Works (66)

Updated: February 14th, 2024 05:06

2024 journal article

Exploring the impact of human-robot interaction on workers' mental stress in collaborative assembly tasks

APPLIED ERGONOMICS, 116.

By: B. Su n, S. Jung n, L. Lu n, H. Wang  n, L. Qing n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Human -robot collaboration; Interaction modality; Mental stress; Physiological responses
Sources: ORCID, Web Of Science
Added: January 6, 2024

2024 article

Factors Affecting Workers' Mental Stress in Handover Activities During Human-Robot Collaboration

Lu, L., Xie, Z., Wang, H., Su, B., Jung, S., & Xu, X. (2024, January 12). HUMAN FACTORS, Vol. 1.

By: L. Lu n, Z. Xie  n, H. Wang  n, B. Su n, S. Jung n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: collaborative robot; workplace safety; mental health; unpredictable motion
Sources: ORCID, Web Of Science
Added: January 13, 2024

2023 article

An Image-Based Human-Robot Collision Avoidance Scheme: A Proof of Concept

Xie, Z., Lu, L., Wang, H., Li, L., & Xu, X. (2023, June 8). IISE TRANSACTIONS ON OCCUPATIONAL ERGONOMICS & HUMAN FACTORS, Vol. 6.

By: Z. Xie n, L. Lu n, H. Wang n , L. Li  n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Collaborative robot; collision avoidance; computer vision; robot kinematics; risk assessment
Sources: Web Of Science, ORCID
Added: July 31, 2023

2023 article

Improving Workers' Musculoskeletal Health During Human-Robot Collaboration Through Reinforcement Learning

Xie, Z., Lu, L., Wang, H., Su, B., Liu, Y., & Xu, X. (2023, May 22). HUMAN FACTORS, Vol. 5.

By: Z. Xie n, L. Lu n, H. Wang n , B. Su n, Y. Liu n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: robotics; computer-supported collaborations; human-automation interaction; job risk assessment; human-robot interaction
Sources: ORCID, Web Of Science
Added: May 23, 2023

2022 journal article

A Simple Method to Optimally Select Upper-Limb Joint Angle Trajectories from Two Kinect Sensors during the Twisting Task for Posture Analysis

SENSORS, 22(19).

co-author countries: Taiwan, Province of China πŸ‡ΉπŸ‡Ό United States of America πŸ‡ΊπŸ‡Έ
author keywords: twisting task; joint angle; data selection; regression; error trendline; Kinect sensor
MeSH headings : Biomechanical Phenomena; Humans; Joints; Posture; Range of Motion, Articular; Upper Extremity
Sources: Web Of Science, ORCID
Added: October 24, 2022

2022 journal article

A mobile platform-based app to assist undergraduate learning of human kinematics in biomechanics courses

JOURNAL OF BIOMECHANICS, 142.

By: H. Wang n , Z. Xie n, L. Lu n, B. Su n, S. Jung n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Joint angles; User interface; Computer vision; Undergraduate education; Self-relevant data
MeSH headings : Biomechanical Phenomena; Humans; Learning; Mathematics; Mobile Applications; Students
Sources: Web Of Science, ORCID
Added: September 6, 2022

2022 review

Mental stress and safety awareness during human-robot collaboration - Review

[Review of ]. APPLIED ERGONOMICS, 105.

By: L. Lu n, Z. Xie n, H. Wang n , L. Li  n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Human-robot collaboration; Mental stress; Safety awareness; Workplace safety
Sources: ORCID, Web Of Science
Added: June 28, 2022

2022 journal article

Real-Time Driving Distraction Recognition Through a Wrist-Mounted Accelerometer

HUMAN FACTORS, 64(8), 1412–1428.

By: Z. Xie n, L. Li n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: accident analysis; distractions and interruptions; risk assessment; biomechanics; kinematics
MeSH headings : Humans; Accidents, Traffic; Wrist; Pilot Projects; Automobile Driving; Accelerometry
Sources: Web Of Science, ORCID
Added: April 5, 2021

2021 journal article

A computer-vision method to estimate joint angles and L5/S1 moments during lifting tasks through a single camera

JOURNAL OF BIOMECHANICS, 129.

