Jia Hua Lin

Summary

Publications

  1. ncbi Handle displacement and operator responses to pneumatic nutrunner torque buildup
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    Appl Ergon 37:367-76. 2006
  2. doi Predicting subjective perceptions of powered tool torque reactions
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    Appl Ergon 40:47-55. 2009
  3. ncbi Handle dynamics predictions for selected power hand tool applications
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, USA
    Hum Factors 45:645-56. 2003
  4. ncbi A single-degree-of-freedom dynamic model predicts the range of human responses to impulsive forces produced by power hand tools
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety and Health, 71 Frankland Road, Hopkinton, MA 01748, USA
    J Biomech 36:1845-52. 2003
  5. ncbi Hand-handle interface force and torque measurement system for pneumatic assembly tool operations: suggested enhancement to ISO 6544
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, USA
    J Occup Environ Hyg 4:332-40. 2007
  6. ncbi Ergonomics applications of a mechanical model of the human operator in power hand tool operation
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    J Occup Environ Hyg 2:111-9; quiz D6-7. 2005
  7. doi The effects of joint torque, pace and work:rest ratio on powered hand tool operations
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    Ergonomics 55:361-70. 2012
  8. doi Shoulder joint loading and posture during medicine cart pushing task
    Xu Xu
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    J Occup Environ Hyg 10:446-54. 2013
  9. ncbi Effect of aging on inter-joint synergies during machine-paced assembly tasks
    Xu Xu
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA, 01748, USA
    Exp Brain Res 231:249-56. 2013
  10. doi Effects of handle orientation and between-handle distance on bi-manual isometric push strength
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA
    Appl Ergon 43:664-70. 2012

