SELECTED PUBLICATIONS

Buchanan, K and McClay Davis, I (2005).  The relationship between forefoot alignment and rearfoot and midfoot compensation. Journal of Orthopedic and Sports Physical Therapy 35(9):559-566.

Denton, J, Willson, J, Ballantyne, B and McClay Davis, I (2005).  Effect of the Protonics brace system in patients with patellofemoral pain syndrome. Journal of Orthopedic and Sports Physical Therapy 35(4):210-219.

Willson, J, Dougherty, C, Ireland, ML, and McClay Davis, I (2005).  Core stability: Relationship to lower extremity function and injury. Journal of the American Academy of Orthopedic Surgeons 13:316-326.

Ferber, R, and McClay Davis, I (2005).  The effect of orthotics on rearfoot and tibia  joint coupling patterns and variability.  Journal of Biomechanics 38:477-483.

DeLeo, AT, Dierks, TA, Ferber, R, Davis, IS (2004).  Lower extremity joint coupling during running: a current update.  Clinical Biomechanics.  19:983-991.

Davis, I (2004).  How do we accurately measure foot motion?  Guest Editorial, Journal of Orthopedic and Sports Physical Therapy.  34(9):503-504.

Davis, I (2004).  Measuring Foot Motion: Forward and Inverse Dynamic Models: Foot and Ankle Research Retreat Introduction and Consensus Statement.  Journal of Orthopedic and Sports Physical Therapy.  34(9):A1-A4.

Leetun, D, Willson, J, Ireland, ML, Ballantyne, B and McClay Davis, I (2004).  Core strength and lower extremity injuries in athletes.  Medicine and Science in Sport and Exercise.  36(6):926-934.

Hurd, W, Chiemelewski, T, Axe, M, McClay Davis, I, Snyder-Mackler, L (2004).  Gender differences in lower extremity mechanics in normal and perturbed walking.  Clinical Biomechanics. 19(5):465-472.

Williams, DS, McClay, IS, Scholz, JP, Hamill, J, Buchanan, TS (2004).  High-arched runners exhibit increased leg stiffness compared to low-arched runners.  Gait and Posture.  (19):263-269.

Pollard, C, McClay Davis, I, and Hamill, J (2004).  Influences of gender on hip and knee mechanics during an unanticipated cutting maneuver.  Clinical Biomechanics.  19(10):1022-1031.

Laughton, CA, McClay, IS, & Hamill, J (2004).  Orthotic intervention in rearfoot and forefoot strike running patterns.  Clinical Biomechanics.  19(1):64-70.

Ireland, ML, Ballantyne, B, Willson, JD & McClay Davis, I (2003).  Hip strength in females with and without patellofemoral pain.  Journal of Orthopedic and Sports Physical Therapy.  33(11):671-6.

Williams, DS, McClay Davis, I, and Baitch, S (2003).  Effect of inverted orthoses on lower extremity mechanics.  Medicine and Science in Sport and Exercise.  35(12):2060-2068.

McClay Davis, I, & Irelend, ML (2003).  ACL Research Retreat II: The Gender Bias.  Journal of Orthopedic and Sports Physical Therapy.  35(8):A1-A30.

McClay Davis, I (2003).  Research retreats: In search of more focus.  Guest Editorial. Journal of Orthopedic and Sports Physical Therapy.  (35):2-3.

Laughton, CA, McClay, IS, Hamill, J and Richards, J (2003).  The effect of orthotic intervention and strike pattern on tibial shock in runners.  Journal of Applied Biomechanics.  (19):153-168.

Butler, RJ, Davis, IM, Laughton, CM, & Hughes, M. (2003).  Dual-function foot orthosis: effect on shock and control of rearfoot motion.  Foot and Ankle International.  (24):410-414.

Butler, RJ, Crowell III, HP, & Davis, I. (2003).  Lower extremity stiffness: implications for performance and injury.  Clinical Biomechanics.  (18):511-517.

Ferber, R, Davis, I, & Williams, DS. (2003).  Gender differences in lower extremity mechanics during running.  Clinical Biomechanics.  (18):350-357.

Ott, S, Ireland, ML, Ballantyne, BT, Willson, JD, and McClay, IS (2003).  Functional outcome measures following ACL reconstruction: A gender comparison.  Knee surgery, sports traumatology and arthroscopy.  (11):75-80.

Manal, K &  McClay, IS (2003).  The accuracy of estimating proximal tibial translation during natural cadence walking: bone vs. skin mounted targets.  Clinical Biomechanics.  18(2):126-131.

Manal, K, McClay, IS, Stanhope, SJ, and Richards, J (2002).  Knee moment profiles during walking: errors due to soft tissue movement and the influence of the reference coordinate system.  Gait and Posture.  15(1)10-17.

Ferber, R, McClay Davis, I, Williams, DS, & Laughton, C. (2002).  A comparison of within- and between-day reliability of discrete 3D lower extremity variables in runners.  Journal of Orthopaedic Research.  (20):1139-1145.

Laughton, CA, McClay, IS & Williams, DS (2002).  A comparison of four methods of obtaining a negative impression of the foot.  Journal of the American Podiatric Medical Association.  (92):261-268.