By: H. Wang n , Z. Xie n, L. Lu n, L. Li  n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Musculoskeletal disorders; Low-back injuries; Markerless motion tracking; Joint kinematics; L5/S1 joint moment
MeSH headings : Biomechanical Phenomena; Computers; Humans; Lifting; Lumbar Vertebrae; Sacrum
Sources: Web Of Science, ORCID
Added: November 29, 2021

2021 journal article

Lifting Posture Prediction With Generative Models for Improving Occupational Safety

IEEE TRANSACTIONS ON HUMAN-MACHINE SYSTEMS, 51(5), 494–503.

By: L. Li n, S. Prabhu n, Z. Xie n, H. Wang n , L. Lu n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Generative models; lifting tasks; neural networks; occupational injuries; posture prediction
Sources: Web Of Science, ORCID
Added: September 27, 2021

2020 journal article

A novel vision-based real-time method for evaluating postural risk factors associated with musculoskeletal disorders

APPLIED ERGONOMICS, 87.

By: L. Li n, T. Martin n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: RULA; Deep learning; MSD risk assessment
MeSH headings : Adult; Deep Learning; Ergonomics / methods; Female; Humans; Image Processing, Computer-Assisted / methods; Lifting; Male; Musculoskeletal Diseases / diagnostic imaging; Musculoskeletal Diseases / etiology; Occupational Diseases / diagnostic imaging; Occupational Diseases / etiology; Photography / methods; Posture; Risk Assessment; Risk Factors; Upper Extremity / diagnostic imaging
Sources: Web Of Science, ORCID
Added: June 22, 2020

2020 journal article

Detection of driver manual distraction via image-based hand and ear recognition

ACCIDENT ANALYSIS AND PREVENTION, 137.

By: L. Li  n, B. Zhong n , C. Hutmacher n, Y. Liang, W. Horrey * & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Driving distraction; Upper extremity kinematics; Deep learning; Computer vision; Multi-class classification
MeSH headings : Accidents, Traffic / prevention & control; Adult; Algorithms; Data Collection; Distracted Driving; Ear / physiology; Female; Hand / physiology; Humans; Male; Neural Networks, Computer; Pattern Recognition, Automated / methods
Sources: Web Of Science, ORCID
Added: April 6, 2020

2020 journal article

MOPED25: A multimodal dataset of full-body pose and motion in occupational tasks

JOURNAL OF BIOMECHANICS, 113.

By: L. Li n, Z. Xie n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Pose dataset; Kinematics; Postural risk; Computer vision
MeSH headings : Algorithms; Ergonomics; Humans; Motion; Neural Networks, Computer; Posture
Sources: Web Of Science, ORCID
Added: January 11, 2021

2019 journal article

A Deep Neural Network-based method for estimation of 3D lifting motions

JOURNAL OF BIOMECHANICS, 84, 87–93.

By: R. Mehrizi*, . Peng *, X. Xu n , S. Zhang * & K. Li *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: 3D pose estimation; Machine learning; Deep Neural Network; Lifting; Biomechanics
MeSH headings : Biomechanical Phenomena; Deep Learning; Humans; Lifting; Male; Middle Aged; Movement; Shoulder / physiology
Sources: Web Of Science, ORCID
Added: March 4, 2019

2019 article

Design Process for an Ergonomic Solution to the Police Duty Belt

ADVANCES IN PHYSICAL ERGONOMICS & HUMAN FACTORS, Vol. 789, pp. 3–15.

By: M. White n, D. Kaber n, Y. Deng n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Occupational safety; Physical ergonomics; Human-centered design
Sources: Web Of Science, ORCID
Added: August 31, 2020

2019 journal article

Occupational cranking operations: The scapula perspective

APPLIED ERGONOMICS, 75, 129–133.

By: J. Lin * & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Shoulders; Trucking; Musculoskeletal disorders; Best practice
MeSH headings : Adult; Ergonomics; Hand / physiology; Humans; Male; Man-Machine Systems; Movement; Physical Exertion / physiology; Posture / physiology; Range of Motion, Articular; Rotation; Scapula / physiology; Shoulder Joint / physiology; Task Performance and Analysis
Sources: Web Of Science, ORCID
Added: January 14, 2019

2019 journal article

Predicting 3-D Lower Back Joint Load in Lifting: A Deep Pose Estimation Approach

IEEE TRANSACTIONS ON HUMAN-MACHINE SYSTEMS, 49(1), 85–94.

