EDUCATION:
1988 Ph.D. Bioengineering, University of California, San Diego, California
1983 M.S. Biomedical Engineering, University of Alabama at Birmingham,
1979 B.S. Civil Engineering, Clemson University, Clemson, South Carolina
PROFESSIONAL: Registered Professional Engineer, State of Alabama,
EXPERIENCE:
2000 - Present: President, Vector Medical Inc. Navarre, Florida
1996 - Present: Adjunct Associate Professor
Department of Mechanical Engineering, University of South
Alabama
1995 - Present: Adjunct Assistant Professor
Department of Orthopaedic Surgery, University of South Alabama,
1995 - Present: President, Blue Bay Research Inc. Navarre, Florida
1988-1995 Assistant Professor, Department of Orthopaedic Surgery, Head, Section of Biomechanics, University of Arkansas for
Medical Sciences
1984-1988 Orthopaedic Biomechanics Lab, University of California, San Diego, La Jolla, California
1983 School of Engineering, University of Alabama at Birmingham, Birmingham, Alabama
1979-1982 Structural Design Engineer, BE&K Engineering Company, Birmingham, Alabama
AWARDS: The American Orthopaedic Society for Sports Medicine:
Excellence in Research as Applied to Sports Medicine Award
Clinical Science (Coauthor), 1990.
The American Orthopaedic Society for Sports Medicine:
Excellence in Basic Science Research Award
Sports Science (Coauthor), 1986.
1997-98 ACL Study Group Research Award. Effects of ACL Injury and Reconstruction on Meniscal Strain.
PUBLICATIONS:
Theses:
Cyclic and Mechanical Testing of Instrumented Swine Spines, Masters Thesis, University of Alabama at Birmingham, Birmingham, AL, 1983.
Development and Application of a Method for Determining the In Situ Forces in Anterior Cruciate Ligament Fiber Bundles, Ph.D. Dissertation, University of California, San Diego, CA, 1988.
Papers:
Cyclic Axial Loading of Spinal Implants. Spine 10(9):792-798 (1985).
A Cement Composite Delivery System. Orthopaedic Review 15:581-585 (1986).
Treatment of Medial Collateral Ligament Injury: The 1986 American Orthopaedic Society for Sports Medicine Excellence in Research Award (Sports Science). Am J Sports Med 15(1):15-21 (1987).
The Effects of Knee Flexion on the Structural Properties of the Rabbit Femur-Anterior Cruciate Ligament Tibia Complex (FATC). Journal of Biomechanics 20(6):557-563 (1987).
Sustained Pressurization of Polymethylmethacrylate - A Comparison of Low and Moderate Viscosity Bone Cements. Journal of Orthopaedic Research 6(4): 580-584 (1988).
Use of Patellar Tendon Autograft for Anterior Cruciate Ligament Reconstruction in the Rabbit: A Long-Term Histological and Biomechanical Study. Journal of Orthopaedic Research 7(4):474-485 (1989).
A New Device to Measure the Structural Properties of the Femur-Anterior Cruciate Ligament-Tibia Complex. Journal of Biomechanical Engineering 111:350-354 (1989).
The Effects of Knee Motion and External Loading on the Length of the Anterior Cruciate Ligament (ACL): A Kinematic Study. Journal of Biomechanical Engineering 113:208-214 (1991).
Tensile Properties of the Human Femur-Anterior Cruciate Ligament-Tibia Complex: The Effects of Specimen Age and Orientation. Am J Sports Med 19(3):217-225 (1991).
Use of a Six Degree of Freedom Position Control Actuator to Study Joint Mechanics. Advances in Bioengineering 20:409 (ASME) (1991).
Plexiglass Modified Spun Low Viscosity Embedding Medium Composite Mold System for Study of the Effect of Micromotion on Bone Ingrowth. Journal of Histotechnology 16(2):145 (1993).
A Biomechanical Evaluation of an Intramedullary Fixation Device for Intertrochanteric Fractures. J Trauma 35:23-27 (1993).
Initial Stability of Porous Coated Acetabular Implants: The Effect of Screw Placement, Screw Tightness, Defect Type, and Oversize Implants. Clinical Orthopaedics 307:117-123 (1994).
Simulated Lateral Ankle Ligament Injury: Change in Ankle Stability. Am J Sports Med 23(6):672-677 (1995).
Biomechanical Comparison of Reconstruction Techniques in Simulated Lateral Ankle Ligament Injury. Am J Sports Med 23(6):678-682 (1995).
Biomechanical Analysis of Patellar Tendon Allografts as a Function of Age. Am J Sports Med 23(3):354-358 (1995).
A Six-Degree-of-Freedom Test System for the Study of Joint Mechanics and Ligament Forces. J of Biomechanical Engineering 117:383-389 (1995).
Analysis of a Biodegradable Composite for Bone Healing. J of Biomedical Materials Research 32:419-424 (1996).
Instrumented Measurement of Anterior-Posterior and Inversion-Eversion Laxity of the Normal Ankle Joint Complex. Foot & Ankle Int 20(12):808-14, (1999).
Change in Mensical Strain with ACL Injury and After Reconstruction. Am J Sports Med 28(5):700-04 (2000).
The Strength of a Cement Acetabular Locking Mechanism. The Journal of Arthroplasty 16(6):748-52 (2001).
A Biomechanical Comparison of Reconstruction Techniques for Disruption of the Acromioclavicular and Coracoclavicular Ligaments. J Southern Ortho Assoc. Spring 2002: 11(1):11-17.
Assessment of Ankle-Subtalar-Joint-Complex Laxity Using an Instrumented ankle Arthrometer: An Experimental Cadaveric Investigation. Journal of Athletic Training. 2002; 37(4):467-474.
A Biomechanical Comparison of Three Lower Extremity Tendons for Ligamentous Reconstruction about the Knee. Arthroscopy. Vol 19, No. 10, 2003.
The Effect of Posterior Cruciate Ligament Injury and Reconstruction Upon Meniscal Strain. The American Journal of Sports Medicine. In Press.
Book Chapters:
Estimation of ACL Loads in situ: Indirect Methods. In: The Anterior Cruciate Ligament: Current and Future Concepts, D.W. Jackson (ed.), Raven Press.
Mechanical Properties and Use of Orthopaedic Graft Tissues in Encyclopedia Handbook of Biomaterials and Bioengineering Part A: Materials. Wise, D.L. (ed.) Marcel Dekker, Inc., 1(16):517-539 (1995).
Factors Affecting Bone Ingrowth in Encyclopedia Handbook of Biomaterials and Bioengineering Part B: Applications. Wise, D.L. (ed.) Marcel Dekker, Inc., l(29):799-821 (1995).
INVITED LECTURES
Biomechanics of Lateral Ankle Ligament Reconstruction. Orthopaedic Invited Speaker, University of Colorado Health Science Center, Department of Orthopaedics, March, 1993.
Biomechanics of Lateral Ankle Ligament Reconstruction. Inaugural Symposium Honoring the Establishment of the Albert B. Ferguson, Jr., M.D. Endowed Chair in Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, April, 1993.
Effect of ACL Injury & Reconstruction on Meniscal Strain. Joint Biomedical Engineering, Materials Engineering and Mechanical Engineering Graduate Seminar, University of Alabama at Birmingham, Birmingham, AL, February 4, 1997.
Effects of ACL Injury and Reconstruction on Meniscal Strain. Award Paper, 1998 ACL Study Group Meeting, Beaver Creek, CO (1998).
MEETING PRESENTATIONS
A Biomechanical Investigation of Segmental and Distraction Spinal Instrumentation. World Congress on Biomaterials, Washington, D.C. (1984).
Effect of Age and Loading Axis on the Failure Properties of the Human ACL. Orthopaedic Research Society, Atlanta, GA (1988).
Load Determination in ACL Fiber Bundles Under Knee Loading. Orthopaedic Research Society, Atlanta, GA (1988).
A Methodology for in situ Strain and Force Estimation in Anterior Cruciate Ligaments and Substitutes. Third World Biomaterials Congress, Kyoto, Japan, April (1988).
Force Distribution in the Anterior Cruciate Ligament as a Function of Flexion Angle. Biomechanics Symposium, ASCE/ASME Mechanics Conference, La Jolla, CA (1989).
Factors affecting the initial stability of porous ingrowth acetabular prosthesis. Orthopaedic Research Societies of U.S.A., Japan, and Canada. Banff, Alberta, Canada (1991).
Differential Loads in Tissues During Limb Lengthening. Orthopaedic Research Society, Washington D.C. (1992).
Development of a Transcortical Model for the Quantification of the Effect of Micromotion on Ingrowth into Porous Coated Implants. Orthopaedic Research Society, Washington D.C. (1992).
Biomechanical Comparison of Ankle Ligament Reconstruction Techniques. Orthopaedic Research Society, San Francisco, CA (1993).
Effect of Micromotion on Ingrowth into Porous Coated Implants. Orthopaedic Research Society, San Francisco, CA (1993).
Ankle and Subtalar Instability with Ligament Injury, Southern Biomedical Engineering Conference, Washington, DC (1994).
A Model for Vascular, Physiological, and Biomechanical Effects of Porous Implants, Southern Biomedical Engineering Conference, Washington, DC (1994).
Biomechanical comparison of ankle ligament reconstruction techniques. Mid-America Orthopaedic Association, Bermuda (1994).
Ankle subtalar instability with ligament injury. World Congress of Biomechanics, Amsterdam, The Netherlands (1994).
Plastic Deformation and Viscoelastic Properties of Rabbit ACL Material. Society For Biomaterials Annual Meeting, New Orleans, LA (1997).
Knee Meniscus Biomechanics. Annual Meeting of the Clinical Orthopaedic Society, Birmingham, AL (Sept 2000).
Change in Meniscal Strain with ACL Injury and Reconstruction. ACL Study Group Annual Meeting Beaver Creek, Colorado, March, 1998.
Non-Uniform Meniscal Strain in the Human Knee: The Effect of ACL Injury and Reconstruction. Alabama Orthopaedic Society, Annual Meeting, Point Clear, Alabama, May, 1999.
"Tibio-Femoral Contact Stress and Force with Knee Alignment Variation", 2003 BioEngineering Conference, Key Biscayne, Florida. June, 2003.
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