JOSEPH MARCUS HOLLIS, Ph. D.

Adjunct Professor
Mechanical Engineering Department
University of South Alabama

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:

Nasca, R.J., Hollis, J.M., Lemons, J.E., Cool, T.A.: Cyclic Axial Loading of Spinal Implants. Spine, 10(9):792-798, 1985.

Convery, F.R., Devine, S.D., Hollis, J.M., Woo, S.L-Y.: A Cement Composite Delivery System. Orthopaedic Review, 15:581-585, 1986.

Inoue, M., McGurk-Burleson, E., Hollis, J.M., Woo, S.L-Y.: Treatment of Medial Collateral Ligament Injury: I.The Importance of Anterior Cruciate Ligament on the Varus-Valgus Knee Laxity. The 1986 American Orthopaedic Society for Sports Medicine Excellence in Research Award (Sports Science). American Journal of Sports Medicine, 15(1):15-21, 1987.

Woo, S.L-Y., Hollis, J.M., Roux, R.D., Gomez, M.A., Inoue, M., Akeson, W.H.: 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.

Bean, D.J., Hollis, J.M., Woo, S.L-Y., Convery, F.R.: Sustained Pressurization of Polymethylmethacrylate - A Comparison of Low and Moderate Viscosity Bone Cements. Journal of Orthopaedic Research, 6(4):580-584, 1988.

Ballock, R.T., Woo, S.L-Y., Lyon, R.M., Hollis, J.M., Akeson, W.H.: 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.

Lyon, R.M., Woo, S.L-Y., Hollis, J.M., Marcin, J.P., Lee, E.B.: A New Device to Measure the Structural Properties of the Femur-Anterior Cruciate Ligament-Tibia Complex. Journal of Biomechanical Engineering, 111:350-354, 1989.

Hollis, J.M., Takai, S., Adams, D.J., Horibe, S., Woo, S.L-Y.: 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.

Woo, S.L-Y., Hollis, J.M., Adams, D.J., Lyon, R. M., Takai, S.: Tensile Properties of the Human Femur-Anterior Cruciate Ligament-Tibia Complex: The Effects of Specimen Age and Orientation. American Journal of Sports Medicine, 19(3):217-225, 1991.

Hollis, J.M. : Use of a Six Degree of Freedom Position Control Actuator to Study Joint Mechanics. Advances in Bioengineering, 20:409, (ASME) 1991.

Stewart, C.L., Skinner, R.A., Hollis, J.M.: Plexiglass Modified Spurr Low Viscosity Embedding Medium Composite Mold System for Study of the Effect of Micromotion on Bone Ingrowth. Journal of Histotechnology, 16(2): 145, June 1993.

Flahiff, C.M., Nelson, C.L., Gruenwald, J.M., Hollis, J.M.: A Biomechanical Evaluation of an Intramedullary Fixation Device for Intertrochanteric Fractures. J. Trauma. 35:23-27, 1993.

Hadjari, M.H., Hollis, J.M., Hofmann, O.E., Flahiff, C.M., Nelson, C.L.: 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.

Hollis, J.M., Blasier, R.D., and Flahiff, C.M.: Simulated Lateral Ankle Ligament Injury: Change in Ankle Stability. Am. J. Sports Med. 23(6):672-677, 1995.

Hollis, J.M., Blasier, R.D., Flahiff, C.M., and Hofmann, O.E.: Biomechanical Comparison of Reconstruction Techniques in Simulated Lateral Ankle Ligament Injury: Am. J. Sports Med. 23(6):678-682, 1995.

Flahiff, C.M., Brooks, A.T., Hollis, J.M., Vander Shilden, J.L., Nicholas, R.W.: Biomechanical Analysis of Patellar Tendon Allografts as a Function of Age. Am. J. Sports Med. 23(3):354-358, 1995

Hollis, J.M.: A Six-Degree-of-Freedom Test System for the Study of Joint Mechanics and Ligament Forces. J. of Biomechanical Engineering 117:383-389, 1995.

Flahiff, C.M., Blackwell, A.S., Hollis, J.M., Feldman, D.S.: Analysis of a Biodegradable Composite for Bone Healing. J. of Biomedical Materials Research, 32:419-424, 1996.

Book Chapters:

Hollis, J.M., Woo, S.L-Y.: Estimation of ACL Loads in situ: Indirect Methods. In: The Anterior Cruciate Ligament: Current and Future Concepts, D.W. Jackson (ed.), Raven Press.

Flahiff, C.M. and Hollis, J.M.: " 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.

Hollis, J.M. and Flahiff, C.M.: "Factors Affecting Bone Ingrowth" in Encyclopedia Handbook of Biomaterials and Bioengineering Part B: Applications. Wise, D.L. (ed.) Marcel Dekker, Inc., 1(29):799-821, 1995.

INVITED LECTURES

Hollis, J.M.: "Biomechanics of Lateral Ankle Ligament Reconstruction." Orthopaedic Invited Speaker, University of Colorado Health Science Center, Department of Orthopaedics, March, 1993.

Hollis, J.M.: "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.

Hollis, J.M.: "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.

SESSIONS CHAIRED

"Knee Mechanics", First World Congress of Biomechanics, San Diego, CA, 1990.

"Joint Mechanics", Bioengineering Division, American Society of Mechanical Engineering, Winter Annual Meeting, Anaheim, CA, November 1992.

Musculoskeletal Biomechanics ", Southern Biomedical Engineering Conference, Washington, DC, April, 1994.

" Orthopaedic Implants", Southern Biomedical Engineering Conference, Washington, DC, April, 1994.

"Soft Tissue Mechanics - Ligament Mechanics", ASME 1997 Summer Bioengineering Conference, Sunriver, Oregon, 1997.

ABSTRACTS

Roux, R.D., Hollis, J.M., Gomez, M.A., Inoue, M., Kleiner, J.B., Akeson, W.H., Woo, S.L-Y.: Tensile Testing of the Anterior Cruciate Ligament (ACL): A New Methodology. 32nd Annual Orthopaedic Research Society, New Orleans, LA, 11:237, 1986.

Inoue, M., Gomez, M.A., Hollis, J.M., Roux, R.D., Lee, E.B., Burleson, E.M., Woo, S.L-Y.: Medial Collateral Ligament Healing: Repair vs. Non-Repair. 32nd Annual Orthopaedic Research Society, New Orleans, LA, 11:78, 1986.

Hollis, J.M., Gomez, M.A., Inoue, M., Burleson, E.M., Woo, S.L-Y.: The Effect of Degrees of Freedom on Varus-Valgus Knee Laxity. Proceedings of the North American Congress on Biomechanics, Montreal, Quebec, Canada, 101 -102, 1986.

Hollis, J.M., Lee, E.B., Ballock, R.T., Gomez, M.A., Woo, S.L-Y.: The Effect of Loading Direction on the Failure Properties of the Femur-Anterior Cruciate Ligament-Tibia Complex. 1986 Advances in Bioengineering, ASME/BED, 12:168-169, 1986.

McGurk-Burleson, E., Inoue, M., Hollis, J.M. , Woo, S.L-Y.: Functional Roles of the Anterior Cruciate Ligament and Medial Collateral Ligament in Providing Stability to the Canine Knee Joint. 1986 Advances in Bioengineering, ASME/BED, 2:170-172, 1986.

Inoue, M., McGurk-Burleson, E., Hollis, J.M., Woo, S.L-Y.: Healing of the Medial Collateral Ligament as a Function of Treatment Regimen: Long-Term Study. Orthopaedic Research Society, 12:67, 1987.

Hollis, J.M., Lee, E.B., Ballock, R.T., Inoue, M., Gomez, M.A., Woo, S.L-Y.: Variation of Structural Properties of the Anterior Cruciate Ligament as a Function of Loading Direction. Orthopaedic Research Society, 12:196, 1987.

McGurk-Burleson, E., Inoue, M., Hollis, J.M., Woo, S.L-Y.: The Importance of Degrees of Freedom on the Evaluation of Canine Knee Stability. Orthopaedic Research Society, 12:197, 1987.

Hollis, J.M.: Force distribution in the Anterior Cruciate Ligament. Biomedical Engineering Society, Annals of Biomedical Engineering, Vol. 19(5): 631, 1991.

Hadjari, M., Hollis, J.M., Nelson, C.L.: A Biomechanical Study of Acetabular Cup Fixation. Biomedical Engineering Society, Annals of Biomedical Engineering Vol. 11(5) 634, 1991.

Hollis, J.M. , Hofmann, O.E., Stewart, C.L., Flahiff, C.M., Nelson, C.L.: Effects of Micromotion on Ingrowth into Porous Coated Implants Using a Transcortical Model. Transactions of the 4th World Biomaterials Congress, Berlin, Germany, p. 258, 1992.

PRESENTATIONS

Nasca, R.J., Hollis, J.M., Lemons, J.: Cyclic Axial Loading of Spinal Implants. Scoliosis Research Society, New Orleans, LA, 1983.

Hollis, J.M., Nasca, R.J., Lemons, J., Casper , R.: A Biomechanical Investigation of Segmental and Distraction Spinal Instrumentation. Second World Congress on Biomaterials, Washington, D.C., 1984.

Bean, D.J., Hollis, J.M., Woo, S.L-Y., Convery, F.R.: Sustained Pressurization Effects on the Bone/Cement Interface. 31st Annual Orthopaedic Research Society, Las Vegas, NV, 1985.

Woo, S.L-Y., Hollis, J.M., Lyon, R.D., Lin, H-C., Marcin, J., Horibe, S.: On the Structural Properties of the Human Anterior Cruciate Ligament-Bone Complex from Young Donors. Workshop on Biomechanics of Human Knee Ligaments, Ulm, Germany, June, 1987.

Hollis, J.M., Lyon, R.M., Marcin, J.P., Horibe, S., Lee, E.B., Woo, S.L-Y.: Effect of Age and Loading Axis on the Failure Properties of the Human ACL. Orthopaedic Research Society, Atlanta, GA, February, 1988.

Hollis, J.M., Marcin, J.P., Horibe, S., Woo, S.L-Y.: Load Determination in ACL Fiber Bundles Under Knee Loading. Orthopaedic Research Society, Atlanta, GA, February, 1988.

L yon, R.M., Lin, H.C., Kwan, M.K-W., Hollis, J.M., Akeson, W.H., Woo, S.L-Y.: Stress Relaxation of the Anterior Cruciate Ligament (ACL) and the Patellar Tendon (PT). Orthopaedic Research Society, Atlanta, GA, February, 1988.

Hollis, J.M., Horibe, S., Marcin, J.P., Woo, S.L-Y.: A Methodology for in situ Strain and Force Estimation in Anterior Cruciate Ligaments and Substitutes. Third World Biomaterials Congress, Kyoto, Japan, April, 1988.

Lyon, R.M., Woo, S.L-Y., Ballock, R.T., Hollis, J.M., Akeson, W.H.: The Structural Characteristics of Patellar Tendon (PT) Autographs Used in ACL Reconstructions. 52nd Western Orthopaedic Association, Honolulu, Hawaii, October, 1988.

Hollis, J.M., Horibe, S., Adams, D.J., Marcin, J.P., Woo, S.L-Y.: Force Distribution in the Anterior Cruciate Ligament as a Function of Flexion Angle. Biomechanics Symposium, ASCE/ASME Mechanics Conference, La Jolla, CA, July, 1989.

Woo, S.L-Y., Hollis, J.M., Adams, D.J., Lyon, R.M. , Takai, S.: Tensile Properties of the Human Femur-Anterior Cruciate Ligament-Tibia Complex: The Effects of Specimen Age and Orientation. American Orthopaedic Society for Sports Medicine, Sun Valley, Idaho, July, 1990.

Aronson, J., Harp, J., Hollis, J.M.: In Vivo Measurement of Mechanical Force Generated During Distraction Osteogenesis. Orthopaedic Research Society, Anaheim, CA, March, 1991.

Hadjari, M., Hollis, J.M., Nelson, C.L.: A Biomechanical Study of Initial Acetabular Cup Fixation: The Effect of Screw Placement and Tightness. Orthopaedic Research Society, Anaheim, CA, March, 1991.

Hollis, J.M. , Hofmann, O.E., Flahiff, C.M., Stewart, C.L., Nelson, C.L.: Development of A Transcortical Model for the Quantification of the Effect of Micromotion on Ingrowth into Porous Coated Implants. 10th Southern Biomedical Engineering Conference, Georgia Institute of Technology, Athens, GA, 1991.

Hollis, J.M., Hadjari, M., Hofmann, O.E., Flahiff, C.M., Nelson, C. L.: Factors affecting the initial stability of porous ingrowth acetabular prosthesis. Orthopaedic Research Societies of U.S.A., Japan, and Canada. Banff, Alberta, Canada, October, 1991.

Hadjari, M.H., Hollis, J.M., Hofmann, O.E., Flahiff, C.M., Nelson, C.L.: The effect of oversize cups on cup stability in acetabula with defects. Orthopaedic Research Society. Washington, D.C., February, 1992.

Harp, J., Aronson, J., Hollis, J.M.: Local Modulus of Elasticity Variations in Canine tibia Cortical Bone. Orthopaedic Research Society, Washington D.C., February, 1992.

Hollis, J.M., Aronson, J., Hofmann, O.E.: Differential Loads in Tissues During Limb Lengthening. Orthopaedic Research Society, Washington D.C., February, 1992.

Hollis, J.M., Hofmann, O.E., Flahiff, C.M., Stewart, C.L.: 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., February, 1 992.

Hadjari, M.H., Hollis, J.M., Flahiff, C.M., Nelson, C.L.: The Effect of Oversized Cups on Cub Stability and Bone Coverage in Acetabula with Defects. Forth World Biomaterials Congress, Berlin, Germany, 1992.

Hadjari, M.H., Hollis, J.M., Hofmann, O.E., Flahiff, C.M., Nelson, C.L.: The effect of larger cups on cup stability and bone coverage in acetabula with defects. Mid-America Orthopaedic Association. Orlando, FL, April, 1992.

Hollis, J.M., Blasier, R.D., Flahiff, C.M., Hofmann, O.E.: Biomechanical Comparison of Ankle Ligament Reconstruction Techniques. Orthopaedic Research Society, San Francisco, CA, February 1993.

Hollis, J.M., Hofmann, O.E., Flahiff, C.M., Stewart, C.L.: Effect of Micromotion on Ingrowth into Porous Coated Implants. Orthopaedic Research Society, San Francisco, CA, February 1993.

Flahiff, C.M., Blackwell, A.S., Feldman, D.S., Hollis, J.M.: A degradable hierarchical composite for bone healing. Society for Biomaterials, Bir mingham, AL, April, 1993.

Boggan, R.S., Merkel, K.D., Hollis, J.M., and Flahiff, C.M.: Strain transfer, rotational micromotion, and implant-bone fit of an autopsy retrieved modular femoral stem. International Society for Custom Prostheses, Amelia Island, FL, September, 1993.

Flahiff, C.M., Brooks, A., Hollis, J.M., Vander Schilden, J.L. Nicholas, R.W.: Biomechanical properties of patellar tendons from donors of various age groups. Orthopaedic Research Society, New Orleans, LA, February, 1994.

Boggan, R.S., Merkel, K.D., Hollis, J.M., Flahiff, C.M.: Strain transfer, rotational micromotion, and implant-bone fit of an autopsy retrieved modular femoral stem. Southern Biomedical Engineering Conference., Washington, DC, April, 1994.

Flahiff, C.M., Blackwell, A.S., Hollis, J.M., Feldman, D.S.: Analysis of a Degradable Polymer/Ceramic Composite for Bone Healing. Society for Biomaterials, Birmingham, AL, April, 1994.

Hollis, J.M., Blasier, R.D., Flahiff, C.M.: Ankle and Subtalar Instability with Ligament Injury, Southern Biomedical Engineering Conference, Washington, DC, April, 1994.

Hollis, J.M., Stewart, C.L.. Griffin, F. M., Nelson, C.L. .: A Model for Vascular, Physiological, and Biomechanical Effects of Porous Implants, Southern Biomedical Engineering Conference, Washington, DC, April, 1994.

Hollis, J.M., Blasier, R.D., Flahiff, C.M.: Biomechanical comparison of ankle ligament reconstruction techniques. Mid-America Orthopaedic Association, Bermuda, April, 1994.

Flahiff, C.M., Boggan, R.S., Hollis, J.M.: Torsional stability of cemented and uncemented femoral stems. World Congress of Biomechanics, Amsterdam, The Netherlands, July, 1994.

Hollis, J.M., Blasier, R.D., Flahiff, C.M.: Ankle subtalar instability with ligament injury. World Congress of Biomechanics, Amsterdam, The Netherlands, July, 1994.

Hollis, J.M., Niciforos, P.G., Klein, J.A.: Plastic Deformation and Viscoelastic Properties of Rabbit ACL Material. Society For Biomaterials 23rd Annual Meeting, New Orleans, LA, 1997.

Klein, J.A., Hollis, J.M., Niciforos, P.G.: Comparative Study of the Pull-Out Strength of 3.5 mm VS 4.5 mm AO Cortical Screws. Alabama Orthopaedic Society, Point Clear, AL, 1997.

Niciforos, P.G., Klein, J.A., Hollis, J.M.: Change in Knee Meniscal Strain With ACL Injury and Reconstruction. ASME 1997 Summer Bioengineering Conference, Sunriver, Oregon, 1997.

GRANTS & CONTRACT

"Departmental Progress Grant", Orthopaedic Research and Education Foundation, $10,000, 1 year.

"Differential Stress and Growth of Soft Tissues During Limb Lengthening." University of Arkansas for Medical Sciences Pilot Study Grant, $10,000, 1 year.

"Torsional Micromotion in Cemented and Press Fit Hip Stems", Wright Medical Technology, $10,000, 1993 - 1994.

"Biomechanics of the Ankle Ligaments." Whitaker Foundat ion, $180,000, 3 years 1991 - 1994.

"Factors Affecting Stability in Press Fit Acetabular Cups ", Biomet, $30,000, Carl Nelson, M.D., P.I.

"Meniscus Repair vs Non Repair, Biomechanical Testing", Smith & Nephew Richards, $3000(Biomechanics portion of budget), Zhongnan Zhang, M.D., P.I., 1994 - 1995.

"Effect of HA Coating on Loaded and Unloaded Implants", Smith & Nephew Richards, $5000(Biomechanics portion of budget), Zhongnan Zhang, M.D., P.I.

"Change in Meniscus Strain with ACL Injury and Reconstruction", ACL Study Group, $4,000/ 1 year, 1997.

Curriculum Vita


Faculty bluepaw Mechanical Engineering