| 35. |
Kim, S., Lockhart, T.E., and Nam, C.S., (In press), Leg Strength Comparison among Three Different Age Groups; Are Middle-age Workers Stronger than Older or Younger Workers? International Journal of Industrial Ergonomics, May, 2009. |
| 34. |
Kim, S., and Lockhart, T.E., (In press), Effects of 8 weeks of balance or weight training for the independently living elderly on the outcomes of induced slips. International Journal of Rehabilitation Research, May, 2009. |
| 33. |
Lockhart, TE, Kim, S., Kapur, R., and Jarrott, S., (In press), Evaluation of gait characteristics and ground reaction forces of cognitively declined older adults with emphasis on slip-induced fall accidents. Assistive Technology Journal, accepted December, 2008. |
| 32. |
Kim S., and Lockhart, TE, Roberto, K., (In press), The effects of 8-week balance training or weight training for the elderly on fear of falling measures and social activity levels. Quality in Ageing, accepted January, 2009. |
| 31. |
Liu, J., and Lockhart, T.E., (2009), Age-related joint moment characteristics during normal gait and successful reactive recovery from unexpected slip perturbations. Gait and Posture, 30, 276-281. |
| 30. |
Lee, M., Roan, M., Smith, B., and Lockhart, T.E., (2009), Gait analysis to classify external load conditions using linear discriminant analysis. Human Movement Science, 28(2), 226-35. |
| 29. |
Parijat, P., and Lockhart, T.E., (2008), Effects of lower extremity muscle fatigue on the outcomes of slip-induced falls. Ergonomics, 51(12),1873-84. |
| 28. |
Lockhart, T.E., and Liu, J., (2008), Differentiating fall-prone and healthy adults using local dynamic stability. Ergonomics, 51(12) 1860-72. |
| 27. |
Parijat, P., and Lockhart, T.E., (2008), Effects of quadriceps fatigue on the biomechanics of gait and slip propensity. Gait and Posture, 28(4), 568-573. |
| 26. |
Liu, J., Lockhart, T.E., Jones, M., and Martin, T., (2008), Local Dynamic Stability Assessment of Motion Impaired Elderly using Electronic Textile Pants. IEEE Transactions in Automation Science and Engineering, 5:4, 696-702. [abstract] |
| 25. |
Granata K.P., and Lockhart T.E., (2008), Dynamic stability differences in fall-prone and healthy adults. J. Electromyography & Kinesiology, 18, 172-178. [abstract] |
| 24. |
Lockhart T.E., (2008), An integrated approach towards identifying age-related mechanisms of slip initiated falls. J. Electromyography & Kinesiology, 18, 205-217. [abstract] |
| 23. |
Kim, S., Lockhart, T.E., (2008), The Effects of 10% Front Load Carriage on the Likelihood of Slips and Falls. Industrial Health, 46, 32-39. [abstract] |
| 22. |
Lockhart T.E, Spaulding J., and Park, S. H., (2007), Age-related slip avoidance strategy while walking over a known slippery floor surface. Gait & Posture, 26:1, 142-149. [abstract] |
| 21. |
Liu, J, and Lockhart, T.E., (2006), Comparison of 3D joint moments using local and global inverse dynamics approaches among three different age groups. Gait and Posture, 23:4, 480-485. [abstract] |
| 20. |
Lockhart, T.E., and Kim, S.W., (2006), Relationship Between Hamstring Activation Rate and Heel Contact Velocity: Factors Influencing Age-Related Slip-Induced Falls. Gait and Posture, 24:1, 23-34. [abstract] |
| 19. |
Lockhart, T.E., Smith, J.L., and Woldstad, J.C., (2005), Effects of aging on the biomechanics of slips and falls. Human Factors, 47:4, 708-729. [abstract] |
| 18. |
Yoon, H.Y., and Lockhart, T.E., (2005), Nonfatal occupational injuries associated with slips and falls in the US. International Journal of Industrial Ergonomics, 36, 83-92. [abstract] |