Williams, DS, McClay, IS, Hamill, J, Buchanan, TS (2001).  Lower extremity kinematic and kinetic differences in runners with high and low Arches.  Journal of Applied Biomechanics.  (17):153-163.

Williams, DS, McClay, IS, Hamill, J, (2001).  Arch structure and injury patterns in runners.  Clinical Biomechanics.  (16)5:341-347.

Ireland, ML, Ballantyne, BT, Little, K, McClay, IS. (2001).  A radiographic analysis of the relationship between the size and shape of the intercondylar notch and anterior cruciate ligament.  Injury Knee Surgery, Sports Traumatology and Arthroscopy.  (9):200-205.

Manal, KT, McClay, IS, Stanhope, S, & Richards, J (2000).  Comparison of Surface Mounted Markers and Attachment Methods in Estimating Knee Moments during Walking.  Gait and Posture.  (11):38-45.

Williams, DS & McClay, IS (2000).  Measurements Used to Characterize the Foot and the Medial Longitudinal Arch: Reliability and Validity.  Physical Therapy.  80(9):864-871.

Williams, DS, McClay, IS, & Manal, KT. (2000).  Mechanics of Runners with a Converted Forefoot Strike Pattern.   Journal of Applied Biomechanics.  16(2):210-218.

McClay, IS (2000).  The Evolution of the Study of Running Mechanics: Relationships to Injury.  Journal of the American Podiatric Society.  90(3):133-148.

McClay, IS & Manal, KT (1999).  Three-Dimensional Kinetic Analysis of Running: Significance of Secondary Planes of Motion.  Medicine and Science in Sports and Exercise.  31(11):1629-1637.

McClay, IS & Manal, KT (1998).  A Comparison of Three-dimensional Lower Extremity Kinematics during Running between Pronators and Normals.  Clinical Biomechanics.  13(3):195-203.

McClay, IS & Manal, KT (1998).  The Relationship between Angle of Gait and Differences between Two-Dimensional and Three-Dimensional Rearfoot Motion.  Foot and Ankle.  19(1):26-31.

McClay, IS & Bray, J (1996).  The Subtalar Angle - a Potential Measure of Rearfoot Structure.  Foot and Ankle,   17(8):1-4.
 

RESEARCH GRANTS

Real-time Gait Retraining to Reduce Loading in Runners (in review).  R01 submitted to the National Institutes of Health for $1.70 million for 5 years.

Gait Retraining in Runners through Realtime Feedback (in review).  R01 submitted to the National Institutes of Health (NIAMS) for $453,000 for 3 yrs.

The Effect of Wedged Foot Orthoses on Lower Extremity Mechanics and Function in Patients with Knee Osteoarthritis. National Institutes of Health (COBRE Grant) $932,815 for 5 years beginning 02/2002.

A Comparison of Custom and Semicustom Foot Orthotic Devices on Lower Extremity Mechanics and Comfort in High and Low Arched Runners.  The Pauline Marshall Research and Education Foundation, $22,000 for one year grant period beginning 2/2004 .

A Comparison of Custom and Semicustom Foot Orthotic Devices on Lower Extremity Mechanics and Comfort.  The Pauline Marshall Research and Education Foundation, $15,000 for one year grant period beginning 9/2001.

Biomechanical Factors Associated with the Etiology of Stress Fractures in Runners.  The Department of the Army.  $1.05 million for 5 yr grant period beginning 9/2000.

The Effect of Different Orthotic Devices on Lower Extremity Mechanics of Rearfoot and Forefoot Strikers, $3,500.  Foot Management, Inc, 1999-2000.

Doctoral Scholarship.  $20,000.  Joyner Sportsmedicine Institute, 1998, 1999, 2000, 2001; $36,000 for 2002, 2003.

Undergraduate Summer Scholarship.  $4,000.  Joyner Sportsmedicine Institute, 1997, 1998, 1999, 2000, 2001.

A Comparison of Four Methods to Obtain a Negative Impression of the Foot, $3,250, Foot Management, Inc, 1998-1999.

The Effect of the Protonics System on Patellar Aligment and Gait in Patients with Patellofemoral Joint Pain.  $18,000.  Funded by Inverse Technology, 1998-1999.

Clinical Efficacy of the Protonics System in Patients with Patellofemoral Joint Pain.  $3,000.  Funded by Inverse Technology, 1998-1999.

A Comparison of Strengthening vs. Orthotics on Pronation and Pronation Velocity.  Funded by the Physical Therapy Foundation $60,000, 1993-1995.

Lower Extremity Mechanics and Injury.  Funded by the Whitaker Foundation $180,000, 1993-1996.

The Relationship between Subtalar Joint Axis Orientation, Joint Motion and Injuries in Runners.  Funded by the Biomedical  Research Support Grant. $2,550, 1992.

The Relationship between Subtalar Joint and Knee Joint Motion in Runners.  Funded by the University of Delaware Research Foundation.  $16,000, 1990.

A Comparison of Patellofemoral 3-D Kinematics in Runners with and without Patellofemoral Pain.  Doctoral Dissertation.   Foundation for Physical Therapy.   $8,500, 1988.