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Journal articles on the topic 'Xsens system'

Author: Grafiati

Published: 2 July 2021

Last updated: 14 February 2022

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1

Slawinski, Jean, Benjamin Millot, Nicolas Houel, and Daniel Dinu. "Use of an Inertial Measurement System to Calculate Maximal Power during Running Sprint Acceleration: Comparison with the Radar System." Proceedings 49, no. 1 (2020): 23. http://dx.doi.org/10.3390/proceedings2020049023.

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The maximal total power (Pmax) is one of the major determinants of sprint performance. It can be calculated using a simple model based on the runner’s velocity. This velocity has already been measured with force plates, video cameras or a radar system, but not with an inertial system. The purpose of this study was to compare Pmax measured with a radar system and with a multiple inertial sensors system. Seven participants (174.0 ± 6.9 cm; 67.7 ± 10.1 kg; 22.3 ± 1.7 years) realized two maximal 40-m sprints. Each athlete was equipped with an instrumented suit composed of 17 inertial measurement u

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Drapeaux, Alisa, and Kevin Carlson. "A Comparison of Inertial Motion Capture Systems: DorsaVi and Xsens." International Journal of Kinesiology and Sports Science 8, no. 3 (2020): 24. http://dx.doi.org/10.7575/aiac.ijkss.v.8n.3p.24.

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Background: dorsaVi Professional Suite, founded in 2018, is a 3D wearable sensor technology system that monitors the kinematic data of the lower extremity and lumbar spine. The dorsaVi system is used in the clinical setting to assist with clinical rehabilitation and preventive measures. Objective: The purpose of this study was to compare the inertial motion capture systems: the dorsaVi Professional Suite and Xsens to determine validity and reliability. Methods: This study utilized nine participants (7 female, 2 male) with data collected on two separate sessions. Each subject performed 15 repet

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Barreto, Joana, César Peixoto, Sílvia Cabral, et al. "Concurrent Validation of 3D Joint Angles during Gymnastics Techniques Using Inertial Measurement Units." Electronics 10, no. 11 (2021): 1251. http://dx.doi.org/10.3390/electronics10111251.

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There are advantages in using inertial measurement unit systems (IMUS) for biomechanical analysis when compared to 2D/3D video-based analysis. The main advantage is the ability to analyze movement in the natural performance environment, preserving the ecological validity of the task. Coaches can access accurate and detailed data in real time and use it to optimize feedback and performance. Efforts are needed to validate the accuracy of IMUS. We assess the accuracy of the IMUS Xsens MVN Link system using an optoelectronic system (OS) as a reference when measuring 3D joint angles during the gymn

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Poitras, Isabelle, Mathieu Bielmann, Alexandre Campeau-Lecours, Catherine Mercier, Laurent J. Bouyer, and Jean-Sébastien Roy. "Validity of Wearable Sensors at the Shoulder Joint: Combining Wireless Electromyography Sensors and Inertial Measurement Units to Perform Physical Workplace Assessments." Sensors 19, no. 8 (2019): 1885. http://dx.doi.org/10.3390/s19081885.

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Background: Workplace adaptation is the preferred method of intervention to diminish risk factors associated with the development of work-related shoulder disorders. However, the majority of the workplace assessments performed are subjective (e.g., questionnaires). Quantitative assessments are required to support workplace adaptations. The aims of this study are to assess the concurrent validity of inertial measurement units (IMUs; MVN, Xsens) in comparison to a motion capture system (Vicon) during lifting tasks, and establish the discriminative validity of a wireless electromyography (EMG) sy

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Chung, W. M., S. Yeung, W. W. Chan, and R. Lee. "Validity of VICON Motion Analysis System for Upper Limb Kinematic MeasuremeNT – A Comparison Study with Inertial Tracking Xsens System." Hong Kong Physiotherapy Journal 29, no. 2 (2011): 97. http://dx.doi.org/10.1016/j.hkpj.2011.08.015.

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Blair, Stephanie, Sam Robertson, Grant Duthie, and Kevin Ball. "Biomechanics of accurate and inaccurate goal-kicking in Australian football: Group-based analysis." PLOS ONE 15, no. 11 (2020): e0241969. http://dx.doi.org/10.1371/journal.pone.0241969.