By: R. Mehrizi*, M. Peng *, D. Xu  n, Z. Xu & L. Shaoting *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: NC State University Libraries, ORCID
Added: February 11, 2019

2019 journal article

Video-Based Driver's Hand Tracking using Fast Normalized Cross Coefficient with Improved Computational Efficiency

TRANSPORTATION RESEARCH RECORD, 2673(8), 233–241.

By: L. Li n, C. Hutmacher n & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: October 14, 2019

2018 journal article

A computer vision based method for 3D posture estimation of symmetrical lifting

JOURNAL OF BIOMECHANICS, 69, 40–46.

By: R. Mehrizi*, . Peng *, X. Xu n , S. Zhang *, D. Metaxas * & K. Li *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Computer vision; Marker-less motion capture; Joint kinematics assessment; Lifting; Discriminative approach
MeSH headings : Biomechanical Phenomena; Female; Humans; Joints / physiology; Lifting; Male; Middle Aged; Movement; Photography; Posture
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Identification of heel strike under a slippery condition

APPLIED ERGONOMICS, 66, 32–40.

By: W. Chang & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Heel contact; High speed camera; Kinematics; Force plate
MeSH headings : Accidental Falls; Adult; Biomechanical Phenomena; Female; Floors and Floorcoverings; Friction; Glass; Heel / physiopathology; Humans; Male; Shoes; Walking / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Impact of posture choice on one-handed pull strength variations at low, waist, and overhead pulling heights

INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS, 64, 226–234.

By: D. Yu *, X. Xu n  & J. Lin *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Industrial ergonomics; Biomechanics; Push and pull; Isometric strength; Postures
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 article

New technologies in human factors and ergonomics research and practice

Lin, J.-H., Kirlik, A., & Xu, X. (2018, January). APPLIED ERGONOMICS, Vol. 66, pp. 179–181.

By: J. Lin *, A. Kirlik* & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Ergonomics / instrumentation; Humans; Inventions; Research / instrumentation
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 article

Toward Marker-free 3D Pose Estimation in Lifting: A Deep Multi-view Solution

PROCEEDINGS 2018 13TH IEEE INTERNATIONAL CONFERENCE ON AUTOMATIC FACE & GESTURE RECOGNITION (FG 2018), pp. 485–491.

By: R. Mehrizi*, . Peng *, Z. Tang *, X. Xu n , D. Metaxas * & K. Li *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: markerless 3D human pose estimation; deep neural network; lifting
Sources: Web Of Science, ORCID
Added: January 21, 2019

2018 journal article

Using a deep learning network to recognise low back pain in static standing

ERGONOMICS, 61(10), 1374–1381.

By: B. Hu *, C. Kim *, X. Ning* & X. Xu n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Low back pain; motion analysis; balance control; deep neural network; long-short-term memory
MeSH headings : Biomechanical Phenomena; Case-Control Studies; Deep Learning; Electromagnetic Phenomena; Ergonomics; Feasibility Studies; Humans; Low Back Pain / diagnosis; Male; Middle Aged; Motion; ROC Curve; Standing Position
Sources: Web Of Science, ORCID
Added: March 18, 2019

2017 journal article

An entropy-assisted musculoskeletal shoulder model

JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY, 33, 103–110.

By: X. Xu n , J. Lin * & R. McGorry*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Adult; Biomechanical Phenomena; Electromyography; Entropy; Female; Humans; Male; Models, Biological; Muscle Contraction; Muscle, Skeletal / physiology; Posture; Shoulder / physiology; Shoulder Joint / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

The effect of obesity on postural stability during a standardized lifting task

Journal of Occupational and Environmental Hygiene, 14(3), 180–186.

By: M. Pajoutan*, X. Xu n  & L. Cavuoto *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Balance; body mass index (BMI); center of pressure; lifting
MeSH headings : Body Mass Index; Ergonomics; Humans; Lifting; Male; Obesity / physiopathology; Postural Balance / physiology; Weight-Bearing / physiology; Young Adult
Sources: Crossref, ORCID
Added: November 25, 2020

2017 journal article

Using a marker-less method for estimating L5/S1 moments during symmetrical lifting

APPLIED ERGONOMICS, 65, 541–550.

