Dr. Chris Kirtley MD, PhD

Associate Prof. Chris Kirtley MD, PhD
eMail: Tel: 202-319-6134, fax: 202-319-4287

Laboratory: Pangborn 119, Hours: Tues-Thurs 2-5 pm

Recent Publications

Education
1985 University of Leeds MD (Medicine)
1990 University of Strathclyde PhD (Bio-engineering)

Employment History


1985-86	Medical Internship, St. James University Hospital, Leeds, UK.
1986-89	Research Assistant, University of Strathclyde, UK.
1990-92	Consultant Bio-engineer, Polymedic Australian Medical Products, Brisbane.
1990-93	General Medical Practitioner, Queensland & Northern Territory, Australia.
1994-96	Lecturer, School of Physiotherapy, Curtin University of Technology, Perth.
1996-97	Research Fellow, Dept. of Physical Medicine & Rehabilitation, University of Vienna, Vienna General Hospital, Austria (European Commission TMR Program)
1997-2000	Assistant Professor, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University.
Mar. 2000-present	Associate Professor, Dept. of Biomedical Engineering, Catholic University of America (funded by The Whitaker Foundation)

Research Interests

Biomechanics: modeling, gait analysis
I've run the Clinical Gait Analysis web-site and email list (over 1000 subscribers) since 1996
Motor Control: motor synergies, tracking, using classical engineering control techniques
Multimedia: real-world representation of abstract biomechanical concepts, internet-based telematics
Electronics & Instrumentation
TeleRehabilitation & Tele-home care

Publications

Kirtley C, Whittle MW & Jefferson RJ (1985), Influence of Walking Speed on Gait Parameters., Journal of Biomedical Engineering 7(4): 282-8.

Kirtley C & Andrews BJ (1990), Control of Functional Electrical Stimulation with Extended Physiological Proprioception, Journal of Biomedical Engineering 12(3): 183-8.

Kirtley C (1992), Principles & Practice of Paraplegic Locomotion. Australian Orthotic Prosthetic 7(2): 4-7

Kirtley C & Smith RA (1996), Optical lever method for video-based micro-kinematic analysis, Medical & Biological Engineering & Computing, 34 (1): 101.

Barker TM, Kirtley C & Ratanapinunchai J (1998), Calculation of multi-segment rigid body joint dynamics using MATLAB. Proc. Instn. Mech. Engrs. Vol 211, Part H: 483-487.

Taylor CR, von Konsky BR, Kirtley C (1998) Polynomial Approximations of Gait for Human Motion Anaysis & Visualisation. Proc. 20th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS'98), Hong Kong Oct. 29 - Nov. 1st 1998, ISBN 0-7803-5164-9.

Kirtley C (1998) Use of Multimedia for Gait Analysis. Proc. 20th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS'98), Hong Kong Oct. 29 - Nov. 1st 1998, ISBN 0-7803-5164-9.

Kranzl A, Friedrich M, Kirtley C, Heiller I (2000) Spinal Posture During Stooped Walking Under Vertical Space Constraints. Spine 25:1118-1125.

Smith AW, Kirtley C, Lo SK & Jamshidi (2000) Clinical Measurement of Knee Extensor Muscle Spasticity using a Velocity-corrected Manual Muscle Test. Archives of Physical Medicine & Rehabilitation 81(10):1428-1431.

Nicolakis P, Nicolakis M, Piehslinger E, Ebenbichler G, Vachuda M, Kirtley C & Fialka-Moser V (2001) Relationship Between Craniomandibular Disorders and Poor Posture. Cranio, The Journal of Craniomandibular Practice 18 (2)

Wall JA & Kirtley C (2001) Strategies for Gait Assessment. Orthopaedic Physical Therapy Clinics of North America: Gait Across the Lifespan (Lusardi MM ed.) 10 (1): 35-54 (ISSN 1059-1516).

Kirtley C & Smith RA (2001) Application of Multimedia to the study of Human Movement. Multimedia Tools and Applications: 14 (3): 259-268.

Kirtley C (2001) The Importance of Ankle Push-off in Healthy and Pathological Gait.The British Journal of Podiatry: August: 259-268.

Wu G, Siegler S, Allard P, Kirtley C, Leardini A, Rosenbaum D, Whittle M, D'Lima DD, Cristofolini L, Witte H, Schmid O, Stokes I (2002) ISB recommendation on definitions of joint coordinate system of various joints for the reporting of human joint motion-part I: ankle, hip, and spine Journal of Biomechanics 35 (4): 543-548

Kirtley C (2002) New Technology in Gait Analysis, in Physical Medicine and Rehabilitation: State of the Art Reviews 16 (2): 361-373 (Gait analysis, Esquenazi A, ed.), Philadelphia, Hanley & Belfus, Inc.