| 17. |
Kim, S.W., and Lockhart, T.E., (2005), Relationship between walking velocity and slip-induced fall accidents. Safety Science, 43, 425-436. [abstract] |
| 16. |
Edmison, J., Jones, M., Lockhart T., and Martin T., (2004), An e-textile system for motion analysis. Stud Health Technology Informatics. 108:292-301. [abstract] |
| 15. |
James, C. R., Sizer, P. S., Starch, D. W., Lockhart, T.E., and Slauterbeck, J. R., (2004), Gender differences among sagittal plane knee kinematic and ground reaction force characteristics during a rapid sprint and cut maneuver. Research Quarterly Exercise Sport, 75:1, 31-38. [abstract] |
| 14. |
Lockhart, T.E., Woldstad, J.C., and Smith, J.L., (2003), Effects of age-related gait changes on biomechanics of slips and falls. Ergonomics, 46:12 1136-1160. [abstract] |
| 13. |
Lockhart, T.E., Woldstad, J.C., Smith, J.L., and Ramsey, J.D., (2002), Effects of age related sensory degradation on perception of floor slipperiness and associated slip parameters, Safety Science, 40, 689-703. [abstract] |
| 12. |
Lockhart T, E., Woldstad J. C., and Smith J. L., (2002), Assessment of slip severity among different age groups, Metrology of Pedestrian Locomotion and Slip Resistance. American Society for Testing and Materials, ASTM STP, 1424, 17-32. [abstract] |
| 11. |
Gronqvist Raoul, Abeysekera John, Gard Gunvor, Hsiang Simon M., Leamon Tom B., Newman Dava J., Gielo-Perczak Krystyna, Lockhart Thurmon E., Pai Clive Y.-C., (2001), Human-centred approaches in slipperiness measurement. Ergonomics, 44:13 1167-1199. [abstract] |
| 10. |
Bunterngchit, Y., Lockhart, T.E., Woldstad, J.C., and Smith, J.L. (1999), Age related effects of transitional floor surfaces and obstruction of view on gait characteristics related to slips and falls. International Journal of Industrial Ergonomics, 25, 223-232. [abstract] |
| 62. |
Lockhart, T.E., & Parijat, P (2008), Influence of localized muscle fatigue of the knee joint on kinematics and kinetics related to fall accidents. National Occupational Injury Research Symposium, Pittsburg, Pennsylvania, October 21, 2008. |
| 61. |
Haynes, C.A., & Lockhart, T.E., (2008), Differences in gait parameters between non-disabled and intellectually disabled adults. Proceedings of the Human Factors and Ergonomics Society 52nd Annual Meeting, 1068-1072, New York, NY. |
| 60. |
Parijat, P., Lockhart, T.E., and Liu, J., (2008), Knee Joint Kinetics During Reactive Recovery: Effects of Localized Muscle Fatigue. Proceedings of the Human Factors and Ergonomics Society 52nd Annual Meeting, 1078-1082, New York, NY. |
| 59. |
Shi, W. and Lockhart, T.E., (2008), Age-Related Dynamic Accommodative Performance and Driving Safety. Proceedings of the XX Annual ISOES Conference, 204-209, Chicago, IL, USA, June 12-13. |
| 58. |
Haynes, C.A., Lockhart, T.E., and Liu, J., (2008), Effects of Weight and Balance Training on Gait Parameters among Individuals with Mental Retardation. Proceedings of the XX Annual ISOES Conference, 69-74, Chicago, IL, USA, June 12-13. |
| 57. |
Kim, S. and Lockhart, T.E., (2008), Effects of 8-Week Exercise Training on the Likelihood of Slips and Falls. Proceedings of the XX Annual ISOES Conference, 80-83, Chicago, IL, USA, June 12-13. |
| 56. |
Liu, J., Lockhart, T.E., Zhang, X., Saxena, S., and Parijat, P., (2008). Spatio-temporal gait parameters estimation from inertial measurement on the wrist. Proceedings of the XX Annual ISOES Conference, 69-74, Chicago, IL, USA, June 12-13. |
| 55. |
