
APPLIED SCIENCES-BASEL
(2021)
Article
Mathematics, Interdisciplinary Applications
Per Kragh Andersen, Anders Skrondal
LIFETIME DATA ANALYSIS
(2015)
Article
Health Care Sciences & Services
Nina Breinegaard, Sophia Rabe-Hesketh, Anders Skrondal
STATISTICAL METHODS IN MEDICAL RESEARCH
(2017)
Article
Mathematical & Computational Biology
Nina Breinegaard, Sophia Rabe-Hesketh, Anders Skrondal
STATISTICS IN MEDICINE
(2018)
Article
Biology
A. Skrondal, S. Rabe-Hesketh
Editorial Material
Public, Environmental & Occupational Health
Anders Skrondal
Article
Statistics & Probability
Anders Skrondal, Sophia Rabe-Hesketh
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES C-APPLIED STATISTICS
(2014)
Article
Public, Environmental & Occupational Health
Nina Gunnes, Hakon Kristian Gjessing, Inger Johanne Bakken, Sara Ghaderi, Jon Michael Gran, Olav Hungnes, Per Magnus, Sven Ove Samuelsen, Anders Skrondal, Camilla Stoltenberg, Lill Trogstad, Allen J. Wilcox, Siri Eldevik Haberg
EUROPEAN JOURNAL OF EPIDEMIOLOGY
(2020)
Article
Mathematics, Interdisciplinary Applications
Chen-Wei Liu, Bjorn Andersson, Anders Skrondal
Article
Mathematics, Interdisciplinary Applications
Brian Gin, Nicholas Sim, Anders Skrondal, Sophia Rabe-Hesketh
Article
Mathematics, Interdisciplinary Applications
Anders Skrondal, Sophia Rabe-Hesketh
Summary: This passage discusses the canonical use of conditional likelihoods in the Rasch model in psychometrics and explores a broader range of problems in psychometrics that can be addressed using conditional likelihoods. Specifically, it focuses on the issue of cluster-level endogeneity and the challenges it poses in various settings. Ignoring these challenges can result in severely inconsistent estimation.
Article
Mathematics, Interdisciplinary Applications
Feng Ji, Sophia Rabe-Hesketh, Anders Skrondal
Summary: This article introduces an approach called Ignorable likelihood (IL) for handling missing data in multivariate models. The IL approach estimates the likelihood based on all available data without specifying a model for the missing data mechanism, and inference is conducted using maximum likelihood or Bayesian methods. The article proposes two diagnostic tests, a likelihood-ratio test for heteroscedastic regression models and a kernel conditional independence test. The article also develops a test-based estimator that determines the type of MAR violation and utilizes data deletion accordingly. Simulations demonstrate that the test-based estimator outperforms IL when the missing data problem is severe.
Article
Mathematics, Interdisciplinary Applications
Sophia Rabe-Hesketh, Anders Skrondal
Summary: In many cases, we can ignore the missingness process without needing to adhere to the classical missing at random (MAR) assumption or other misconceptions of MAR.
Article
Education & Educational Research
Michael David Bates, Katherine E. Castellano, Sophia Rabe-Hesketh, Anders Skrondal
JOURNAL OF EDUCATIONAL AND BEHAVIORAL STATISTICS
(2014)
Article
Education & Educational Research
Katherine E. Castellano, Sophia Rabe-Hesketh, Anders Skrondal
JOURNAL OF EDUCATIONAL AND BEHAVIORAL STATISTICS
(2014)
Article
Economics
Sophia Rabe-Hesketh, Anders Skrondal