Detail Information

Publications24

  1. ncbi Handle displacement and operator responses to pneumatic nutrunner torque buildup
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    Appl Ergon 37:367-76. 2006
    ..This study provides quantitative information that can be used for workstation design and tool selection to reduce the torque reaction experienced by powered nutrunner operators...
  2. doi Predicting subjective perceptions of powered tool torque reactions
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    Appl Ergon 40:47-55. 2009
    ..These models can further be used to establish exposure limits based on handle displacement and grip force...
  3. ncbi Handle dynamics predictions for selected power hand tool applications
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, USA
    Hum Factors 45:645-56. 2003
    ..This model should make it possible for designers to identify conditions that minimize the torque reaction experienced by power hand tool operators...
  4. ncbi A single-degree-of-freedom dynamic model predicts the range of human responses to impulsive forces produced by power hand tools
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety and Health, 71 Frankland Road, Hopkinton, MA 01748, USA
    J Biomech 36:1845-52. 2003
    ....
  5. ncbi Hand-handle interface force and torque measurement system for pneumatic assembly tool operations: suggested enhancement to ISO 6544
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, USA
    J Occup Environ Hyg 4:332-40. 2007
    ..The results demonstrate that the measurement system can provide supplemental data useful in exposure assessment with power hand tools as proposed in ISO 6544...
  6. ncbi Ergonomics applications of a mechanical model of the human operator in power hand tool operation
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    J Occup Environ Hyg 2:111-9; quiz D6-7. 2005
    ..Additional examples pertinent to ergonomic workstation design and tool selection are provided to demonstrate how the model can be used to aid tool selection and workstation design...
  7. doi The effects of joint torque, pace and work:rest ratio on powered hand tool operations
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    Ergonomics 55:361-70. 2012
    ..This study examined work-related risk factors such as joint torque, pace and work:rest ratios on powered hand tool performance...
  8. doi Shoulder joint loading and posture during medicine cart pushing task
    Xu Xu
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    J Occup Environ Hyg 10:446-54. 2013
    ..The findings provide a better understanding of shoulder exposures associated with medicine cart operations and may be helpful in designing and optimizing the physical environment where medicine carts are used...
  9. ncbi Effect of aging on inter-joint synergies during machine-paced assembly tasks
    Xu Xu
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA, 01748, USA
    Exp Brain Res 231:249-56. 2013
    ....
  10. doi Effects of handle orientation and between-handle distance on bi-manual isometric push strength
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA
    Appl Ergon 43:664-70. 2012
    ..The results demonstrated that handle rotation and tilt angles affected pushing strength and should be taken into consideration when evaluating or designing pushing tasks...
  11. doi Description and analysis of hand forces in medicine cart pushing tasks
    Jon Boyer
    Liberty Mutual Research Institute for Safety, Center for Physical Ergonomics, USA
    Appl Ergon 44:48-57. 2013
    ....
  12. doi Accuracy of the Borg CR10 scale for estimating grip forces associated with hand tool tasks
    Raymond W McGorry
    Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, MA 01748, USA
    J Occup Environ Hyg 7:298-306. 2010
    ..Differences in strength of correlation between task simulations are discussed with respect to differences observed in force distributions about the handle for the three tasks...
  13. doi One-handed standing pull strength in different postures: normative data
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, 71 Frankland Rd, Hopkinton, MA 01748, USA
    Appl Ergon 44:603-8. 2013
    ..This dataset provides occupational safety and ergonomics professionals gender specific normative data on one-handed pull strength capacity in different age groups...
  14. doi Coordinate transformation between shoulder kinematic descriptions in the Holzbaur et al. model and ISB sequence
    Xu Xu
    Liberty Mutual Research Institute for Safety, Hopkinton, MA 01748, USA
    J Biomech 45:2715-8. 2012
    ..upper extremity model and those defined by the ISB. The results of this study could be used for comparing the coordinates between the different descriptions of the shoulder kinematics...
  15. doi Exposures and physiological responses in power tool operations: fastening vs. unfastening threaded hardware
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, USA
    J Occup Environ Hyg 7:290-7. 2010
    ....
  16. ncbi Prediction accuracy in estimating joint angle trajectories using a video posture coding method for sagittal lifting tasks
    Chien Chi Chang
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA
    Ergonomics 53:1039-47. 2010
    ....
  17. ncbi Effect of grip type, wrist motion, and resistance level on pressures within the carpal tunnel of normal wrists
    Raymond W McGorry
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, Massachusetts, 01748
    J Orthop Res 32:524-30. 2014
    ..Results could help inform design or modification of wrist motion intensive occupational tasks. © 2014 The Authors. © 2013 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 32:524-530, 2014. ..
  18. doi A regression-based 3-D shoulder rhythm
    Xu Xu
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA Electronic address
    J Biomech 47:1206-10. 2014
    ..19 and 0.57, and the RMSE obtained from the validation dataset ranged from 6.62° and 11.13°. The derived regression-based shoulder rhythm could be useful in future biomechanical modeling of the shoulder. ..
  19. ncbi A regression model predicting isometric shoulder muscle activities from arm postures and shoulder joint moments
    Xu Xu
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA Electronic address
    J Electromyogr Kinesiol 24:419-29. 2014
    ..The results can be used by practitioners to estimate the range of the shoulder muscle activities given a specific arm posture and net shoulder moment. ..
  20. doi The accuracy of an external frame using ISB recommended rotation sequence to define shoulder joint angle
    Xu Xu
    Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA Electronic address
    Gait Posture 39:662-8. 2014
    ..5°). Findings suggest that errors exist when using an external frame to assist in reaching specific shoulder postures. Error is minimized at elevation angles close to -30°, and the performance is poor for extreme shoulder postures...
  21. ncbi Forces associated with pneumatic power screwdriver operation: statics and dynamics
    Jia Hua Lin
    Liberty Mutual Research Institute for Safety, Hopkinton, MA, USA
    Ergonomics 46:1161-77. 2003
    ....
  22. doi Transformation between different local coordinate systems of the scapula
    Xu Xu
    Liberty Mutual Research Institute for Safety, Hopkinton, MA 01748, USA
    J Biomech 45:2724-7. 2012
    ..The results of this study may be used for the comparison of scapula kinematics data with respect to various LCSs and for building a scapula biomechanical model with respect to ISB-recommended LCS...
  23. pmc Flexion relaxation and its relation to pain and function over the duration of a back pain episode
    Raymond W McGorry
    Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts, United States of America
    PLoS ONE 7:e39207. 2012
    ..This phenomenon, referred to as flexion relaxation is often absent or disrupted (EMG activity persists) in individuals reporting low back pain (LBP)...
  24. doi Correlations between pain and function in a longitudinal low back pain cohort
    Raymond W McGorry
    Center for Physical Ergonomics, Liberty Mutual Research Institute for Safety, Hopkinton 01748, USA
    Disabil Rehabil 33:945-52. 2011
    ..This study analysed changes in intra-individual correlations between pain and function over time...