Publications

Recent Peer-Reviewed Journal Papers

Click a title to open the abstract page. Keywords are in italic. (updated: June 2025)

• Choi, J., Kim, S., Lim, S., Porto, R. & Nussbaum, M. A. (2025) Effectiveness and usability of a trunk posture feedback system: An exploratory, longitudinal study for up to 10 days among vehicle assembly operators, Applied Ergonomics, 128: 104564 (8 pages).
  Musculoskeletal disorders; Real-time posture assessment; Wearable sensor

• Behjati Ashtiani, M., Akhavanfar, M., Li, L., Kim, S. & Nussbaum, M. A. (2025) Using musculoskeletal models to estimate the effects of exoskeletons on spine loads during dynamic lifting tasks: differences between OpenSim and the AnyBody modelling system, Journal of Biomechanics, 188: 112780 (9 pages).
  Back-support exoskeletons; Musculoskeletal modelling; AnyBody modelling system; OpenSim; Spine

• Ojelade, A., Rajabi, M. S., Kim, S. & Nussbaum, M. A. (2025) . A data-driven approach to classifying manual material handling tasks using markerless motion capture and recurrent neural networks, International Journal of Industrial Ergonomics, 107: 103755 (13 pages).
  Physical exposure assessment; Musculoskeletal disorders; Machine learning; Sex differences; Computer vision

• Usmani, A. R., Rajabi, M. S., Ojelade, A., Kim, S., Harris-Adamson, C., Barr, A. & Nussbaum, M. A. (2025) . Passive back support exoskeletons do not effectively reduce physical demands during simulated floor tiling, Applied Ergonomics, 128: 104549 (9 pages).
  Work-related musculoskeletal disorders; Low back; Construction; Exoskeleton; Task-specificity; Intervention

• Akinwande, F., Kim, S., Ojelade, A., Muslim, K., Iridiastadi, H., Nasarwanji, M., Kim, J. H. & Nussbaum, M. A. (2025). Perspectives of Mining Personnel on Adopting Occupational Exoskeletons: Comparisons Between a Developed and a Developing Country, Mining, Metallurgy & Exploration, 42: 523-536.
  Work-related musculoskeletal disorders; Mining industry; Intervention; Technology adoption; Exoskeleton

• Islam, M. S., Harden, S. M., Lee, S. W., & Lim, S. (In press). Verbal and nonverbal communication differences between in-person and live-streamed group physical activity: a specific investigation into yoga instruction, Ergonomics.
  

• Jamshid Nezhad Zahabi, S., Islam, M. S., Kim, S., Lau, N., Nussbaum, M. A. & Lim, S. (2025). Cognitive workload assessment during VR forklift training,  International Journal of Industrial Ergonomics, 107: 103718.
  Forklift operation; Virtual reality; Task difficulty; Electroencephalogram (EEG); Workload assessment

• Porta, M., Casu, G., Lim, S., Nussbaum, M. A. & Pau, M. (2025). Use of wearable sensors for continuous field monitoring of upper arm and trunk postures among construction workers, Ergonomics.
  

• Tajdari, M., Forsyth, J., & Lim, S. (2025). Sensitivity to Vibrotactile Stimulation in the Hand and Wrist: Effects of Motion, Temporal Patterns, and Biological Sex, Human Factors, 67(4): 331-346.

• Park, H., Noll, A., Kim, S. & Nussbaum, M. A. (2025) Passive arm-support and back-support exoskeletons have distinct phase-dependent effects on physical demands during cart pushing and pulling: An exploratory study, Applied Ergonomics, 126: 104510 (10 pages).
  Kinematics; Muscle activity; Biomechanics; Versatility

• Behjati Ashtiani, M., Ojelade, A., Kim, S. & Nussbaum, M. A. (2025) Estimating dynamic external hand forces during overhead work with and without an exoskeleton: Evaluating an approach using electromyography signals and random forest regression, International Journal of Industrial Ergonomics, 107: 103735 (9 pages).
  Electromyography; Musculoskeletal disorders; Arm-support exoskeleton; Machine learning

• Behjati Ashtiani, M., Morris, W., Ojelade, A., Kim, S., Akinwande, F., Barr, A., Harris-Adamson, C., Akanmu, A. & Nussbaum, M. A. (2025). Understanding the drivers of and barriers to adopting passive back- and arm-support exoskeletons in construction: Results from interviews and short-term field testing, International Journal of Industrial Ergonomics, 107: 103732 (10 pages).
  Exoskeletons; Work-related musculoskeletal disorders; Sentiment analysis; Construction; ChatGPT; Usability; Safety

• Ulman, S., Srinivasan, D. & Nussbaum, M. A. (2025) Gait variability predicts post-fatigue obstacle course performance among military cadets: An exploratory study, Applied Ergonomics, 126: 104504 (8 pages).
  Motor variability; Inter-joint coordination; Adaptability

• Porta, M., Casu, G., Fastame, M. C., Nussbaum, M. A. & Pau, M. (2025) Older workers spend less time in extreme trunk and upper-arm postures during order-picking tasks: Results from field testing, Applied Ergonomics, 125, 104462 (10 pages).
  Aging workers; Postural exposure; Inertial sensors

• Taori, S. & Lim, S. (2025) Classification algorithms trained on simple (symmetric) lifting data perform poorly in predicting hand loads during complex (free-dynamic) lifting tasks, Applied Ergonomics, 125, 104427.
  EMG, Lifting load classification, Wearable armband, Lifting scenario, Algorithm performance

• (under construction)