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Marker-less motion capture; Lifting; Computer vision
MeSH headings : Adult; Biomechanical Phenomena; Healthy Volunteers; Humans; Joints / physiology; Lifting; Lumbar Vertebrae / physiology; Male; Middle Aged; Models, Biological; Movement / physiology; Reproducibility of Results; Sacrum / physiology; Task Performance and Analysis; Weight-Bearing / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Using the Microsoft Kinect (TM) to assess 3-D shoulder kinematics during computer use

APPLIED ERGONOMICS, 65, 418–423.

By: X. Xu n , M. Robertson*, K. Chen n , J. Lin * & R. McGorry*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Office ergonomics; Motion tracking; Shoulder biomechanics; Workstation design
MeSH headings : Adult; Biomechanical Phenomena; Biosensing Techniques / instrumentation; Biosensing Techniques / methods; Computers; Ergonomics / instrumentation; Ergonomics / methods; Feasibility Studies; Female; Healthy Volunteers; Humans; Male; Range of Motion, Articular; Reproducibility of Results; Shoulder Joint / physiology; User-Computer Interface; Work / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Ergonomic evaluation of standard and alternative pallet jack handless

INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS, 54, 113–119.

By: C. Harris-Adamson *, A. Mielke*, X. Xu*  & J. Lin *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Push; Pull; Pallet jack; Manual material handling
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 article

Evaluation of regression-based 3-D shoulder rhythms

Xu, X., Dickerson, C. R., Lin, J.-hua, & McGorry, R. W. (2016, August). JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY, Vol. 29, pp. 28–33.

By: X. Xu* , C. Dickerson *, J. Lin * & R. McGorry*

co-author countries: Canada πŸ‡¨πŸ‡¦ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Thoracohumeral joint; Shoulder kinematics; ISB recommendations
MeSH headings : Adult; Biomechanical Phenomena / physiology; Clavicle / diagnostic imaging; Clavicle / physiology; Female; Humans; Humerus / diagnostic imaging; Humerus / physiology; Imaging, Three-Dimensional / methods; Male; Movement / physiology; Range of Motion, Articular / physiology; Scapula / diagnostic imaging; Scapula / physiology; Shoulder / diagnostic imaging; Shoulder / physiology; Shoulder Joint / diagnostic imaging; Shoulder Joint / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Hip and knee net joint moments that correlate with success in lateral load transfers over a low friction surface

Ergonomics, 1–9.

By: R. Catena & X. Xu 

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

Accuracy of the Microsoft Kinect (TM) for measuring gait parameters during treadmill walking

GAIT & POSTURE, 42(2), 145–151.

By: X. Xu* , R. McGorry*, L. Chou *, J. Lin * & C. Chang *

co-author countries: Taiwan, Province of China πŸ‡ΉπŸ‡Ό United States of America πŸ‡ΊπŸ‡Έ
author keywords: Gait analysis; Knee and hip joint angle; Step time; Step width
MeSH headings : Adolescent; Adult; Algorithms; Biomechanical Phenomena / physiology; Exercise Test / instrumentation; Female; Gait / physiology; Hip Joint / physiology; Humans; Knee Joint / physiology; Male; Reference Values; Reproducibility of Results; Signal Processing, Computer-Assisted / instrumentation; Walking / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Age-related differences in inter-joint coordination during stair walking transitions

GAIT & POSTURE, 42(2), 152–157.

By: S. Chiu, C. Chang, J. Dennerlein & X. Xu* 

author keywords: Gait; Aging; Coordination; Variability; Stair negotiation
MeSH headings : Acceleration; Accidental Falls; Adult; Aged; Aging / physiology; Female; Gait / physiology; Humans; Male; Middle Aged; Psychomotor Performance; Reference Values; Walking / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Effects of Working Environment Factors and Operator Experience on Upper Extremity Mechanical Properties During Powered Hand Tool Use

IIE Transactions on Occupational Ergonomics and Human Factors, 3(2), 81–90.

By: X. Xu*  & J. Lin. *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Evaluation of older driver head functional range of motion using portable immersive virtual reality

Experimental Gerontology, 70, 150–156.