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Goal-kicking is an important skill in Australian Football (AF). This study examined whether kinematic differences exist between accurate and inaccurate goal-kicks and determined the relationships between technical factors and accuracy. Eighteen elite to sub-elite AF players performed 15 x 30 m goal-kicks on an AF training ground, with three-dimensional kinematics collected using the Xsens inertial measurement system (Xsens Technologies B.V., Enschede, the Netherlands). A general linear mixed modelling approach and regression-based statistics were employed to quantify differences between accura

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Santos, Joana, Ana Betty Abreu, Pedro Fonseca, et al. "Influence of automation on biomechanical exposure of the upper-limbs in an industrial assembly line: a pilot study." International Journal of Occupational and Environmental Safety 4, no. 2 (2020): 1–11. http://dx.doi.org/10.24840/2184-0954_004.002_0001.

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Automation of assembly work was originally developed to increase operation efficiency and to reduce workload. However, a considerable number of unanticipated ergonomic problems have been observed such as the interaction between humans and automated systems. The aims of this study were to quantify joint angle positions (shoulder, elbow and wrist) of workers in two assembly lines with different mechanization levels and analyse the performance of an inertial motion capture system. Seven experienced female assemblers participated in this study. The measurements were performed in the workplace with

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Loose, Harald, and Katja Orlowski. "Model Based Determination of Gait Parameters Using IMU Sensor Data." Solid State Phenomena 251 (July 2016): 61–67. http://dx.doi.org/10.4028/www.scientific.net/ssp.251.61.

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The paper deals with the determination of gait parameters using inertial measurement units (IMU). An IMU sensor incorporates three microelectromechanical sensors - triple-axis gyroscope, accelerometer and magnetometer. A standard experimental setup for the observation of the locomotion system using seven Xsens MTw sensors was developed. They are applied to the lower limbs and the pelvis of the subject. The synchronization of data from all sensor components (gyroscope, accelerometer and magnetometer) as well as the onboard estimation of the orientation is provided by the Xsens and Adwinda hard-

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Uradzinski, Marcin, and Hang Guo. "Pedestrian navigation system based on the inertial measurement unit sensor for outdoor and indoor environments." Journal of Sensors and Sensor Systems 9, no. 1 (2020): 7–13. http://dx.doi.org/10.5194/jsss-9-7-2020.

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Abstract. With the continuous improvement of the hardware level of the inertial measurement unit (IMU), indoor pedestrian dead reckoning (PDR) using an inertial device has been paid more and more attention. Typical PDR system position estimation is based on acceleration obtained from accelerometers to measure the step count, estimate step length and generate the position with the heading received from angular sensors (magnetometers and gyroscopes). Unfortunately, collected signals are very responsive to the alignment of sensor devices, built-in instrumental errors and distortions from the surr

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Elmezayen, Abdelsatar, and Ahmed El-Rabbany. "Ultra-Low-Cost Tightly Coupled Triple-Constellation GNSS PPP/MEMS-Based INS Integration for Land Vehicular Applications." Geomatics 1, no. 2 (2021): 258–87. http://dx.doi.org/10.3390/geomatics1020015.

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The rapid rise of ultra-low-cost dual-frequency GNSS chipsets and micro-electronic-mechanical-system (MEMS) inertial sensors makes it possible to develop low-cost navigation systems, which meet the requirements for many applications, including self-driving cars. This study proposes the use of a dual-frequency u-blox F9P GNSS receiver with xsens MTi670 industrial-grade MEMS IMU to develop an ultra-low-cost tightly coupled (TC) triple-constellation GNSS PPP/INS integrated system for precise land vehicular applications. The performance of the proposed system is assessed through comparison with th

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Mavor, Matthew P., Gwyneth B. Ross, Allison L. Clouthier, Thomas Karakolis, and Ryan B. Graham. "Validation of an IMU Suit for Military-Based Tasks." Sensors 20, no. 15 (2020): 4280. http://dx.doi.org/10.3390/s20154280.

