Technical Brief

Rocker Shoes for Natural Immobilization of the Ankle During Single-Limb Support1

[+] Author and Article Information
Sara R. Koehler-McNicholas, Eric Nickel, Charles J. Schultz

VA Health Care System,
Minneapolis, MN 55417

Andrew H. Hansen

VA Health Care System,
Minneapolis, MN 55417;
Program in Rehabilitation Science,
Department of Physical Medicine and
University of Minnesota,
Twin Cities, MN 55455

DOI: 10.1115/1.4033767Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030954 (Aug 01, 2016) (2 pages) Paper No: MED-16-1094; doi: 10.1115/1.4033767 History: Received March 01, 2016; Revised March 17, 2016

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Copyright © 2016 by ASME
Topics: Design , Testing
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Dunn, E. , Link, C. L. , Felson, D. T. , Crincoli, M. G. , Keysor, J. J. , and McKinlay, J. B. , 2004, “ Prevalence of Foot and Ankle Conditions in a Multiethnic Community Sample of Older Adults,” Am. J. Epidemiol., 159(5), pp. 491–498. [CrossRef] [PubMed]
Willoughby, D. S. , Sultemeire, S. , and Brown, M. , 2003, “ Human Muscle Disuse Atrophy After 28 Days of Immobilization in a Lower-Limb Walking Boot: A Case Study,” J. Exercise Physiol., 6(2), pp. 88–96.
Wang, C. C. , and Hansen, A. H. , 2010, “ Response of Able-Bodied Persons to Changes in Shoe Rocker Radius During Walking: Changes in Ankle Kinematics to Maintain a Consistent Roll-Over Shape,” J. Biomech., 43(12), pp. 2288–2293. [CrossRef] [PubMed]
Hansen, A. H. , Sam, M. , and Childress, D. S. , 2004, “ The Effective Foot Length Ratio: A Potential Tool for Characterization and Evaluation of Prosthetic Feet,” J. Prosthet. Orthotics, 16(2), pp. 41–45. [CrossRef]
Kadaba, M. P. , Ramakrishnan, H. K. , and Wooten, M. E. , 1990, “ Measurement of Lower Extremity Kinematics During Level Walking,” J. Orthop. Res., 8(3), pp. 383–392. [CrossRef] [PubMed]


Grahic Jump Location
Fig. 1

Rocker shoe design iterations for the natural immobilization of ankle motion during the single-limb support phase of walking

Grahic Jump Location
Fig. 2

Ankle ROM during single-limb support (shown in white)



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