By: K. Chen* , X. Xu* , J. Lin * & R. Radwin *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Virtual reality; Older driver; Range of motion; Performance
MeSH headings : Adolescent; Adult; Aged; Aging / physiology; Automobile Driving / psychology; Cross-Sectional Studies; Female; Humans; Male; Neck / physiology; Psychomotor Performance; Range of Motion, Articular / physiology; Rotation; Task Performance and Analysis; User-Computer Interface; Young Adult
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2015 journal article

Lower extremity kinematics that correlate with success in lateral load transfers over a low friction surface

ERGONOMICS, 58(9), 1571–1580.

By: R. Catena * & X. Xu* 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: general ergonomics; biomechanics; manual handling; slips, trips and falls
MeSH headings : Adult; Aged; Ankle Joint / physiology; Biomechanical Phenomena; Female; Friction; Hip Joint / physiology; Humans; Knee Joint / physiology; Lifting; Lower Extremity / physiology; Male; Middle Aged; Movement; Retrospective Studies; Surface Properties; Weight-Bearing / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

The accuracy of the Oculus Rift virtual reality head-mounted display during cervical spine mobility measurement

JOURNAL OF BIOMECHANICS, 48(4), 721–724.

By: X. Xu* , K. Chen* , J. Lin * & R. Radwin *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Inertial sensors; Motion analysis; Neck range of motion
MeSH headings : Adult; Aged; Biomechanical Phenomena; Cervical Vertebrae / physiology; Female; Head Movements / physiology; Humans; Male; Middle Aged; Models, Biological; Movement / physiology; Neck / physiology; Range of Motion, Articular / physiology; Reproducibility of Results; Rotation; User-Computer Interface
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

The validity of the first and second generation Microsoft Kinect (TM) for identifying joint center locations during static postures

APPLIED ERGONOMICS, 49, 47–54.

By: X. Xu*  & R. McGorry*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Reference frame alignment; Daily activities; Kinect v2
MeSH headings : Adult; Biomechanical Phenomena; Female; Humans; Imaging, Three-Dimensional / methods; Joints; Male; Motion; Movement; Posture; Reproducibility of Results; Software; Video Games
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Using horizontal heel displacement to identify heel strike instants in normal gait

GAIT & POSTURE, 42(1), 101–103.

By: J. Banks *, W. Chang*, X. Xu*  & C. Chang *

co-author countries: Taiwan, Province of China πŸ‡ΉπŸ‡Ό United States of America πŸ‡ΊπŸ‡Έ
author keywords: Gait events; Comparison; Walking speed; Overground; Stance
MeSH headings : Accelerometry / statistics & numerical data; Adult; Biomechanical Phenomena; Female; Gait / physiology; Heel / physiology; Humans; Male; Mathematical Computing; Middle Aged; Postural Balance / physiology; Shoes; Walking / physiology; Weight-Bearing / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

A regression model predicting isometric shoulder muscle activities from arm postures and shoulder joint moments

JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY, 24(3), 419–429.

By: X. Xu* , R. McGorry* & J. Lin *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: EMG; Muscle co-contraction; Kinematics; Biomechanical model
MeSH headings : Adult; Arm / physiology; Biomechanical Phenomena; Electromyography; Female; Humans; Isometric Contraction / physiology; Male; Models, Biological; Muscle, Skeletal / physiology; Muscles / physiology; Posture / physiology; Reference Values; Regression Analysis; Shoulder / physiology; Work
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

A regression-based 3-D shoulder rhythm

JOURNAL OF BIOMECHANICS, 47(5), 1206–1210.

By: X. Xu* , J. Lin & R. McGorry

author keywords: Humerus; Clavicle; Scapula; Kinematics; ISB recommendations
MeSH headings : Adult; Arm; Biomechanical Phenomena; Clavicle; Female; Humans; Humerus; Male; Models, Biological; Motion; Movement; Posture; Range of Motion, Articular; Regression Analysis; Scapula; Shoulder; Shoulder Joint / physiology; Thorax; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Joint Contribution to Fingertip Movement During a Number Entry Task: An Application of Jacobian Matrix

JOURNAL OF APPLIED BIOMECHANICS, 30(2), 338–342.