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Investigating the effects of load carriage on military soldiers using optical motion capture is challenging. However, inertial measurement units (IMUs) provide a promising alternative. Our purpose was to compare optical motion capture with an Xsens IMU system in terms of movement reconstruction using principal component analysis (PCA) using correlation coefficients and joint kinematics using root mean squared error (RMSE). Eighteen civilians performed military-type movements while their motion was recorded using both optical and IMU-based systems. Tasks included walking, running, and transitio

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Yoshida, Yasuyuki, Arunas Bizokas, Katusha Demidova, Shinichi Nakai, Rie Nakai, and Takuichi Nishimura. "Partnering Effects on Joint Motion Range and Step Length in the Competitive Waltz Dancers." Journal of Dance Medicine & Science 24, no. 4 (2020): 168–74. http://dx.doi.org/10.12678/1089-313x.24.4.168.

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Competitive dance, also known as DanceSport, is one of the official sports of the World Games. The most salient characteristic of ballroom dance is the closed-hold position, during which the upper body segments of partner-dancers are linked. This study aimed to investigate partnering effects on joint motion ranges of the lower extremity and step lengths during the waltz in 13 national level competitive dance couples and a world champion couple. A Xsens MVN system was used to record movement at 240 Hz. Solo and pair conditions were examined. Compared with the highly skilled couples, the world c

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Pandey, Gaurav, James R. McBride, and Ryan M. Eustice. "Ford Campus vision and lidar data set." International Journal of Robotics Research 30, no. 13 (2011): 1543–52. http://dx.doi.org/10.1177/0278364911400640.

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In this paper we describe a data set collected by an autonomous ground vehicle testbed, based upon a modified Ford F-250 pickup truck. The vehicle is outfitted with a professional (Applanix POS-LV) and consumer (Xsens MTi-G) inertial measurement unit, a Velodyne three-dimensional lidar scanner, two push-broom forward-looking Riegl lidars, and a Point Grey Ladybug3 omnidirectional camera system. Here we present the time-registered data from these sensors mounted on the vehicle, collected while driving the vehicle around the Ford Research Campus and downtown Dearborn, MI, during November–Decembe

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Fraeulin, Laura, Fabian Holzgreve, Mark Brinkbäumer, et al. "Intra- and inter-rater reliability of joint range of motion tests using tape measure, digital inclinometer and inertial motion capturing." PLOS ONE 15, no. 12 (2020): e0243646. http://dx.doi.org/10.1371/journal.pone.0243646.

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Background In clinical practice range of motion (RoM) is usually assessed with low-cost devices such as a tape measure (TM) or a digital inclinometer (DI). However, the intra- and inter-rater reliability of typical RoM tests differ, which impairs the evaluation of therapy progress. More objective and reliable kinematic data can be obtained with the inertial motion capture system (IMC) by Xsens. The aim of this study was to obtain the intra- and inter-rater reliability of the TM, DI and IMC methods in five RoM tests: modified Thomas test (DI), shoulder test modified after Janda (DI), retroflexi

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Scataglini, Sofia, Stijn Verwulgen, Eddy Roosens, Robby Haelterman, and Damien Van Tiggelen. "Measuring Spatiotemporal Parameters on Treadmill Walking Using Wearable Inertial System." Sensors 21, no. 13 (2021): 4441. http://dx.doi.org/10.3390/s21134441.

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This study aims to measure and compare spatiotemporal gait parameters in nineteen subjects using a full wearable inertial mocap system Xsens (MVN Awinda, Netherlands) and a photoelectronic system one-meter OptoGaitTM (Microgait, Italy) on a treadmill imposing a walking speed of 5 km/h. A total of eleven steps were considered for each subject constituting a dataset of 209 samples from which spatiotemporal parameters (SPT) were calculated. The step length measurement was determined using two methods. The first one considers the calculation of step length based on the inverted pendulum model, whi

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Di Paolo, Stefano, Nicola Francesco Lopomo, Francesco Della Villa, et al. "Rehabilitation and Return to Sport Assessment after Anterior Cruciate Ligament Injury: Quantifying Joint Kinematics during Complex High-Speed Tasks through Wearable Sensors." Sensors 21, no. 7 (2021): 2331. http://dx.doi.org/10.3390/s21072331.

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The aim of the present study was to quantify joint kinematics through a wearable sensor system in multidirectional high-speed complex movements used in a protocol for rehabilitation and return to sport assessment after Anterior Cruciate Ligament (ACL) injury, and to validate it against a gold standard optoelectronic marker-based system. Thirty-four healthy athletes were evaluated through a full-body wearable sensor (MTw Awinda, Xsens) and a marker-based optoelectronic (Vicon Nexus, Vicon) system during the execution of three tasks: drop jump, forward sprint, and 90° change of direction. Clinic

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Wang, Qiuying, Kaiyue Liu, Zhiguo Sun, Muchun Cai, and Ming Cheng. "Research on the Heading Calibration for Foot-Mounted Inertial Pedestrian-Positioning System Based on Accelerometer Attitude." Electronics 8, no. 12 (2019): 1405. http://dx.doi.org/10.3390/electronics8121405.

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Foot-mounted inertial pedestrian positioning (FIPP) plays an important role for facilitating pedestrian activities. It is suitable for indoor environment applications where global navigation satellite systems are unavailable such as during firefighting and military actions. However, the positioning error of FIPP can increase rapidly due to the measurement noise of the sensors. Zero Velocity Update (ZUPT) is an error correction method proposed to solve this accumulative error. However, the heading misalignment angle, which results in a continuous increase in the positioning error, cannot be est

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De Baets, Liesbet, Stefanie Vanbrabant, Carl Dierickx, Rob van der Straaten, and Annick Timmermans. "Assessment of Scapulothoracic, Glenohumeral, and Elbow Motion in Adhesive Capsulitis by Means of Inertial Sensor Technology: A Within-Session, Intra-Operator and Inter-Operator Reliability and Agreement Study." Sensors 20, no. 3 (2020): 876. http://dx.doi.org/10.3390/s20030876.

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Adhesive capsulitis (AC) is a glenohumeral (GH) joint condition, characterized by decreased GH joint range of motion (ROM) and compensatory ROM in the elbow and scapulothoracic (ST) joint. To evaluate AC progression in clinical settings, objective movement analysis by available systems would be valuable. This study aimed to assess within-session and intra- and inter-operator reliability/agreement of such a motion capture system. The MVN-Awinda® system from Xsens Technologies (Enschede, The Netherlands) was used to assess ST, GH, and elbow ROM during four tasks (GH external rotation, combing ha

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Valencia-Jimenez, Nicolas, Arnaldo Leal-Junior, Leticia Avellar, et al. "A Comparative Study of Markerless Systems Based on Color-Depth Cameras, Polymer Optical Fiber Curvature Sensors, and Inertial Measurement Units: Towards Increasing the Accuracy in Joint Angle Estimation." Electronics 8, no. 2 (2019): 173. http://dx.doi.org/10.3390/electronics8020173.

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This paper presents a comparison between a multiple red green blue-depth (RGB-D) vision system, an intensity variation-based polymer optical fiber (POF) sensor, and inertial measurement units (IMUs) for human joint angle estimation and movement analysis. This systematic comparison aims to study the trade-off between the non-invasive feature of a vision system and its accuracy with wearable technologies for joint angle measurements. The multiple RGB-D vision system is composed of two camera-based sensors, in which a sensor fusion algorithm is employed to mitigate occlusion and out-range issues

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Islam, Riasat, Mohamed Bennasar, Kevin Nicholas, et al. "A Nonproprietary Movement Analysis System (MoJoXlab) Based on Wearable Inertial Measurement Units Applicable to Healthy Participants and Those With Anterior Cruciate Ligament Reconstruction Across a Range of Complex Tasks: Validation Study." JMIR mHealth and uHealth 8, no. 6 (2020): e17872. http://dx.doi.org/10.2196/17872.

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Background Movement analysis in a clinical setting is frequently restricted to observational methods to inform clinical decision making, which has limited accuracy. Fixed-site, optical, expensive movement analysis laboratories provide gold standard kinematic measurements; however, they are rarely accessed for routine clinical use. Wearable inertial measurement units (IMUs) have been demonstrated as comparable, inexpensive, and portable movement analysis toolkits. MoJoXlab has therefore been developed to work with generic wearable IMUs. However, before using MoJoXlab in clinical practice, there

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Bistrov, Vadim. "Performance Analysis of Alignment Process of MEMS IMU." International Journal of Navigation and Observation 2012 (November 12, 2012): 1–11. http://dx.doi.org/10.1155/2012/731530.