Lee, M.,Roan, M. and Lockhart, T.E., (2008), Lean and overweight differences in lower body kinematics while evenly distributed load carrying. GCMAS, April 2-4, 2008, Richmond, VA. USA. |
| 54. |
Lee, M.,Roan, M. and Lockhart, T. (2007), Principal component analysis for gait temporal waveform data between loaded and unloaded walking. Biomedical Engineering Society Conference, 9- 26~29, Los Angles, CA USA. |
| 53. |
Haynes, C.A. & Lockhart, T.E. (2007), Static postural stability of individuals with mental retardation before and after weight and balance training. 31st Annual Meeting of the American Society of Biomechanics, Stanford, CA, August 22-25, 2007. |
| 52. |
Lockhart, T. E. & Liu, J.,. (2007), Local dynamic stability assessment utilizing inertial sensors to differentiate fall prone elderly. IEA, International Conference on Slips, Trips and Falls 2007: From Research to Practice, Hopkinton, MA, USA, August 23-24. |
| 51. |
Liu, J., Lockhart, T. E., & Granata, K. (2007), Effect of Load Carrying on Local Dynamic Stability. Human Factors and Ergonomics Society 51st Annual Meeting, Maryland, October 1-5, MD, USA. |
| 50. |
Shi, W., and Lockhart, T.E. (2007), Investigating the Dynamic Accommodative Characteristics of the Aging Eye with the Control of the Intensity and Chromaticity of Light. Proceedings of HFES 2007 Conference, October 2007, Baltimore, MD, USA. |
| 49. |
Shi, W., Lockhart, T.E., and Atsumi, B. (2007), Dynamic Accommodative Performance on Dashboard Reading for Aging Drivers in the US. Proceedings of JSAE 2007 Congress, October 2007, Kyoto, Japan. |
| 48. |
Davis, T., and Lockhart, T.E., (2007),? Effects of stress, coping style, and confidence on basic combat training attrition.? Proceedings of HFES 2007 Conference, October 2007, Baltimore, MD, USA. |
| 47. |
Parijat P, Lockhart T E (2007), Influence of localized muscle fatigue of knee joint on gait parameters related to slip propensity. Proceeding of the 51st Annual Human Factors and Ergonomics meeting, Oct 1-5, Baltimore, USA. |
| 46. |
Parijat P, Lockhart T E (2007), Effects of localized muscle fatigue of the knee joint on reactive recovery mechanisms. Proceeding of the Slips, Trips and Falls ? Research to Reality Conference, Aug 22-24, 2007, Boston, USA. |
| 45. |
Liu, J., & Lockhart, T. E. (2006), Age-related Upper Limb Response Strategies to Unexpected Slips. 16th World Congress of the IEA, Maastricht, the Netherlands. |
| 44. |
Parijat, P, Lockhart, T.E., Liu, J., and Haynes, C., (2006), Analysis of gait characteristics in mentally handicapped individuals. Proceedings of the American Society of Biomechanics Annual Meeting, Sept. 2006, Blacksburg, VA. |
| 43. |
Kim, S. and Lockhart, T.E., (2006), Gait Asymmetry: Factors Influencing Slip Severity and Tendency among Older adults. Proceedings of the Human Factors and Ergonomics Society 49th Annual Meeting, October16- 20, San Francisco, USA, Industrial Ergonomics, Slips and Falls. |
| 42. |
Liu, J. and Lockhart, T.E., (2006), Aging Effect on Initial Postural Responses of Unperturbed Foot to Unexpected Slips - HF Proceedings of the Human Factors and Ergonomics Society 49th Annual Meeting, October16- 20, New Orleans, USA, Industrial Ergonomics, Slips and Falls. |
| 41. |
Ghosh, A., and T. Lockhart, (2005), Effects of Multi-Modal Warning Systems on Perceived Urgency of Elderly Drivers. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 371-375, Las Vegas Nevada, USA, June 2005, Warnings. |
| 40. |
Davis, T., and T. E. Lockhart, (2005), The Effects of Age on Stress and the Biomechanics of Slips and Falls. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 574-576, Las Vegas Nevada, USA, June 2005, Slips and Falls 3. |