By: J. Qin *, M. Trudeau*, B. Buchholz*, J. Katz *, X. Xu*  & J. Dennerlein *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: keying task; upper extremity; Jacobian matrix; kinematics
MeSH headings : Adult; Arm / physiology; Biomechanical Phenomena; Computer Peripherals; Female; Finger Joint / physiology; Humans; Male; Movement / physiology; Posture / physiology; Range of Motion, Articular / physiology; Task Performance and Analysis
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Shoulder muscle fatigue development in young and older female adults during a repetitive manual task

ERGONOMICS, 57(8), 1201–1212.

By: J. Qin *, J. Lin *, B. Buchholz* & X. Xu* 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: age; shoulder; muscle fatigue; electromyography; repetitive work
MeSH headings : Adult; Age Factors; Aged; Deltoid Muscle / physiopathology; Electromyography; Humans; Isometric Contraction; Middle Aged; Muscle Fatigue; Physical Exertion; Shoulder; Superficial Back Muscles / physiopathology; Task Performance and Analysis; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

The accuracy of an external frame using ISB recommended rotation sequence to define shoulder joint angle

GAIT & POSTURE, 39(1), 662–668.

By: X. Xu* , R. McGorry* & J. Lin *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Shoulder kinematics; Plane of elevation; Elevation angle; Axial rotation
MeSH headings : Adult; Biomechanical Phenomena; Female; Humans; Male; Middle Aged; Posture / physiology; Range of Motion, Articular / physiology; Rotation; Shoulder Joint / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

The effect of age on the hand movement time during machine paced assembly tasks for female workers

INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS, 44(1), 148–152.

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Aging; Assembly tasks; Female workers; Movement time; Fitts' law
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Upper extremity kinematic and kinetic adaptations during a fatiguing repetitive task

JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY, 24(3), 404–411.

By: J. Qin *, J. Lin *, G. Faber*, B. Buchholz* & X. Xu* 

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
author keywords: Repetitive work; Kinematic variability; Age; Upper extremity
MeSH headings : Adaptation, Physiological / physiology; Adult; Aged; Biomechanical Phenomena; Elbow / physiology; Female; Humans; Kinetics; Middle Aged; Movement / physiology; Muscle Fatigue / physiology; Muscle, Skeletal / physiology; Pronation / physiology; Range of Motion, Articular / physiology; Reaction Time; Rotation; Shoulder / physiology; Task Performance and Analysis; Torque; Upper Extremity / physiology; Work; Wrist / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Effect of aging on inter-joint synergies during machine-paced assembly tasks

EXPERIMENTAL BRAIN RESEARCH, 231(2), 249–256.

By: X. Xu* , J. Qin *, R. Catena *, G. Faber* & J. Lin *

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
author keywords: Upper extremity movement; Motor coordination; Uncontrolled manifold (UCM); Redundancy
MeSH headings : Adult; Aged; Aging / physiology; Aging / psychology; Algorithms; Analysis of Variance; Biomechanical Phenomena; Data Interpretation, Statistical; Elbow Joint / anatomy & histology; Elbow Joint / physiology; Female; Humans; Joints / anatomy & histology; Joints / physiology; Middle Aged; Movement / physiology; Psychomotor Performance / physiology; Shoulder Joint / anatomy & histology; Shoulder Joint / physiology; Upper Extremity / anatomy & histology; Upper Extremity / physiology; Work; Wrist Joint / anatomy & histology; Wrist Joint / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Shoulder joint loading and posture during medicine cart pushing task

Journal of Occupational and Environmental Hygiene, 10(8), 446–454.

By: X. Xu* , J. Lin * & J. Boyer*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Adult; Female; Friction; Humans; Middle Aged; Occupational Exposure / analysis; Physical Exertion; Posture; Shoulder Joint / physiology
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2013 journal article

The error of L5/S1 joint moment calculation in a body-centered non-inertial reference frame when the fictitious force is ignored

JOURNAL OF BIOMECHANICS, 46(11), 1943–1947.

By: X. Xu* , G. Faber*, I. Kingma*, C. Chang * & S. Hsiang *

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
author keywords: Lifting; Linked segment model; Centrifugal force; Coriolis force
MeSH headings : Adult; Biomechanical Phenomena; Ergonomics; Humans; Joints / physiology; Lifting; Lumbar Vertebrae / physiology; Male; Models, Biological; Movement / physiology; Sacrum / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Assessing manual lifting tasks based on segment angle interpolations

Work (Reading, Mass.), 41 Suppl 1, 2360–2363.