Allard P, Cristofolini L, D'Lima DD, Kirtley C, Leardini A, Rosenbaum D, Schmid O, Siegler S, Stokes I, Whittle M, Witte H, Wu G (2003) Journal of Biomechanics, 36:2 : 303-304.

Abstracts etc.

Kirtley C & Kranzl A, (1997) New Diagnostic Technology in Rehabilitation. Rehab Management International 7(1): 60-62.

Kirtley C & Andrews BJ (Sep., 1989), Control of Functional Electrical Stimulation with Extended Physiological Proprioception Proc. 3rd International Symposium on Functional Electrostimulation, Vienna, 150-2

Kirtley C & McKay SK (June 28-July 3, 1992), Total Design of the "Walkabout": A new paraplegic walking orthosis Proc. 7th World Congress of International Society for Prosthetics & Orthotics, Chicago, 39.
Beating Heart><HR><H3>Transfer interrupted!</H3>McKay SK (June 28-July 3, 1992), The

Beating Heart><HR><H3>Transfer interrupted!</H3>McKay SK (June 28-July 3, 1992), The

Walkabout": modular paraplegic walking orthosis. Proc. 7th World Congress of International Society for Prosthetics & Orthotics, Chicago, 438.

Kirtley C (Feb. 7-9, 1995) Multimedia: a paradigm shift in the teaching of human movement. Proc. Teaching & Learning: a focus on learning, Edith Cowan University, Perth.

Kirtley C & Smith RA (April 2-7 1995), Influence of foot orthotics on tibialis anterior EMG Cheney GD. Proc. 7th World Congress of International Society for Prosthetics & Orthotics, Melbourne,

Kirtley C & Smith RA (April 2-7, 1995), Postural micro-kinematics & kinetics. Proc. 7th World Congress of International Society for Prosthetics & Orthotics, Melbourne,

Lowe WA, Kirtley C, Smith RA & Liston CB (April 2-7, 1995) Biomechanics of standing in diplegic cerebral palsy Proc. 7th World Congress of International Society for Prosthetics & Orthotics, Melbourne,

Kirtley C & Smith RA. (1-2 Feb., 1996), Movement Toolbox: a multimedia package for movement analysis Proc. 1st Australian Biomechanics Conference, Sydney 2-3.

Kippen C, Kirtley C, Wessel J & Smith RA. ( 1-2 Feb., 1996), Orthodigital prophylaxis for rheumatoid foot disorders Proc. 1st Australian Biomechanics Conference, Sydney 68-69.

Barker T, Burkett B, Kirtley C & Ratananapinunchai J. (1-2 Feb., 1996), Calculation of multi-segment rigid body human joint dynamics using MATLAB Proc. 1st Australian Biomechanics Conference, Sydney 32-33.

Kirtley C, Walsh L, Laing B & Sommer J. (Aug. 22-25, 1996), Control of the Centre of Gravity in Parkinson's Disease Proc. Intl. Conf. Bernstein's Traditions in Motor Control, Pennsylvania State University.

Kirtley C & Kranzl A. (November 3-6, 1997), Movement Analysis for Rehabilitation by Internet. MEDNET’97: The World Congress On The Internet In Medicine, Brighton, UK.

Kranzl A., Kirtley C., Kopf A., Strobl W. (1997), Ganganalyse, Auswertung und Interpretation via Internet. Oesterreichische Zeitschrift fuer Physikalische Medizin und Rehabilitation (ÖZPMR), 7(4) S 186

Kirtley C & Smith RA (Dec. 5-7, 1997), The Principle of Linear Synergy in Standing & Walking, 4th Biennial Motor Control & Human Skill Workshop, Perth, Australia

Kirtley C & Smith RA, (Dec 7-10 1997), Application of Multimedia to the Study of Human Movement. ASCILITE'97: Annual conference of The Australian Society for Computers in Learning in Tertiary Education Perth, Australia

Kirtley C, Kranzl A & Kwong Yui Y, (Jan 28-30 1998) Gait Analysis by Internet-based Telematics. 2nd Australian & New Zealand Society of Biomechanics Conference, Auckland, New Zealand

Allard P, Kirtley C, Rosenbaum D, Siegler S & Whittle MW ISB (May 1995) A joint co-ordinate system for the ankle complex, Standardization and Terminology Committee, May 1995.