| 39. |
Ira, J., T. E. Lockhart, and K. Po, (2005), The Influence of Functioning Level, Age Group and Gait Characteristics on the Falling Frequency of Mentally Retarded Individuals. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 556-562, Las Vegas Nevada, USA, June 2005, Slips and Falls 4. |
| 38. |
Kim, S., and T. E. Lockhart, (2005), Prediction of Fallers and Non-fallers. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 550-554, Las Vegas Nevada, USA, June 2005, Slips and Falls 4. |
| 37. |
Liu, J., T. E. Lockhart, and K. P. Granata, (2005), Reaction Moment At The L5/S1 Joint During Unexpected Step Perturbation While Load Carrying. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp123-127, Las Vegas Nevada, USA, June 2005, Manual Material Handling. |
| 36. |
Liu, J., and T. E. Lockhart, (2005), Aging Effect on Joint Moment Response Time During Successful Reactive-Recovery from Unexpected Slips. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 563-567, Las Vegas Nevada, USA, June 2005, Slips and Falls 3. |
| 35. |
Lockhart, B. Atsumi, P. Raj, and A. Ghosh, (2005), Assessment of Age Related Effects on Daytime and Nighttime Visual Acuity. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 571- 581, Las Vegas Nevada, USA, June 2005, Human Factors 2. |
| 34. |
Parijat, P., T. E. Lockhart, K. P. Granata, J. Liu, and K. Park, (2005), Effects of Load Carrying on Trunk Dynamics During Unexpected Slip and Recovery. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 568-571, Las Vegas Nevada, USA, June 2005, Slips and Falls 4. |
| 33. |
Park, S. H., T. E. Lockhart, and H-Y. Yoon, (2005), Effects Sound on Postural Stability During Standing. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 467-471, Las Vegas Nevada, USA, June 2005, Slips and Falls 3. |
| 32. |
Shi, W., and T. E. Lockhart, (2005), Effects of Spectral Wavelength on Visual Performance of the Elderly Drivers. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 583-587, Las Vegas Nevada, USA, June 2005, Human Factors 3. |
| 31. |
Yoon H.Y., T. E. Lockhart, and S. H. Park, (2005), The Comparison Study of Nonfatal Occupational Injuries of Fall and Slip between United States and Korea. Proceedings of the XIX Annual International Occupational Ergonomics and Safety Conference 2005, pp 63-69, Las Vegas Nevada, USA, June 2005, Ergonomics in Korea. |
| 30. |
Martin, T., Lockhart, T., Jones, M., and Edmison, J., (2004), Electronic Textile for In Situ Biomechanical Measurements. 24th Army Science Conference, November 29, Orlando, Florida. KP-07. |
| 29. |
Liu, J, Lockhart T. E., (2004), Role of ankle joint in successful reactive-recovery: A 3D joint moment analysis. Proceedings of the Human Factors and Ergonomics Society 48th Annual Meeting, September 20-24, New Orleans, USA, Industrial Ergonomics, Slips and Falls. |
| 28. |
Yoon, H.Y., Park, M.Y., Kim, S.W., and Lockhart T. E., (2004), Effects of the whole-body COM velocity on RCOF. Proceedings of the Human Factors and Ergonomics Society 48th Annual Meeting, September 20-24, New Orleans, USA, Industrial Ergonomics, Slips and Falls. |
| 27. |
Mekaroonreung, H., and Lockhart T. E., (2004), Trait-based individual differences on discomfort glare rating responses. Proceedings of the Human Factors and Ergonomics Society 48th Annual Meeting, September 20-24, New Orleans, USA, Individual Differences I. |
| 26. |
Lockhart, T.E. and Atsumi, B., (2004). Effects of Planar and Nonplanar Driver-Side Mirrors on Subjective Discomfort-Glare Responses Among Young and Old. Society of Automotive Engineer (SAE) 2004 World Congress, Detroit, MI, USA, March 2004. Human Factors in Driver Vision & Lighting. SAE Technical Paper: SP-1879. |
| 25. |
Lockhart, T.E., (2004), The Effects of Age and Stress Associated with a Fear of Falling on Gait Adjustments, In P. T. McCabe (ed.), Contemporary Ergonomics 2004, CRC Press, Boca Raton, FL, pp. 98-102. |
| 24. |
Liu J. and Lockhart T. E., (2003), Differences in Localization and Dynamic Simulation Methods in Joint Moments Determination during Normal Walking. Proceedings of the XVth Triennial Congress of the International Ergonomics Association, Seoul Korea, August 24-29, 2003, Volume V, Slip Trips and Falls (Biomechanics). |
| 23. |
Spaulding J. M., Lockhart T. E., Van Goubergen, D, and Park, M. Y., (2003), Effects of Age on Adjustment of Gait Parameters and Muscle Activity. Proceedings of the XVth Triennial Congress of the International Ergonomics Association, Seoul Korea, August 24-29, 2003, Volume V, Slip Trips and Falls (Human Centered Approaches). |
| 22. |
Kim S. and Lockhart T. E., (2003), Age-Related Changes in Hamstring Activation Rate and Its effects on Initiation of Slip While Walking over a Slippery Floor Surface. Proceedings of the XVth Triennial Congress of the International Ergonomics Association, Seoul Korea, August 24-29, 2003, Volume V, Slip Trips and Falls (Biomechanics). |
| 21. |
Fraser B., Van Goubergen D., and Lockhart T.E., (2003), Introduction of Human Factors Principles in the Design for Fast Changeover. Proceedings of the XVth Triennial Congress of the Intern. Ergonomics Association, Seoul Korea, August 24-29, 2003, Volume I, Ergonomics in Manufacturing III. |
| 20. |
Davis, T., and Lockhart, T. E., (2003), The Effects of Age on Stress and The Biomechanics of Slips and Falls. Proceedings of the Human Factors and Eregonomics Society 47th Annual Meeting, October 13-17, Denver Colorado USA, Industrial Ergonomics, Stability and Gait, pp 1131-1135. |
| 19. |
Spaulding J. M., Lockhart T. E., (2003), The Effects of Age on Gait Parameters During Adjustment. Proceedings of the Human Factors and Eregonomics Society 47th Annual Meeting, October 13-17, Denver Colorado USA, Industrial Ergonomics, Stability and Gait, pp 1136-1140. |
| 18. |
Van Goubergen, D., and Lockhart, T.E., (2003), Human Factors Aspects in Set-Up Time Reduction. Proceedings of the IFIP WG 5.7 Working Conference on Human Aspects in Production Management, Karlsruhe, Germany, October 5, 2003, Volume 5, pp 75-81. |
| 17. |
Lockhart, T.E., (2002), Relationship Between Transitional Acceleration of the Whole Body Center-of-Mass and Friction Demand Characteristic During Gait. Human Factors and Ergonomic Society (HFES), 46th Annual Meeting, Baltimore, Maryland, September 23, 2002. pp 100-106. |
| 16. |
Kim, S., and Lockhart, T.E., (2002), Effects of age-related changes in hamstring activation rate and heel contact velocity on the biomechanics of slips and falls. The Proceeding of the XVI Annual International Society of Occupational Ergonomics and Safety (ISOES), Toronto, Canada, June, 9, 2002. Slips, Trips & Falls III. Session 5-2, pp 1-5. |
| 15. |
Davis, T., and Lockhart, T.E., (2002), Relationship between age and anxiety on the biomechanics of slips and fall. The Proceeding of the XVI Annual International Society of Occupational Ergonomics and Safety (ISOES), Toronto, Canada, June, 9, 2002. Slips, Trips & Falls III. Session 5-3, pp 1-5. |
| 14. |
Spaulding, J.M., and Lockhart, T.E., (2002), The effects of age and fear of falling on muscle activity patterns of the lower extremities during normal and adjusted human gait. The Proceeding of the XVI Annual International Society of Occupational Ergonomics and Safety (ISOES), Toronto, Canada, June, 9, 2002. Slips, Trips & Falls III. Session 5-1, pp 1-6. |
| 13. |
Khuvasanont, T., and Lockhart, T.E., (2002), Age-related ankle strength and the effects on the slip-induced falls. The Proceeding of the XVI Annual International Society of Occupational Ergonomics and Safety (ISOES), Toronto, Canada, June, 9, 2002. Slips, Trips & Falls III. Session 5-4, pp 1-5. |
| 12. |
Lockhart, T.E., (2002), Relationship between heel acceleration and friction utilization during slipping among young and older adults. Gait and Clinical Movement Analysis Society/Biomechanical Modeling and Analysis, Chattanooga Tennessee, April, 19, 2002. pp 60-62. |
| 11. |
Lockhart, T.E., (2002), Relationship between postural control and slip response among different age groups. Gait and Clinical Movement Analysis Society/Biomechanical Modeling and Analysis, Chattanooga Tennessee, April, 19, 2002. pp 62-64. |
| 10. |
Lockhart, T.E., (2001), Can gait changes associated with aging affect initiation of slip induced falls? International Conference on Computer-Aided Ergonomics and Safety (CAES), Maui, Hawaii, July, 2001. pp 1-6. |
| 9. |
Lockhart, T.E., (2001), Gait and postural changes associated with aging and its effect on initial friction demand and outcome of slips and falls. Symposium on the Metrology of Pedestrian Locomotion and Slip Resistance, ASTM Headquarters, West Conshohocken, Pennsylvania, June, 2001. pp 1-4. |
| 8. |
Lockhart, T.E., Woldstad, J.C., Smith, J.L., and Ramsey J.D (2001), Does Age-Related Sensory Degradation Affect Outcome of Slips and Falls? Advances in Occupational Ergonomics and Safety, A. Bittner Jr., P. Champney, and S. DegradationMorrissey (Ed.), 9, 323-330. |
| 7. |
Lockhart, T.E., Smith, J.L., Woldstad, J.C., and Lee, P.S., (2000), Effects of Musculoskeletal and Sensory due to Aging on the Biomechanics of Slips and Falls. Proceedings of the IEA/HFES Conference, 2000. pp 83-86. |
| 6. |
Lockhart, T.E., Smith, J.L., Woldstad, J.C., and Hsiang, M., (2000), Prediction of Falls Using a Robust Definition of Slip Distance and Adjusted Required Coefficient of Friction. Proceedings of the IEA/HFES Conference, 2000. pp 506-509. |
| 5. |
Sizer, P. S., Starch, D. W., Slauterbeck, J. R., James, C. R., and Lockhart, T. E. (2000). Kinematic and ground reaction force comparison of male and female athletes performing a rapid cut. Medicine and Science in Sports and Exercise, 32(5) Supplement, Abstract #623. |
| 4. |
Woldstad, J.C., Lockhart, T.E., and Smith, J.L. (1998), Towards a Re-Definition of Heel Strike and Slip Distance. Advances in Occupational Ergonomics and Safety, S. Kumar (Ed.), 2, 100-103. |
| 3. |
Lockhart, T.E., and Woldstad, J.C., (1997), Slips and Falls in the Elderly. Proceedings of the Sixth Annual Institute of Industrial Engineering Research Conference, pp. 179-185. |
| 2. |
Lockhart, T.E., (1997), The Ability of Elderly People to Traverse Slippery Walking Surfaces, Proceedings of the Human Factors and Ergonomics Society 41st Annual Meeting, September, 1997. pp 125-129. |
| 1. |
Lockhart, T.E., and Woldstad, J.C., (1997), The Biomechanics of Slips and Falls in the Elderly, Proceedings of the International Ergonomics Association 13th Triennial Congress, Tampere, Finland, June, 1997. pp 112-115. |
Selected Peer-Reviewed Publications