[updated on Apr. 1, 2011]   Bold font indicates the corresponding author

1.   Wang, T.-Y., Bhatt, T., Yang, F., Pai, Y.-C. (2011). Generalization of motor adaptation to repeated-slip perturbation across tasks. Neuroscience, (In press).

2.   Bhatt, T., Espy, D., Yang, F., Pai, Y.-C. (2011). Dynamic stability, clinical correlates, and prognosis of falls among community-dewlling older adults. Archives of Physical Medicine and Rehabilitation, (In press).

3.   Mak, M., Yang, F., Pai, Y.-C. (2011). Limb collapse, rather than instability, causes failure in sit-to-stand performance among patients with Parkinson disease. Physical Therapy, 91:381-391.

4.   Pai, Y.-C. , Wang, E., Espy, D., Bhatt, T. (2010). Adaptability to perturbation as a predictor of future falls: A preliminary prospective study. Journal of Geriatric Physical Therapy, 33: 50-55.

5.   Pai, Y.-C. , Bhatt, T., Wang, E., Espy, D., Pavol, M. (2010). Inoculation against falls: Rapid adaptation by young and older adults to repeated slips during daily activities. Archives of Physical Medicine and Rehabilitation. 91:452-459.

6.   Yang, F., Pai, Y.-C. (2010). Reactive control and its operation limits in responding to a novel slip in gait. Annals of Biomedical Engineering, 38: 3246-3256.

7.   Yang, F., Pai, Y.-C. (2010). Role of individual lower limb joints in reactive stability control following a novel slip in gait. Journal of Biomechanics, 43: 397–404.

8.   Espy, D., Yang, F., Pai, Y.-C. (2010). Control of center of mass motion state through cuing and decoupling of spontaneous gait parameters in level walking. Journal of Biomechanics, 43: 2548–2553.

9.   Espy, D., Yang, F., Bhatt, T., Pai, Y.-C. (2010). Independent influence of gait speed and step length on stability and fall risk. Gait and Posture, 32: 378–382.

10. Yang, F., Bhatt, T., Pai, Y.-C. (2009). Role of stability and limb support in recovery against a fall following a novel slip induced in different daily activities. Journal of Biomechanics, 42: 1903–1908.

11. Bhatt, T., Pai, Y.-C. (2009). Generalization of gait adaptation for fall prevention: From moveable platform to slippery floor. Journal of Neurophysiology, 101: 948–957.

12. Bhatt, T., Pai, Y.-C. (2009). Prevention of slip-related backward balance loss: Effect of session intensity and frequency on long-term retention. Archives of Physical Medicine and Rehabilitation, 90: 34-42.

13. Bhatt, T., Pai, Y.-C. (2009). Role of warning on inter-limb generalization and priming of adaptive control of gait stability. Journal of Motor Behavior, 41: 479-493.

14. Yang, F., Espy, D., Pai, Y.-C. (2009). Feasible stability region in the frontal plane during human gait. Annals of Biomedical Engineering, 37: 2606–2614.

15. Yang, F., Anderson, F.C., Pai, Y.-C. , (2008).  Predicted threshold against backward balance loss following a slip in gait. Journal of Biomechanics, (In press).

16. Yang, F., Passariello, F., Pai, Y.-C. (2008). Determination of instantaneous stability against backward balance loss: two computational approaches. Journal of Biomechanics, 41: 1818–1822. Epub Apr 9, 2008.

17. Bhatt, T., Pai, Y.-C. (2008). Immediate and latent inter-limb transfer of gait stability adaptation following repeated exposure to slips. Journal of Motor Behavior, (in press.)

18. Bhatt, T., Pai, Y.-C. (2008). Can observational training substitute motor training in preventing backward balance loss after an unexpected slip during walking? Journal of Neurophysiology, 99:843-852. Epub Nov 14, 2007.

19. Pai, Y.-C., Bhatt, T. (2007). Repeated slip training: An emerging paradigm for prevention of slip-related falls in older adults. An Invited Perspective, Invited Commentary, and Author Response. Physical Therapy, 87: 1478-1494.

20. Yang, F., Pai, Y.-C., (2007).  Correction of the inertial effect resulted from a plate moving under low friction conditions.  Journal of Biomechanics, 40:2723-2730.

21. Wu, M., Ji, L., Jin, D., Pai, Y.-C., (2007).  The minimal forward step length necessary for balance recovery.  Journal of Biomechanics, 40:1559-1566, Epub Oct 17, 2006.  Epub Oct 17, 2006.

22. Pavol, M. J., Pai, Y.-C., (2007). Deficient limb support is a major contributor to age-differences in falling.  Journal of Biomechanics, 40:1318-1325. Epub July 28, 2006.  Epub July 28, 2006.    (request copy)

23. Yang, F., Anderson, F. C., Pai, Y.-C., (2007).  Predicted threshold against backward balance loss in gait.  Journal of Biomechanics, 40:804-811.  Epub May 24, 2006.

24. Hemami, H., Barin, K., Pai, Y.-C., (2006).  Quantitative analysis of the ankle strategy under platform disturbance.  IEEE Transactions on Neural Systems & Rehabilitation, 14: 470-480.

25. Bhatt, T., Wening, J. D., Pai, Y.-C., (2006).  Adaptive control of gait stability in reducing slip-related backward balance loss.  Experimental Brain Research, 170(1): 61-73.  Epub December 13, 2005.

26. Pai, Y.-C., Yang, F. Wening J. D., Pavol, M. J., (2006).  Mechanisms of limb collapse following a slip among young and older adults.  Journal of Biomechanics, 39(12): 2194-2204.  Epub August 24, 2005. 

27. Bhatt, T., Wang, E., Pai, Y.-C., (2006).  Retention of adaptive control over varying intervals:  prevention of slip-induced backward balance loss during gait. Journal of Neurophysiology, 95(5):2913-22. Epub  Jan 11, 2006.

28. Irwin K. E., Wening, J. D., Bhatt, T., Pai, Y.-C., (2005).  Does knee osteoarthritis alter the neuromuscular responses to a perturbation during single lower limb stance?  Journal of Geriatric Physical Therapy, 28: 93-101.

29. Bhatt, T., Pai, Y.-C., (2005).  Long-term retention of gait stability improvements.  Journal of Neurophysiology; 94(3): 1971-1979.  Epub May 31, 2005. 

30. Bhatt, T., Wening, J. D., Pai, Y.-C., (2005).  Influence of gait speed on stability: recovery from anterior slips and compensatory stepping.  Gait & Posture, 21, 146–156.

31. Pavol, M. J., Runtz, E. F., Pai, Y.-C., (2004).  Diminished stepping responses lead to a fall following a novel slip induced during a sit-to-stand.  Gait & Posture, 20, 154-162.

32. Pavol, M.J., Runtz, E.F., Pai, Y.-C., (2004).  Young and older adults exhibit proactive and reactive adaptations to repeated slip exposure.  Journal of Gerontology: Medical Sciences, 59: 494-502.

33. Sharma, L., Cahue, S., Hayes, K., Song, J., Pai, Y.-C., Dunlop, D., (2003).  Physical functioning over 3 years in knee osteoarthritis: Role of psychosocial, local mechanical and neuromuscular factors.  Arthritis & Rheumatism, 48:3359-70.

34. Pai,Y.-C., Wening, J. D., Runtz, E. F., Iqbal, K., Pavol, M. J., (2003). Role of feedforward control of movement stability in reducing slip-related balance loss and falls among older adults.  Journal of Neurophysiology, 90:755-762.

35. Pai, Y.-C., (2003).  Movement termination and stability in standing.  Exercise and Sport Sciences Review, 31, 19-25.

36. Pavol, M. J., Pai, Y.-C., (2002).  Feedforward adaptations are used to compensate for a potential loss of balance.  Experimental Brain Research, 145(4), 528-38.

37. Pavol, M. J., Runtz, E. F., Edwards, B. J., Pai, Y.-C., (2002).  Age influences the outcome of a slipping perturbation during initial but not repeated exposures.  Journal of Gerontology: Medical Sciences, 57(8), M496-503.  (This manuscript was cited in the Editorial of the issue.)      

38. Grönqvist, R., Abeysekera, J. G., Gard, G., Hsiang, S. M., Leamon, T. B., Newman, D. J., Gielo-Perczak, K., Lockhart, T., Pai, Y.-C., (2001).  Human-centred approaches in slipperiness measurement.  Ergonomics, 44, 1167-1199.

39. Redfern, M. S., Cham, R., Gielo-Perczak, K., Grönqvist, R., Hirvonen, M., Lanshammar, H., Marpet, M., Pai, Y.-C., Powers, C., (2001).  Biomechanics of Slips.  Ergonomics, 44, 1138-1166.

40. Iqbal, K., Pai, Y.-C., (2000).  Predicted region of stability for balance recovery: Motion at the knee joint can improve termination of forward movement.  Journal of Biomechanics, 33, 1619-1627.

41. Pai, Y.-C., Maki, B. E., Iqbal, K., McIlroy, W. E., Perry, S. D., (2000).  Thresholds for step initiation induced by support-surface translation: a dynamic center-of-mass model provides much better prediction than a static model.  Journal of Biomechanics, 33, 387-392.

42. Patton, J. L., Lee, W. A., Pai, Y. C., (2000).  Relative stability improves with experience in a dynamic standing task.  Experimental Brain Research, 135, 117-26.

43. Pai, Y.-C., Iqbal, K., (1999).  Simulated movement termination for balance recovery: Can movement strategies be sought to maintain stability even in the presence of slipping or forced sliding?  Journal of Biomechanics, 32, 779-786.

44. Pai, Y.-C., (1999).  Induced limb collapse in a sudden slip during termination of sit-to-stand.  Journal of Biomechanics, 32, 1377-1382.

45. Patton, J. L., Pai, Y.-C., Lee, W. A., (1999).  Evaluation of a model that determines the stability limits of dynamic balance.  Gait & Posture, 9, 38-49.

46. Pai, Y.-C., Rogers, M. W., Patton, J., Cain, T. D., Hanke, T. A., (1998).  Static versus dynamic predictions of protective stepping following waist-pull perturbations in young and older adults.  Journal of Biomechanics, 30, 347-354.

47. Pai, Y.-C., Patton, J. L., (1997).  Center of mass velocity-position predictions for balance control. Journal of Biomechanics, 30, 347-354.

48. Pai, Y.-C., Rymer, W. Z., Chang, R. W., Sharma, L., (1997).  Effect of age and osteoarthritis on knee proprioception. Arthritis & Rheumatism, 40, 2260-2265.

49. Sharma, L. and Pai, Y.-C., (1997).  The relationship between impaired proprioception and osteoarthritis. Current Opinion in Rheumatology, 9, 253-258.

50. Sharma, L., Pai, Y.-C., Holtkamp, K., Rymer, W. Z., (1997).  Is knee joint proprioception worse in the arthritic knee vs. the uninvolved knee in unilateral knee osteoarthritis?  Arthritis & Rheumatism, 40, 1518-1525.

51. Rogers, M. W., Pai, Y.-C., (1995).  Organization of preparatory postural responses for the initiation of lateral body motion during goal directed leg movements.  Neuroscience Letters, 187, 1-4.

52. Pai, Y.-C., Rogers, M. W., Hedman, L. D., Hanke, T. A., (1994).  Alterations in weight-transfer capabilities in adults with hemiparesis.  Physical Therapy, 74, 105-118.

53. Pai, Y.-C., Naughton, B. J., Chang, R. W., Rogers, M. W., (1994).  Control of body center of mass momentum during sit-to-stand among young and elderly adults.  Gait & Posture, 2, 109-116.

54. Pai, Y.-C., Lee, W. A., (1994).  Effect of a terminal constraint on control of balance during sit-to-stand.  Journal of Motor Behavior, 26, 247-256.

55. Pai, Y.-C., Chang, H. J., Sinacore, J. M., Chang, R. W., Lewis, J. L., (1994).  Alteration in multijoint dynamics in patients with bilateral knee osteoarthritis.  Arthritis & Rheumatism, 37, 1297-1304.

56. Rogers, M. W., Hedman, L. D., Pai, Y.-C., (1993).  Kinetic analysis of dynamic transitions in stance suport accompanying voluntary leg flexion movements in hemiparetic adults.  Archives of Physical Medicine & Rehabilitation, 74, 19-25.

57. Michaels, C. F., Lee, W. A., Pai, Y.-C., (1993).  The organization of multisegmental pulls made by standing humans:I. Near-maximal pulls.  Journal of Motor Behavior, 25, 107-24.

58. Rogers, M. W., Pai, Y.-C., (1993)  Patterns of muscle activation accompanying transitions in stance during rapid leg flexion movements.  J Electromyography Kinesiol, 3, 149-56.

59. Pai, Y.-C., Rogers, M. W., (1991).  Speed variation and resultant joint torques during sit-to-stand.  Archives of Physical Medicine & Rehabilitation, 72, 881-885.

60. Pai, Y.-C., Rogers, M. W., (1991).  Segmental contributions to total body momentum in sit-to-stand.  Medicine & Science in Sports & Exercise, 22, 225-230.

61. Lee, W. A., Michaels, C. F., Pai, Y.-C., (1990)  The organization of torque and EMG activity during bilateral handle pulls by standing human.  Experimental Brain Research, 82, 304-14.

62. Rogers, M. W., Pai, Y.-C., (1990).  Dynamic transition in stance support accompanying leg flexion movement in man.  Experimental Brain Research, 81, 398-402.

63. Pai, Y.-C., Rogers, M. W., (1990).  Control of body mass transfer as a function of speed of ascent in sit-to-stand.  Medicine & Science in Sports & Exercise, 22, 378-384.

64. Pai, Y.-C., Hay, J. G., (1988).  A hydrodynamic study of the oscillation motion of swimming.  International Journal of Sport Biomechanics, 4, 21-37.

65. Pai, Y.-C., Hay, J. G., Wilson, B. D., (1984).  Stroking techniques  of elite swimmers.  International Journal of Sports Science, 2, 225-39.