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The procedure of determining the initial values of the attitude angles (pitch, roll, and heading) is known as the alignment. Also, it is essential to align an inertial system before the start of navigation. Unless the inertial system is not aligned with the vehicle, the information provided by MEMS (microelectromechanical system) sensors is not useful for navigating the vehicle. At the moment MEMS gyroscopes have poor characteristics and it’s necessary to develop specific algorithms in order to obtain the attitude information of the object. Most of the standard algorithms for the attitude esti

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Uhlár, Ádám, Mira Ambrus, Márton Kékesi, et al. "Kinect Azure–Based Accurate Measurement of Dynamic Valgus Position of the Knee—A Corrigible Predisposing Factor of Osteoarthritis." Applied Sciences 11, no. 12 (2021): 5536. http://dx.doi.org/10.3390/app11125536.

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(1) Dynamic knee valgus is a predisposing factor for anterior cruciate ligament rupture and osteoarthritis. The single-leg squat (SLS) test is a widely used movement pattern test in clinical practice that helps to assess the risk of lower-limb injury. We aimed to quantify the SLS test using a marker-less optical system. (2) Kinect validity and accuracy during SLS were established by marker-based OptiTrack and MVN Xsens motion capture systems. Then, 22 individuals with moderate knee symptoms during sports activities (Tegner > 4, Lysholm > 60) performed SLS, and this was recorded and analy

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Schall, Mark, Rong Huangfu, Sean Gallagher, Jerry Davis, Richard Sesek, and Claudia Escobar. "Application of Inertial Measurement Units to Assess Vehicle Ingress and Egress Characteristics." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 60, no. 1 (2016): 855. http://dx.doi.org/10.1177/1541931213601195.

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The increasing number of elderly and overweight drivers in the United States has necessitated that vehicle manufacturers develop automobiles that accommodate these changing demographics. While digital human models have been successfully used to simulate human vehicle interaction (Chaffin, 2005; Ozsoy et al., 2015; Yang et al., 2007), the variability in ingress and egress procedures among drivers with different physical attributes poses a unique challenge to developing accurate models. The objective of this study was to apply inertial measurement units (IMUs) to compare ingress and egress chara

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Gandy, E. A., A. Bondi, T. M. C. Pigott, G. Smith, and S. McDonald. "Investigation of the use of inertial sensing equipment for the measurement of hip flexion and pelvic rotation in horse riders." Comparative Exercise Physiology 14, no. 2 (2018): 99–110. http://dx.doi.org/10.3920/cep170023.

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Equestrian sports report three to five times higher incidence rates for lower back pain than that of the general population, with hip flexion angles of 50-60° suggested as a causal factor. Inertial motion capture technology enables dynamic measurement of rider kinematics but data extraction is time-consuming. The aim of this study was to develop a software tool to automate the process of extracting biomechanical data from the Xsens™ MVN (MoCap) system to investigate postural changes in riders, comparing static position at halt with dynamic position during the sit phase of rising trot. The soft

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Makaruk, Hubert, Andrzej Mastalerz, Marcin Starzak, and Mariusz Buszta. "The Influence of Different Training Conditions on the Kinematics of Long Jump-Specific Exercise in Young Female Jumpers." Polish Journal of Sport and Tourism 22, no. 4 (2015): 241–46. http://dx.doi.org/10.1515/pjst-2015-0032.

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Abstract Introduction. This study examined the changes in the kinematic parameters of long jump-specific technical exercise performed in different training conditions. Material and methods. The study involved a group of young female athletes who volunteered to participate in the research. The key variables for long jump performance were measured using the Xsens MVN system. A three-way ANOVA (general linear model with repeated measures; factors: surface × hurdle × number of jumps) was used to determine if significant differences existed between the testing conditions. Results. The main finding

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Slawinski, Jean, Julien Louis, Julien Poli, Eve Tiollier, Charles Khazoom, and Daniel Dinu. "The Effects of Repeated Sprints on the Kinematics of 3-Point Shooting in Basketball." Journal of Human Kinetics 62, no. 1 (2018): 5–14. http://dx.doi.org/10.1515/hukin-2017-0156.

