Immediate effect of Masai Barefoot Technology shoes on knee joint moments in women with knee osteoarthritis |
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| Affiliation: | 1. Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan;2. Shiga University of Medical Science Hospital, Shiga, Japan;3. Nagoya University Hospital, