Director of the Spaulding National Running Center, Spaulding Hospital Cambridge
Visiting Professor of Physical Medicine and Rehabilitation, Harvard Medical School
Ph.D. - Biomechanics, Pennsylvania State University
M.S. - Biomechanics, University of Virginia
B.S. - Physical Therapy, University of Florida
B.S. - Exercise Science, University of Massachusetts
Willy RW, Manal KT, Witvrouw EE, Davis IS. Are Mechanics Different between Male and Female Runners with Patellofemoral Pain? Med Sci Sports Exerc. 2012 Nov; 44(11):2165-71.
Altman AR, Davis IS. Barefoot running: biomechanics and implications for running injuries. Curr Sports Med Rep. 2012 Sep; 11(5):244-50.
Chimera NJ, Castro M, Davis I, Manal K. The effect of isolated gastrocnemius contracture and gastrocnemius recession on lower extremity kinematics and kinetics during stance. Clin Biomech (Bristol, Avon). 2012 Nov; 27(9):917-23.
Silbernagel KG, Willy RW, Davis IS. Preinjury and postinjury running analysis along with measurements of strength and tendon length in a patient with a surgically repaired achilles tendon rupture. J Orthop Sports Phys Ther. 2012; 42(6):521-9.
Altman AR, Davis IS. A kinematic method for footstrike pattern detection in barefoot and shod runners. Gait Posture. 2012 Feb; 35(2):298-300.
Cheung RT, Davis IS. Landing pattern modification to improve patellofemoral pain in runners: a case series. J Orthop Sports Phys Ther. 2011; 41(12):914-9.
Altman AR, Reisman DS, Higginson JS, Davis IS. Kinematic comparison of split-belt and single-belt treadmill walking and the effects of accommodation. Gait Posture. 2012 Feb; 35(2):287-91.
Willy RW, Davis IS. The effect of a hip-strengthening program on mechanics during running and during a single-leg squat. J Orthop Sports Phys Ther. 2011 Sep; 41(9):625-32.
Butler RJ, Barrios JA, Royer T, Davis IS. Frontal-plane gait mechanics in people with medial knee osteoarthritis are different from those in people with lateral knee osteoarthritis. Phys Ther. 2011 Aug; 91(8):1235-43.
Dierks TA, Manal KT, Hamill J, Davis I. Lower extremity kinematics in runners with patellofemoral pain during a prolonged run. Med Sci Sports Exerc. 2011 Apr; 43(4):693-700.
Crowell HP, Davis IS. Gait retraining to reduce lower extremity loading in runners. Clin Biomech (Bristol, Avon). 2011 Jan; 26(1):78-83.
Dierks TA, Davis IS, Hamill J. The effects of running in an exerted state on lower extremity kinematics and joint timing. J Biomech. 2010 Nov 16; 43(15):2993-8.
Noehren B, Manal K, Davis I. Improving between-day kinematic reliability using a marker placement device. J Orthop Res. 2010 Nov; 28(11):1405-10.
Morrison KE, Hudson DJ, Davis IS, Richards JG, Royer TD, Dierks TA, Kaminski TW. Plantar pressure during running in subjects with chronic ankle instability. Foot Ankle Int. 2010 Nov; 31(11):994-1000.
Fellin RE, Manal K, Davis IS. Comparison of lower extremity kinematic curves during overground and treadmill running. J Appl Biomech. 2010 Nov; 26(4):407-14.
Lloyd CH, Stanhope SJ, Davis IS, Royer TD. Strength asymmetry and osteoarthritis risk factors in unilateral trans-tibial, amputee gait. Gait Posture. 2010 Jul; 32(3):296-300.
Fellin RE, Rose WC, Royer TD, Davis IS. Comparison of methods for kinematic identification of footstrike and toe-off during overground and treadmill running. J Sci Med Sport. 2010 Nov; 13(6):646-50.
Ferber R, Noehren B, Hamill J, Davis IS. Competitive female runners with a history of iliotibial band syndrome demonstrate atypical hip and knee kinematics. J Orthop Sports Phys Ther. 2010 Feb; 40(2):52-8.
Milner CE, Hamill J, Davis IS. Distinct hip and rearfoot kinematics in female runners with a history of tibial stress fracture. J Orthop Sports Phys Ther. 2010 Feb; 40(2):59-66.
Lieberman DE, Venkadesan M, Werbel WA, Daoud AI, D'Andrea S, Davis IS, Mang'eni RO, Pitsiladis Y. Foot strike patterns and collision forces in habitually barefoot versus shod runners. Nature. 2010 Jan 28; 463(7280):531-5.
Barrios JA, Davis IS, Higginson JS, Royer TD. Lower extremity walking mechanics of young individuals with asymptomatic varus knee alignment. J Orthop Res. 2009 Nov; 27(11):1414-9.
Pohl MB, Hamill J, Davis IS. Biomechanical and anatomic factors associated with a history of plantar fasciitis in female runners. Clin J Sport Med. 2009 Sep; 19(5):372-6.
Barrios JA, Higginson JS, Royer TD, Davis IS. Static and dynamic correlates of the knee adduction moment in healthy knees ranging from normal to varus-aligned. Clin Biomech (Bristol, Avon). 2009 Dec; 24(10):850-4.