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AbstractFatigue modifies the kinematics of various sports-related movements. Basketball induces fatigue, however, the effects of fatigue on the kinematics of shooting have never been studied. This study analysed the effects of fatigue induced by repeated sprints on the kinematics of 3-point shooting (3PS) in young, elite basketball players (U18 level). 3D joint angles were calculated at the maximum and minimum heights of the centre of mass during 3PS, using inertial measurement units (Biomech system, Xsens Technologies BV, Enschede, The Netherlands). Height, velocity and the angle of the ball

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Kutilek, Patrik, Zdenek Svoboda, Ondrej Cakrt, Karel Hana, and Martin Chovanec. "Postural Stability Evaluation of Patients Undergoing Vestibular Schwannoma Microsurgery Employing the Inertial Measurement Unit." Journal of Healthcare Engineering 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/2818063.

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The article focuses on a noninvasive method and system of quantifying postural stability of patients undergoing vestibular schwannoma microsurgery. Recent alternatives quantifying human postural stability are rather limited. The major drawback is that the posturography system can evaluate only two physical quantities of body movement and can be measured only on a transverse plane. A complex movement pattern can be, however, described more precisely while using three physical quantities of 3-D movement. This is the reason why an inertial measurement unit (Xsens MTx unit), through which we obtai

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Khedr, Maan, and Naser El-Sheimy. "S-PDR: SBAUPT-Based Pedestrian Dead Reckoning Algorithm for Free-Moving Handheld Devices." Geomatics 1, no. 2 (2021): 148–76. http://dx.doi.org/10.3390/geomatics1020010.

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Mobile location-based services (MLBS) are attracting attention for their potential public and personal use for a variety of applications such as location-based advertisement, smart shopping, smart cities, health applications, emergency response, and even gaming. Many of these applications rely on Inertial Navigation Systems (INS) due to the degraded GNSS services indoors. INS-based MLBS using smartphones is hindered by the quality of the MEMS sensors provided in smartphones which suffer from high noise and errors resulting in high drift in the navigation solution rapidly. Pedestrian dead recko

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Ernest, Kristin M., Tyler Davis, and Eric L. Dugan. "CHANGES IN DUAL-TASK GAIT VELOCITY COST FOLLOWING CONCUSSION." Orthopaedic Journal of Sports Medicine 9, no. 7_suppl3 (2021): 2325967121S0009. http://dx.doi.org/10.1177/2325967121s00097.

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Background: Changes in gait velocity have been identified in the literature between concussed and non-concussed individuals. Concussed patients demonstrate slower gait speed; the gait velocity cost has not been evaluated as extensively. Hypothesis: Hypothesis 1: Dual-task gait velocity cost will decrease at time of clearance compared to initial testing. Hypothesis 2: Subjects with a SRC will demonstrate greater decreases in gait velocity costs than those with non-SRC. Hypothesis 3: Symptom severity will be positively correlated to dual-task gait costs within the first 5 days after concussion.

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Bondarchuk, E. V., A. G. Merkulova, and S. A. Kalinina. "The possibility of using inertial motion capture systems to solve problems of labor physiology." Russian Journal of Occupational Health and Industrial Ecology 60, no. 11 (2020): 734–37. http://dx.doi.org/10.31089/1026-9428-2020-60-11-734-737.

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Introduction. Improving the ergonomics of the workplace, preventing the development of fatigue and diseases of the musculoskeletal system are relevant for workers in all spheres of the modern economy. The physiology of labor is engaged in solving these issues, one of the tasks of which is to conduct an ergonomic analysis, which includes determining the severity of the labor process and determining the rationality of working postures. The search for and approbation of modern methods of increasing the objectivity and reliability of research carried out in production is an urgent direction in lab

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Maurer-Grubinger, Christian, Jasmin Haenel, Laura Fraeulin, et al. "The Movement Profile of Habitual Vacuuming as a Cyclic Movement—A Pilot Study." International Journal of Environmental Research and Public Health 17, no. 23 (2020): 8793. http://dx.doi.org/10.3390/ijerph17238793.

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Background: Vacuum cleaning, which is associated with musculoskeletal complaints, is frequently carried out in private households and by professional cleaners. The aim of this pilot study was to quantify the movements during habitual vacuuming and to characterize the movement profile with regard to its variability. Methods: The data were collected from 31 subjects (21 f/10 m) using a 3D motion analysis system (XSens). Eight vacuum cleaners were used to vacuum polyvinyl chloride (PVC) and carpet floors. In 15 joints of the right upper extremity, the trunk and the lower extremities, Principal Co

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Yoshida, Yasuyuki, Arunas Bizokas, Katusha Demidova, Shinichi Nakai, Rie Nakai, and Takuichi Nishimura. "Determining Partnering Effects in the “Rise and Fall” Motion of Competitive Waltz by the Use of Statistical Parametric Mapping." Baltic Journal of Sport and Health Sciences 1, no. 120 (2021): 4–12. http://dx.doi.org/10.33607/bjshs.v1i120.1047.

