19 papers · ranked by Valyu relevance
Sizhe An, Yiğit Tuncel, Toygun Başaklar, Gokul K. Krishnakumar + 2 more
'Ganapati Bhat' 'Ümit Y. Ogras'] Movement disorders, such as Parkinson's disease, affect more than 10 million people worldwide. Gait analysis is a critical step in the diagnosis and rehabilitation of these disorders. Specifically, step and stride lengths provide valuable insights into the gait quality and…
Ziad M. Haroun, Hoda M. Zakaria, Zizi M. Ibrahim, Osama R. Abdelraouf + 2 more
'Osama R. Abdelraouf' 'Aya A. Khalil' 'Marco Iosa'] Highlights What are the main findings?1. The utilization of smartphone applications to assess gait kinematics yields reliable data. 2. The ZAY angle is a valid and reliable angle that can be used to estimate individualized step lengths. What is the implication of the…
Zanru Yang, Le Chung Tran, Farzad Safaei, Anh Tuyen Le + 4 more
'Attaphongse Taparugssanagorn' 'Wenda Li' 'Yue Tian' 'Shelly Vishwakarma'] In this paper, human step length is estimated based on the wireless channel properties and the received signal strength indicator (RSSI) method. The path loss between two ankles, called the on-ankle path loss, is converted from the RSSI, which…
Jonathan B. Dingwell, Anna C. Render, David M. Desmet, Joseph P. Cusumano
People rarely walk in straight lines. Instead, we make frequent turns or other maneuvers. Spatiotemporal parameters fundamentally characterize gait. For straight walking, these parameters are well-defined for that task of walking on a straight path. Generalizing these concepts to non-straight walking, however, is not…
Jin-Woo Park, Seol-Hee Baek, Joo Hye Sung, Byung-Jo Kim + 2 more
'Antonio Suppa' 'Nicole Jaffrezic-Renault'] Step length is a critical hallmark of health status. However, few studies have investigated the modifiable factors that may affect step length. An exploratory, cross-sectional study was performed to evaluate the surface electromyography (sEMG) and body impedance analysis…
Seyed-Saleh Hosseini-Yazdi
Uneven terrain presents significant challenges for walkers, resulting in increased energy expenditures. Given that Center of Mass (COM) work reflects this energy demand, it's reasonable to assume that individuals also seek strategies to minimize mechanical work. One such strategy involves deciding between extending…
Assaf Zadka, Neta Rabin, Eran Gazit, Anat Mirelman + 9 more
Step length is an important diagnostic and prognostic measure of health and disease. Wearable devices can estimate step length continuously (e.g., in clinic or real-world settings), however, the accuracy of current estimation methods is not yet optimal. We developed machine-learning models to estimate step length based…
Parthipan Siva, Alexander Wong, Patricia Hewston, George Ioannidis + 4 more
'Jonathan D. Adachi' 'Alexander Rabinovich' 'Andrea Lee' 'Αλεξάνδρα Παπαϊωάννου'] With an aging population, numerous assistive and monitoring technologies are under development to enable older adults to age in place. To facilitate aging in place predicting risk factors such as falls, and hospitalization and providing…
Parthipan Siva, Alexander Wong, Patricia Hewston, George Ioannidis + 5 more
With an aging population, numerous assistive and monitoring technologies are under development to enable older adults to age in place. To facilitate aging in place, predicting risk factors such as falls and hospitalization and providing early interventions are important. Much of the work on ambient monitoring for risk…
Erik K. Henricson, Albara Ah Ramli
Accurate estimation of gait characteristics, including step length, step velocity, and travel distance, is critical for assessing mobility in toddlers, children and teens with Duchenne muscular dystrophy (DMD) and typically developing (TD) peers. This study introduces a novel method leveraging Fast Fourier Transform…
Alexandra Daub, Andreas Mayr, Boyao Zhang, Elisabeth Bergherr
Component-wise gradient boosting algorithms are popular for their intrinsic variable selection and implicit regularization, which can be especially beneficial for very flexible model classes. When estimating generalized additive models for location, scale and shape (GAMLSS) by means of a component-wise gradient…
Johannes Hoffmann, Erik Engelhardt, Moritz Boueke, Julius Welzel + 6 more
Step width is an important clinical motor marker for gait stability assessment. While laboratory-based systems can measure it with high accuracy, wearable solutions based on inertial measurement units do not directly provide spatial information such as distances. Therefore, we propose a magnetic estimation approach…
Emanuel Andrada, Oliver Mothes, Heiko Stark, Matthew C. Tresch + 3 more
'Joachim Denzler' 'Martin S. Fischer' 'Reinhard Blickhan'] Small cursorial birds display remarkable walking skills and can negotiate complex and unstructured terrains with ease. The neuromechanical control strategies necessary to adapt to these challenging terrains are still not well understood. Here, we analyzed the…
Authors not listed
Building on prior mathematical formulations of the periodic law, this paper demonstrates that the algebraic formula S(k) = 2 * (floor(k/2) + 1)^2 accurately predicts the period lengths (2, 8, 8, 18, 18, 32, ...) of the periodic table. This pattern is not a numerical coincidence but a direct consequence of the…
R. Elizabeth Carlisle, Arthur D. Kuo
Humans make a number of choices when they walk, such as how fast and for how long. The preferred steady walking speed seems chosen to minimize energy expenditure per distance traveled. But the speed of actual walking bouts is not only steady, but rather a time-varying trajectory, which can also be modulated by task…
Anna C. Render, Joseph P. Cusumano, Jonathan B. Dingwell
Most often, gait biomechanics is studied during straight-ahead walking. However, real-life walking imposes various lateral maneuvers people must navigate. Such maneuvers challenge people’s lateral balance and can induce falls. Determining how people regulate their stepping movements during such complex walking tasks is…
Shohei Watabe, M. Z. Serikow, Shiro Kawabata, A. M. Zagoskin
In order to model and evaluate large-scale quantum systems, e.g. quantum computer and quantum annealer, it is necessary to quantify the "quantumness" of such systems. In this paper, we discuss the dimensionless combinations of basic parameters of large, partially quantum coherent systems, which could be used to…
Robert J. Peterka, Apollonia Gruber-Fox, Paige K. Heeke
The goal of this study is to introduce and to motivate the use of new quantitative methods to improve our understanding of mechanisms that contribute to the control of dynamic balance during gait. Dynamic balance refers to the ability to maintain a continuous, oscillating center-of-mass (CoM) motion of the body during…
David M. Desmet, Joseph P. Cusumano, Jonathan B. Dingwell
To successfully traverse their environment, humans must often perform maneuvers to achieve desired task goals while simultaneously maintaining balance. Humans accomplish these tasks primarily by modulating their foot placements. As humans are more unstable laterally, we must better understand how humans modulate…