By: C. Chang, X. Xu , G. Faber, I. Kingma & J. Dennerlein

Source: NC State University Libraries
Added: August 6, 2018

2012 journal article

Coordinate transformation between shoulder kinematic descriptions in the Holzbaur et al. model and ISB sequence

JOURNAL OF BIOMECHANICS, 45(15), 2715–2718.

By: X. Xu* , J. Lin * & R. McGorry*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Shoulder; Kinematics; Reference frames; Computational; Biomechanical model
MeSH headings : Biomechanical Phenomena; Humans; Models, Biological; Movement / physiology; Shoulder Joint / anatomy & histology; Shoulder Joint / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Estimating 3-D L5/S1 Moments During Manual Lifting Using a Video Coding System: Validity and Interrater Reliability

HUMAN FACTORS, 54(6), 1053–1065.

By: X. Xu* , C. Chang *, G. Faber*, I. Kingma & J. Dennerlein *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: video coding; lifting; L5/S1 moment
MeSH headings : Adult; Humans; Lifting; Lumbar Vertebrae / physiology; Male; Middle Aged; Reproducibility of Results; Sacrum / physiology; Video Recording
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Estimation of 3-D peak L5/S1 joint moment during asymmetric lifting tasks with cubic spline interpolation of segment Euler angles

APPLIED ERGONOMICS, 43(1), 115–120.

By: X. Xu* , C. Chang *, G. Faber*, I. Kingma* & J. Dennerlein *

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
author keywords: Lifting tasks; 3-D L5/S1 joint moments; Interpolation; Euler angles
MeSH headings : Adult; Biomechanical Phenomena / physiology; Humans; Joints / physiology; Lifting; Lumbar Vertebrae / physiology; Male; Models, Biological; Sacrum / physiology; Task Performance and Analysis; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Transformation between different local coordinate systems of the scapula

JOURNAL OF BIOMECHANICS, 45(15), 2724–2727.

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Scapula; Coordinate system transformation; Muscle and ligament parameters; CT scan
MeSH headings : Adult; Biomechanical Phenomena; Female; Humans; Male; Middle Aged; Movement / physiology; Muscle, Skeletal / diagnostic imaging; Muscle, Skeletal / physiology; Radiographic Image Interpretation, Computer-Assisted / methods; Scapula / diagnostic imaging; Scapula / physiology; Tomography, X-Ray Computed / methods
Sources: Web Of Science, ORCID
Added: August 6, 2018

2012 journal article

Two linear regression models predicting cumulative dynamic L5/S1 joint moment during a range of lifting tasks based on static postures

ERGONOMICS, 55(9), 1093–1103.

By: X. Xu* , C. Chang * & M. Lu *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: manual materials handling; low back pain; cumulative L5/S1 moment; static moment
MeSH headings : Analysis of Variance; Biomechanical Phenomena; Female; Humans; Imaging, Three-Dimensional; Lifting / adverse effects; Linear Models; Low Back Pain / etiology; Lumbar Vertebrae / physiology; Male; Middle Aged; Models, Anatomic; Posture / physiology; Sacrum / physiology; Statistics as Topic; Task Performance and Analysis; Weight-Bearing / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Estimation of low back moments from video analysis: A validation study

JOURNAL OF BIOMECHANICS, 44(13), 2369–2375.

By: P. Coenen *, I. Kingma*, C. Boot *, G. Faber*, X. Xu* , P. Bongers, J. Dieen*

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
author keywords: Low back loading; Lifting; Low back pain; Video analysis; Posture matching
MeSH headings : Analysis of Variance; Back / physiology; Biomechanical Phenomena; Humans; Lifting; Methods; Motion; Videotape Recording / methods; Videotape Recording / standards
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 chapter

Postural Observation of Shoulder Flexion during Asymmetric Lifting Tasks

In Digital Human Modeling (pp. 228–230).

By: X. Xu* , C. Chang *, G. Faber*, I. Kingma* & J. Dennerlein *

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
Sources: Crossref, ORCID
Added: December 22, 2020

2011 journal article

The Validity and Interrater Reliability of Video-Based Posture Observation During Asymmetric Lifting Tasks

HUMAN FACTORS, 53(4), 371–382.

