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Bruce A. MacWilliams

Phone: 801-536-3800
Office: Fairfax Rd @ Virginia St

Bruce A. MacWilliams

Research Associate Professor, Department of Orthopaedics
Adjunct Assistant Professor, Bioengineering
B.S. Worcester Polytechnic Institute, Worcester, MA (Mechanical Engineering/Biomedical Interest)
M.S. Worcester Polytechnic Institute, Worcester, MA (Mechanical Engineering/Biomechanics)
Ph.D. Worcester Polytechnic Institute, Worcester, MA (Mechanical E


Gait Analysis, Joint Biomechanics

Selected Publications

Stevens PM, Anderson L, MacWilliams BA, Femoral shaft osteotomy for obligate outward rotation due to SCFE. Strategies Trauma Limb Reconstr 2017 Apr;12(1):27-33

Harris MD, MacWilliams BA, Bo Foreman K, Peters CL, Weiss JA, Anderson AE, Higher medially-directed joint reaction forces are a characteristic of dysplastic hips: A comparative study using subject-specific musculoskeletal models. J Biomech 2017 Mar 21;54:80-87

MacWilliams BA, Stotts AK, Carroll KL, D'Astous JL, Utilization and efficacy of computational gait analysis for hamstring lengthening surgery. Gait Posture 2016 Sep;49:394-397

MacWilliams BA, McMulkin ML, Davis RB, Westberry DE, Baird GO, Stevens PM, Biomechanical changes associated with femoral derotational osteotomy. Gait Posture 2016 Sep;49:202-206

Carroll KL, Schiffern AN, Murray KA, Stevenson DA, Viskochil DH, Toydemir R, MacWilliams BA, Roach JW, The Occurrence of Occult Acetabular Dysplasia in Relatives of Individuals With Developmental Dysplasia of the Hip. J Pediatr Orthop 2016 Jan;36(1):96-100

Chong DY, Macwilliams BA, Hennessey TA, Teske N, Stevens PM, Prospective comparison of subtalar arthroereisis with lateral column lengthening for painful flatfeet. J Pediatr Orthop B 2015 Jul;24(4):345-53

McMulkin ML, MacWilliams BA, Application of the Gillette Gait Index, Gait Deviation Index and Gait Profile Score to multiple clinical pediatric populations. Gait Posture 2015 Feb;41(2):608-12

MacWilliams BA, Rozumalski A, Swanson AN, Wervey R, Dykes DC, Novacheck TF, Schwartz MH, Three-dimensional lumbar spine vertebral motion during running using indwelling bone pins. Spine (Phila Pa 1976) 2014 Dec 15;39(26):E1560-5

MacWilliams BA, Stevens PM, Re: Biomechanical comparison between 2 guided-growth constructs. J Pediatr Orthop 2014 Jun;34(4):479-80

Johnson BA, MacWilliams BA, Stevenson DA, Postural control in children with and without neurofibromatosis type 1. Hum Mov Sci 2014 Apr;34:157-63

Johnson BA, Salzberg C, MacWilliams BA, Shuckra AL, D'Astous JL, Plyometric training: effectiveness and optimal duration for children with unilateral cerebral palsy. Pediatr Phys Ther 2014 Summer;26(2):169-79

Macwilliams BA, Johnson BA, Shuckra AL, D'Astous JL, Functional decline in children undergoing selective dorsal rhizotomy after age 10. Dev Med Child Neurol 2011 Aug;53(8):717-23

Zumbrunn T, MacWilliams BA, Johnson BA, Evaluation of a single leg stance balance test in children. Gait Posture 2011 Jun;34(2):174-7

Sardelli M, Tashjian RZ, MacWilliams BA, Functional elbow range of motion for contemporary tasks. J Bone Joint Surg Am 2011 Mar 2;93(5):471-7

Macwilliams BA, Shuckra AL, Mavor TP, A regression method for strength comparisons in children. Gait Posture 2010 Jun 28;:

Saraswat P, Andersen MS, Macwilliams BA, A musculoskeletal foot model for clinical gait analysis. J Biomech 2010 Jun 18;43(9):1645-52

Beals TC, MacWilliams BA, Webster J, Nickisch F, Gait and functional implications of bilateral, partial calcanectomy: case report. Foot Ankle Int 2010 May;31(5):448-51

Johnson BA, MacWilliams BA, Carey JC, Viskochil DH, D'Astous JL, Stevenson DA, Motor proficiency in children with neurofibromatosis type 1. Pediatr Phys Ther 2010 Winter;22(4):344-8

Macwilliams BA, Sardelli MC, Tashjian RZ, A functional axis based upper extremity model and associated calibration procedures. Gait Posture 2009 Nov 25;:

Anderson MC, Brown NA, Bachus KN, Macwilliams BA, A cadaver knee simulator to evaluate the biomechanics of rectus femoris transfer. Gait Posture 2009 Jul;30(1):87-92

Macwilliams BA, A comparison of four functional methods to determine centers and axes of rotations. Gait Posture 2008 Nov;28(4):673-9

McMulkin ML, Macwilliams BA, Intersite variations of the Gillette Gait Index. Gait Posture 2008 Oct;28(3):483-7

D'Astous JL, MacWilliams BA, Kim SJ, Bachus KN, Superficial versus deep transfer of the posterior tibialis tendon. J Pediatr Orthop 2005 Mar-Apr;25(2):245-8

Dibble LE, Nicholson DE, Shultz B, MacWilliams BA, Marcus RL, Moncur C, Sensory cueing effects on maximal speed gait initiation in persons with Parkinson's disease and healthy elders. Gait Posture 2004 Jun;19(3):215-25

Stevens PM, MacWilliams B, Mohr R , Gait analysis of stapling for genu valgum. J Pediatr Orthop 2004 Jan-Feb;24(1):70-4

MacWilliams BA, Cowley M, Nicholson D , Foot kinematics and kinetics during adolescent gait. Gait Posture 2003 Jun;17(3):214-24

Romero J, Duronio JF, Sohrabi A, Alexander N, MacWilliams BA, Jones LC, Hungerford D , Varus and valgus flexion laxity of total knee alignment methods in loaded cadaveric knees. Clin Orthop Relat Res 2002 Jan;(394):243-53

Genda E, Iwasaki N, Li G, MacWilliams BA, Barrance PJ, Chao E , Normal hip joint contact pressure distribution in single-leg standing--effect of gender and anatomic parameters. J Biomech 2001 Jul;34(7):895-905

Davitt JS, MacWilliams BA, Armstrong PF, Plantar pressure and radiographic changes after distal calcaneal lengthening in children and adolescents. J Pediatr Orthop 2001 Jan-Feb;21(1):70-5

MacWilliams BA, Wilson DR, DesJardins JD, Romero J, Chao EY, Hamstrings cocontraction reduces internal rotation, anterior translation, and anterior cruciate ligament load in weight-bearing flexion. J Orthop Res 1999 Nov;17(6):817-22

Lindsey JM, Michelson JD, MacWilliams BA, Sponseller PD, Miller N , The foot in Marfan syndrome: clinical findings and weight-distribution patterns. J Pediatr Orthop 1998 Nov-Dec;18(6):755-9

MacWilliams BA, DesJardins JD, Wilson DR, Romero J, Chao EY, A repeatable alignment method and local coordinate description for knee joint testing and kinematic measurement. J Biomech 1998 Oct;31(10):947-50