Peer-Reviewed Publications


  • Hur, P., Motawar, B.R., Seo, N.J. (2014). Muscular responses to handle perturbation with different glove condition, Journal of Electromyography and Kinesiology, 24 (1) 159-64.



  • Seo, N.J. (2013). Involuntary contralateral hand activity during unilateral grip exertion in persons with chronic stroke. Journal of Hand Therapy, 26 (3) 272-8.
  • Crocher V, Hur P, Seo NJ (2013). Low-cost virtual rehabilitation games: House of Quality to meet patient expectations. International Conference on Virtual Rehabilitation, Philadelphia, PA.


  • Hur P, Motawar BR, Seo NJ (2012). Hand Breakaway Strength Model – Effects of glove use and handle shapes on a person’s hand strength to hold onto handles to prevent fall from elevation, Journal of Biomechanics, 45 (6) 958-64.
  • Motawar BR, Hur P, Stinear JW, Seo NJ (2012). Contribution of corticomotor inhibition in voluntary muscle relaxation, Experimental Brain Research, 221 (3) 299-308.
  • Seo NJ, Enders LR, 2012. Hand grip function assessed by the Box and Block Test (BBT) is affected by object surfaces, Journal of Hand Therapy, 25 (4) 397-405.
  • Shim JK, Karol S, Kim Y-S, Seo NJ, Kim YH, Kim Y, Yoon B (2012). Tactile feedback plays a critical role in maximum finger force production,Journal of Biomechanics, 45 (3) 415-20.


  • Seo, N.J., Fischer, H.C., Bogey, R.A., Rymer, W.Z., Kamper, D.G. (2011). Use of visual force feedback to improve digit force direction during pinch grip in persons with stroke – A pilot study, Archives of Physical Medicine & Rehabilitation, 92 (1) 24-30.
  • Seo, N.J., Fischer, H.C., Bogey, R.A., Rymer, W.Z., Kamper, D.G. (2011). Effect of a serotonin antagonist on delay in grip muscle relaxation for persons with chronic hemiparetic stroke, Clinical Neurophysiology, 122, 796-802.
  • Enders, L.R., Seo, N.J. (2011). Phalanx force magnitude and trajectory deviation increased during power grip with an increased coefficient of friction at the hand-object interface, Journal of Biomechanics,44 (8) 1447-53.
  • Seo, N.J., Sindhu, B.S., Shechtman, O. (2011). Influence of pain associated with musculoskeletal disorders on grip force timing, Journal of Hand Therapy, 24 (4) 335-43.
  • Seo, N.J., Shim, J.K., Engel, A.K., Enders, L.R. (2011). Grip surface affects maximum pinch force, The Journal of Human Factors and Ergonomics Society, 53 (6) 740-8.
  • Seo, N.J., Armstrong, T.J. (2011). Effect of elliptic handle shape on grasping strategies, grip force distribution, and twisting ability,Ergonomics, 54 (10) 961-70.
  • Shechtman, O., Sindhu, B. S., & Seo, N. J. (2011). The Effects of Upper Extremity Injury on Maximal Grip Effort. Journal of Hand Therapy, 24 (4), 386-7.


  • Seo, N.J., Rymer, W.Z., Kamper, D.G., (2010). Altered Digit Force Direction during Pinch Grip Following Stroke. Experimental Brain Research, 202 (4) 891-901.
  • Seo, N.J., Armstrong, T.J., Young, J.G., (2010), Effects of Handle Orientation, Gloves, Handle Friction and Elbow Posture on Maximum Horizontal Pull and Push Forces. Ergonomics, 53 (1) 92-101.


  • Seo, N.J., Armstrong, T.J., (2009), Biomechanical Analysis for Handle Stability during Maximum Push and Pull Exertions. Ergonomics, 52 (12) 1568-1575.
  • Seo, N.J., Rymer, W.Z., Kamper, D.G., (2009), Delays in Grip Initiation and Termination in Persons with Stroke: Effects of Arm Support and Active Muscle Stretch Exercise, Journal of Neurophysiology, 101, 3108-3115.
  • Seo, N.J., (2009), Dependence of Safety Margins in Grip Force on Isometric Push Force Levels in Lateral Pinch. Ergonomics, 52 (7) 840-847.
  • Seo, N.J., Armstrong, T.J., (2009), Friction Coefficients in a Longitudinal Direction between the Finger Pad and Selected Materials for Different Normal Forces and Curvatures. Ergonomics, 52 (5) 609-616.
  • Seo, N.J., Armstrong, T.J., Drinkaus, P., (2009). A Comparison of Two Methods of Measuring Static Coefficient of Friction at Low Normal Forces: A Pilot Study. Ergonomics, 52 (1) 121-135.


  • Seo, N.J., Armstrong, T.J., Ashton-Miller, J.A., Chaffin, D.B., (2008). Wrist Strength is Dependent on Simultaneous Power Grip Intensity.Ergonomics, 51 (10) 1594-1605.
  • Seo, N.J., Armstrong, T.J., (2008). Investigation of Grip Force, Normal Force, Contact Area, Hand Size, and Handle Size for Cylindrical Handles. Human Factors: Journal of Human Factors and Ergonomics Society, 50 (5) 734-744.
  • Seo, N.J., Armstrong, T.J., Chaffin, D.B., Ashton-Miller, J.A., (2008). The Effect of Handle Friction and Inward or Outward Torque on Maximum Axial Push Force. Human Factors: Journal of Human Factors and Ergonomics Society, 50 (2) 227-236.
  • Seo, N.J., Armstrong, T.J., Chaffin, D.B., Ashton-Miller, J.A., (2008). Inward Torque and High-Friction Handles Can Reduce Required Muscle Efforts for Torque Generation. Human Factors: Journal of Human Factors and Ergonomics Society, 50 (1) 37-48.
  • Seo, N.J., Kamper, D.G. (2008). Effect of Arm Posture, Arm Support, and Muscle Stretch on Sustained Finger Flexor Activity Following Stroke.Proceedings of the 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Vancouver, Canada


  • Seo, N.J., Armstrong, T.J., Ashton-Miller, J.A., Chaffin, D.B., (2007). The Effect of Torque Direction and Cylindrical Handle Diameter on the Coupling between the Hand and a Cylindrical Handle.Journal of Biomechanics, 40, 3236-3243.