Butler RJ, Barrios JA, Royer T, Davis IS. Effect of laterally wedged foot orthoses on rearfoot and hip mechanics in patients with medial knee osteoarthritis. Prosthet Orthot Int. 2009 Jun; 33(2):107-16.
Maclean CL, Davis IS, Hamill J. Influence of running shoe midsole composition and custom foot orthotic intervention on lower extremity dynamics during running. J Appl Biomech. 2009 Feb; 25(1):54-63.
Willson JD, Davis IS. Lower extremity strength and mechanics during jumping in women with patellofemoral pain. J Sport Rehabil. 2009 Feb; 18(1):76-90.
Davis IS, Zifchock RA, Deleo AT. A comparison of rearfoot motion control and comfort between custom and semicustom foot orthotic devices. J Am Podiatr Med Assoc. 2008 Sep-Oct; 98(5):394-403.
Zifchock RA, Davis I. A comparison of semi-custom and custom foot orthotic devices in high- and low-arched individuals during walking. Clin Biomech (Bristol, Avon). 2008 Dec; 23(10):1287-93.
Dierks TA, Manal KT, Hamill J, Davis IS. Proximal and distal influences on hip and knee kinematics in runners with patellofemoral pain during a prolonged run. J Orthop Sports Phys Ther. 2008 Aug; 38(8):448-56.
Zifchock RA, Davis I, Higginson J, McCaw S, Royer T. Side-to-side differences in overuse running injury susceptibility: a retrospective study. Hum Mov Sci. 2008 Dec; 27(6):888-902.
MacLean CL, Davis IS, Hamill J. Short- and long-term influences of a custom foot orthotic intervention on lower extremity dynamics. Clin J Sport Med. 2008 Jul; 18(4):338-43.
Willson JD, Binder-Macleod S, Davis IS. Lower extremity jumping mechanics of female athletes with and without patellofemoral pain before and after exertion. Am J Sports Med. 2008 Aug; 36(8):1587-96.
Pohl MB, Mullineaux DR, Milner CE, Hamill J, Davis IS. Biomechanical predictors of retrospective tibial stress fractures in runners. J Biomech. 2008; 41(6):1160-5.
Butler RJ, Hillstrom H, Song J, Richards CJ, Davis IS. Arch height index measurement system: establishment of reliability and normative values. J Am Podiatr Med Assoc. 2008 Mar-Apr; 98(2):102-6.
Willson JD, Davis IS. Lower extremity mechanics of females with and without patellofemoral pain across activities with progressively greater task demands. Clin Biomech (Bristol, Avon). 2008 Feb; 23(2):203-11.
Butler RJ, Marchesi S, Royer T, Davis IS. The effect of a subject-specific amount of lateral wedge on knee mechanics in patients with medial knee osteoarthritis. J Orthop Res. 2007 Sep; 25(9):1121-7.
Noehren B, Davis I, Hamill J. ASB clinical biomechanics award winner 2006 prospective study of the biomechanical factors associated with iliotibial band syndrome. Clin Biomech (Bristol, Avon). 2007 Nov; 22(9):951-6.
Zifchock RA, Davis I. Non-consecutive versus consecutive footstrikes as an equivalent method of assessing gait asymmetry. J Biomech. 2008; 41(1):226-30.
Butler RJ, Hamill J, Davis I. Effect of footwear on high and low arched runners' mechanics during a prolonged run. Gait Posture. 2007 Jul; 26(2):219-25.
Butler RJ, Davis IS, Hamill J. Interaction of arch type and footwear on running mechanics. Am J Sports Med. 2006 Dec; 34(12):1998-2005.
Mullineaux DR, Milner CE, Davis IS, Hamill J. Normalization of ground reaction forces. J Appl Biomech. 2006 Aug; 22(3):230-3.
Willson JD, Ireland ML, Davis I. Core strength and lower extremity alignment during single leg squats. Med Sci Sports Exerc. 2006 May; 38(5):945-52.
Milner CE, Ferber R, Pollard CD, Hamill J, Davis IS. Biomechanical factors associated with tibial stress fracture in female runners. Med Sci Sports Exerc. 2006 Feb; 38(2):323-8.
Zifchock RA, Davis I, Hamill J. Kinetic asymmetry in female runners with and without retrospective tibial stress fractures. J Biomech. 2006; 39(15):2792-7.
Milner CE, Davis IS, Hamill J. Free moment as a predictor of tibial stress fracture in distance runners. J Biomech. 2006; 39(15):2819-25.
Buchanan KR, Davis I. The relationship between forefoot, midfoot, and rearfoot static alignment in pain-free individuals. J Orthop Sports Phys Ther. 2005 Sep; 35(9):559-66.
Ferber R, Davis IM, Williams DS. Effect of foot orthotics on rearfoot and tibia joint coupling patterns and variability. J Biomech. 2005 Mar; 38(3):477-83.
Williams DS, Davis IM, Scholz JP, Hamill J, Buchanan TS. High-arched runners exhibit increased leg stiffness compared to low-arched runners. Gait Posture. 2004 Jun; 19(3):263-9.
Stackhouse CL, Davis IM, Hamill J. Orthotic intervention in forefoot and rearfoot strike running patterns. Clin Biomech (Bristol, Avon). 2004 Jan; 19(1):64-70.
Dr. Bailey was caring, understanding and she listened to me. She was exceptional!
—A Grateful Patient