Technical Brief

A New Gait Data Designed Orthotic for Flatfoot1

[+] Author and Article Information
Robert Rizza

Department of Mechanical Engineering,
Milwaukee School of Engineering,
Milwaukee, WI 53202

XueCheng Liu

Department of Orthopaedic Surgery,
Medical College of Wisconsin,
Milwaukee, WI 53226

DOI: 10.1115/1.4033736Manuscript received March 1, 2016; final manuscript received March 16, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030917 (Aug 01, 2016) (2 pages) Paper No: MED-16-1079; doi: 10.1115/1.4033736 History: Received March 01, 2016; Revised March 16, 2016

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Rao, U. B. , and Joseph, B. , 1992, “ The Influence of Footwear on the Prevalence of Flat Foot. A Survey of 2300 Children,” J. Bone Jt. Surg. Br., 74(4), pp. 525–527.
Imhauser, C. , Abidi, N. , Frankel, D. , Gavin, K. , and Siegler, S. , 2002, “ Biomechanical Evaluation of the Efficacy of External Stabilizers in the Conservative Treatment of Acquired Flatfoot Deformity,” Foot Ankle Int., 22(8), pp. 727–736. [CrossRef]
McHenry, F. , Long, J. , and Harris, G. , 2012, “ Foot and Ankle Motion Analysis Using Dynamic Radiographic (Fluoroscopic) Imaging,” Galt & Clinical Movement Analysis Society Conference (GCMAS 2012), Grand Rapids, MI, May 9–12, pp. 181–182.
Waseda, A. , Suda, Y. , Inokuchi, S. , Nishiwaki, Y. , and Toyama, Y. , 2014, “ Standard Growth of the Foot Arch in Childhood and Adolescence-Derived From the Measurement Results of 10,155 Children,” Foot Ankle Surg., 20(3), pp. 208–214. [CrossRef] [PubMed]


Grahic Jump Location
Fig. 1

Flatfoot orthotic designed to lift and support the midfoot arch. The orthotic was designed using a new gait-based method.

Grahic Jump Location
Fig. 2

Typical pressure distribution for a patient in the study. The deviation of the patient's COP trajectory from normal is also shown. The example shown is for a left foot and corresponds to the patient whose orthotic is illustrated in Fig. 1.



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