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Background. Competitive dance, also known as “DanceSport,” is a competitive style of ballroom dance. The waltz features a particular movement in which the dancer lifts and lowers his/her body while dancing. In ballroom dance terms, this movement is known as the “rise and fall.” The purpose of this research was to examine partnering effects in relation to the vertical component of dancers’ center of mass when performing the competitive waltz. Methods. This investigation was conducted through statistical parametric mapping of the movements of 13 national level competitive dance couples and

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Fraeulin, Laura, Christian Maurer-Grubinger, Fabian Holzgreve, David A. Groneberg, and Daniela Ohlendorf. "Comparison of Joint Kinematics in Transition Running and Isolated Running in Elite Triathletes in Overground Conditions." Sensors 21, no. 14 (2021): 4869. http://dx.doi.org/10.3390/s21144869.

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Triathletes often experience incoordination at the start of a transition run (TR); this is possibly reflected by altered joint kinematics. In this study, the first 20 steps of a run after a warm-up run (WR) and TR (following a 90 min cycling session) of 16 elite, male, long-distance triathletes (31.3 ± 5.4 years old) were compared. Measurements were executed on the competition course of the Ironman Frankfurt in Germany. Pacing and slipstream were provided by a cyclist in front of the runner. Kinematic data of the trunk and leg joints, step length, and step rate were obtained using the MVN Link

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Alahmri, Fayez, Saad Alsaadi, and Mohammed Ahsan. "Comparison of 3D Hip Joint Kinematics in People with Asymptomatic Pronation of the Foot and Non-Pronation Controls." Malaysian Journal of Medical Sciences 28, no. 3 (2021): 77–85. http://dx.doi.org/10.21315/mjms2021.28.3.7.

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Background: The impact of asymptomatic pronation on proximal joints during motion has not been well understood, and research on it remains limited. Therefore, the current study determines the effect of asymptomatic pronation of the foot on hip joint kinematics during gait. Methods: Forty participants were recruited for the study (20 with asymptomatic pronated feet and 20 with non-pronated feet). Foot assessment was conducted by navicular drop and rear- foot angle tests. Hip joint kinematics were measured via MVN Xsens system 3D-motion capture from sagittal, frontal and transverse planes during

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Wang, Qiuying, Juan Yin, Aboelmagd Noureldin, and Umar Iqbal. "Research on an Improved Method for Foot-Mounted Inertial/Magnetometer Pedestrian-Positioning Based on the Adaptive Gradient Descent Algorithm." Sensors 18, no. 12 (2018): 4105. http://dx.doi.org/10.3390/s18124105.

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Foot-mounted Inertial Pedestrian-Positioning Systems (FIPPSs) based on Micro Inertial Measurement Units (MIMUs), have recently attracted widespread attention with the rapid development of MIMUs. The can be used in challenging environments such as firefighting and the military, even without augmenting with Global Navigation Satellite System (GNSS). Zero Velocity Update (ZUPT) provides a solution for the accumulated positioning errors produced by the low precision and high noise of the MIMU, however, there are some problems using ZUPT for FIPPS, include fast-initial alignment and unobserved head

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Wang, Feng. "Analysis of human mechanics structure in national Tai Chi movement." International Journal of Advanced Robotic Systems 17, no. 2 (2020): 172988142091506. http://dx.doi.org/10.1177/1729881420915069.

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Tai Chi is an excellent traditional culture of the Chinese nation and a treasure of traditional national sports. It has been developing since thousands of years and is increasingly loved by more and more people at home and abroad. Because of the development of the times and the influence of the change of value orientation of Tai Chi and other factors, people’s understanding of many problems of Tai Chi such as theory and method has been biased, which makes the idea of action and skill weakening and action not uniform in the process of inheritance and development of Tai Chi routines. Even the pr

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Goźdź, Aleksandra, Maciej Kalinowski, and Piotr Kopniak. "Method of synchronization and data processing from differents inertial sensors kits sources for the human gait analysis." Journal of Computer Sciences Institute 9 (December 30, 2018): 345–49. http://dx.doi.org/10.35784/jcsi.708.