Vladan Papic, Mojmil Cecic, Chris Kirtley, Mirjana Bonkovic, Vlasta Zanchi, Gait Analysis Via Internet, SOFTCOM '98, Workshop on Healthservices and Telemedicine, p.p. 1-5, Split, Dubrovnik-Croatia, Bari, Italy, October, 14-17, 1998.

Kirtley C, Smith RA, Kranzl A (1998) CGA: A World-wide Forum for Gait Analysis. Proc. IXth World Congress of the Internat. Soc. for Prosthetics & Orthotics, Amsterdam June 28-July 3, ISBN 90-74768-13-x, pp. 300-302

Kirtley C (1999) East Meets West in Hong Kong, Vicon "Standard" No. 1, 1999.

Kirtley C (1999) Gait Deviations in Response to Galvanic Vestibular Stimulation. International Soc. of Biomechanics XVII, Calgary, Canada, Aug. 8-13, ISBN 0-9684471-1-2, p. 173.

Smith AW, Kirtley C, Lo SK & Jamshidi M (1999) Clinical Measurement of Knee Extensor Muscle Spasticity using a Velocity-corrected Manual Muscle Test. International Soc. of Biomechanics XVII, Calgary, Canada, Aug. 8-13, ISBN 0-9684471-1-2, p. 468.

Kirtley C. EMG horometry for quantification of muscle activity. European Medical & Bioengineering Conference, EMBEC'99, Vienna, Nov. 5-8, 1999.

Winters J, Rosen M & Kirtley C (1999) Video & Teleconferencing for Increased Productivity. International Mechanical Engineering Congress & Exhibition. Annual Confence of the American Society for Mechanical Engineers, Nashville, Tennessee, USA, Nov. 14-19, 1999.

Kirtley C, Abandonment Of Linear Synergy During Negotiation Of Obstacles & Stair Climbing. 5th Biennial Motor Control & Human Skill Research Workshop, Gold Coast, Australia, 27th - 30th January, 2000.

Kirtley C, A.W. Smith, K.P. Ng, T.L. Tsang, L.K. Shum, & S.K. Suen, Relationship Of Body Center Of Mass To The Base Of Support. 3rd Australian and New Zealand Society of Biomechanics Conference, Gold Coast, Australia, 31st Jan. - 1st Feb. 2000.

Kirtley C, Clinical Gait Analysis, O & P Business World, 2(2) 1999.

Kirtley C and Tong K, Insole Gyro System For Gait Analysis. RESNA 2000

Kirtley C & Kranzl A. Direct Comparison of Two 3D Gait Software Models. Sixth International Symposium on the 3-D Analysis of Human Movement, Cape Town, South Africa, May 1 - 4, 2000: 95-97.

Kirtley C, Measurement of 3D Foot Kinematics by Video-Based Motion Analysis. Static and Dynamic Classification of the Foot, May 19 - 20, 2000 Annapolis, MD.

Kirtley C, Modelling techniques in gait analysis (invited speaker), Tenth Triennial World Congress of ISPO (International Society for Prosthetics & Orthotics) Glasgow, Scotland, 1-6 July 2001 (Symposium SY20)

Kirtley C & Heller B, Instrumented Insole for Gait Analysis, Tenth Triennial World Congress of ISPO (International Society for Prosthetics & Orthotics) Glasgow, Scotland, 1-6 July 2001: MO8.5

Kirtley C, An Instrumented Insole For Kinematic And Kinetic Gait Measurements, Proc. 5th Symp. on Footwear Biomechanics (eds. Hennig E & Stacoff A), Zurich, Switzerland, 2001: 52-53.

Kirtley C (2001) Gait Analysis from the Ground Up. Rehab Management 14(1): 46-49.

Kirtley C, Cisper J, Sukal T & Wall A (2002) Normalization for Autointerpretation of Gait Analysis Data
Gait and Clinical Movement Analysis Society (GCMAS), Chattanooga, Tennessee, April 17-20.

Kirtley C & Heller B (2002) Ambulatory Gait Analysis by Instrumented Insole, Gait and Clinical Movement Analysis Society (GCMAS), Chattanooga, Tennessee, April 17-20.

Kirtley C (2002) Sensitivity of the Modified Helen Hayes Model to Marker Placement Errors. Seventh International Symposium on the 3-D Analysis of Human Movement, Newcastle, UK, July 10-12.