By: X. Xu* , C. Chang *, G. Faber*, I. Kingma & J. Dennerlein *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: posture observation; asymmetric lifting tasks; side-view video; body segment angles
MeSH headings : Adult; Biomechanical Phenomena; Humans; Lifting; Male; Middle Aged; Observation; Observer Variation; Posture; Reproducibility of Results; Videotape Recording
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

An empirical validation of a base-excitation model to predict harvestable energy from a suspended-load backpack system

THEORETICAL ISSUES IN ERGONOMICS SCIENCE, 11(6), 546–560.

By: X. Xu* , S. Hsiang  n & G. Mirka*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: suspended-load backpack; load carriage; walking speed
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Comparing polynomial and cubic spline interpolation of segment angles for estimating L5/S1 net moment during symmetric lifting tasks

JOURNAL OF BIOMECHANICS, 43(3), 583–586.

By: X. Xu* , C. Chang *, G. Faber*, I. Kingma* & J. Dennerlein

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
author keywords: Symmetric lifting; Interpolation; Segment angle; L5/S1 net moment
MeSH headings : Computer Simulation; Humans; Lifting; Lumbar Vertebrae / physiology; Male; Models, Biological; Muscle Contraction / physiology; Muscle, Skeletal / physiology; Numerical Analysis, Computer-Assisted; Reproducibility of Results; Sacrum / physiology; Sensitivity and Specificity; Torque; Weight-Bearing / physiology; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Interpolation of segment Euler angles can provide a robust estimation of segment angular trajectories during asymmetric lifting tasks

JOURNAL OF BIOMECHANICS, 43(10), 2043–2048.

By: X. Xu* , C. Chang *, G. Faber*, I. Kingma* & J. Dennerlein *

co-author countries: Netherlands πŸ‡³πŸ‡± United States of America πŸ‡ΊπŸ‡Έ
author keywords: 3-D lifting; Cubic spline interpolation; Euler angles
MeSH headings : Adult; Biomechanical Phenomena; Humans; Lifting; Lumbar Vertebrae / physiology; Male; Weight-Bearing / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Prediction accuracy in estimating joint angle trajectories using a video posture coding method for sagittal lifting tasks

ERGONOMICS, 53(8), 1039–1047.

By: C. Chang *, R. McGorry*, J. Lin *, X. Xu*  & S. Hsiang n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: lifting simulation; manual materials handling; posture matching; video coding
MeSH headings : Adult; Biomechanical Phenomena; Humans; Joints / anatomy & histology; Lifting; Male; Posture / physiology; Reproducibility of Results; Video Recording; Young Adult
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

The effects of a suspended-load backpack on gait

GAIT & POSTURE, 29(1), 151–153.

By: X. Xu n , S. Hsiang n & G. Mirka*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Suspended-load backpack; Ground reaction force
MeSH headings : Adult; Analysis of Variance; Back / physiology; Gait / physiology; Humans; Male; Posture / physiology; Shoulder / physiology; Walking / physiology; Weight-Bearing / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

Coordination indices between lifting kinematics and kinetics

INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS, 38(11-12), 1062–1066.

By: X. Xu n , S. Hsiang n & G. Mirka*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Trunk flexion; External moments; Coordination; Obesity
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

The effects of obesity on lifting performance

APPLIED ERGONOMICS, 39(1), 93–98.

By: X. Xu n , G. Mirka n & S. Hsiang n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: lifting; low back pain
MeSH headings : Biomechanical Phenomena; Body Mass Index; Humans; Lifting; Low Back Pain / etiology; Lumbosacral Region / physiology; Male; North Carolina; Obesity; Occupational Health; Task Performance and Analysis; Weight-Bearing
Sources: Web Of Science, ORCID
Added: August 6, 2018

2007 journal article

The effect of a knee support on the biomechanical response of the low back

JOURNAL OF APPLIED BIOMECHANICS, 23(4), 275–281.

By: Y. Shu n, Z. Jiang n, X. Xu n  & G. Mirka n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: lumbar; EMG; kneeling
MeSH headings : Adaptation, Physiological / physiology; Adult; Back / physiology; Biomechanical Phenomena / methods; Female; Humans; Knee Joint / physiology; Lifting; Lumbar Vertebrae / physiology; Male; Muscle Contraction / physiology; Muscle, Skeletal / physiology; Postural Balance / physiology; Stress, Mechanical; Weight-Bearing / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

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