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The article talks about results of data synchronization measurements sourced from two recording gait systems for human gait analyses. Two systems are Xsens sensor kits: MT Awinda, Xbus Kit. The article cover file format used to save data and synchronization method for sensor measurement from above mentioned kits. On the basis of the studies carried out, sensor measurement from different places on human body are unify to a common frame of reference. The discussed method provides also progressive data processing for angles range from -180° to 180° conversion to the absolute angle value from init

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Van der Straaten, Rob, Amber K. B. D. Bruijnes, Benedicte Vanwanseele, Ilse Jonkers, Liesbet De Baets, and Annick Timmermans. "Reliability and Agreement of 3D Trunk and Lower Extremity Movement Analysis by Means of Inertial Sensor Technology for Unipodal and Bipodal Tasks." Sensors 19, no. 1 (2019): 141. http://dx.doi.org/10.3390/s19010141.

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This study evaluates the reliability and agreement of the 3D range of motion (ROM) of trunk and lower limb joints, measured by inertial measurement units (MVN BIOMECH Awinda, Xsens Technologies), during a single leg squat (SLS) and sit to stand (STS) task. Furthermore, distinction was made between movement phases, to discuss the reliability and agreement for different phases of both movement tasks. Twenty healthy participants were measured on two testing days. On day one, measurements were conducted by two operators to determine the within-session and between-operator reliability and agreement

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Guo, H., M. Uradzinski, H. Yin, and M. Yu. "Indoor positioning based on foot-mounted IMU." Bulletin of the Polish Academy of Sciences Technical Sciences 63, no. 3 (2015): 629–34. http://dx.doi.org/10.1515/bpasts-2015-0074.

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Abstract The paper presents the results of the project which examines the level of accuracy that can be achieved in precision indoor positioning by using a pedestrian dead reckoning (PDR) method. This project is focused on estimating the position using step detection technique based on foot-mounted IMU. The approach is sensor-fusion by using accelerometers, gyroscopes and magnetometers after initial alignment is completed. By estimating and compensating the drift errors in each step, the proposed method can reduce errors during the footsteps. There is an advantage of the step detection combine

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Kutilek, Patrik, Ondrej Cakrt, Vladimir Socha, and Karel Hana. "Volume of confidence ellipsoid: a technique for quantifying trunk sway during stance." Biomedical Engineering / Biomedizinische Technik 60, no. 2 (2015). http://dx.doi.org/10.1515/bmt-2014-0012.

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AbstractThe position of the trunk can be negatively affected by many diseases. This work focuses on a noninvasive method of quantifying human postural stability and identifying defects in balance and coordination as a result of the nervous system pathology. We used a three-degree-of-freedom orientation tracker (Xsens MTx unit) placed on a patient’s trunk and measured three-dimensional (3-D) data (pitch, roll, and yaw) during quiet stance. The principal component analysis was used to analyze the data and to determine the volume of 3-D 95% confidence ellipsoid. Using this method, we were able to

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"THE POSITIONING ERRORS GENERATED BY XSENS MVN INDUCTIVE SYSTEM DURING THE ANALYSIS OF „PUSH-UPS” EXERCISE, USING THE „SINGLE LEVEL” SCENARIO, BEFORE AND AFTER THE CALLING OF "REPROCESS" FUNCTION." International Journal of Mechatronics and Applied Mechanics 1, no. 4 (2018). http://dx.doi.org/10.17683/ijomam/issue4.18.

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Mecheri, Hakim, Xavier Robert-Lachaine, Christian Larue, and André Plamondon. "Evaluation of Eight Methods for Aligning Orientation of Two Coordinate Systems." Journal of Biomechanical Engineering 138, no. 8 (2016). http://dx.doi.org/10.1115/1.4033719.

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The aim of this study was to evaluate eight methods for aligning the orientation of two different local coordinate systems. Alignment is very important when combining two different systems of motion analysis. Two of the methods were developed specifically for biomechanical studies, and because there have been at least three decades of algorithm development in robotics, it was decided to include six methods from this field. To compare these methods, an Xsens sensor and two Optotrak clusters were attached to a Plexiglas plate. The first optical marker cluster was fixed on the sensor and 20 trial

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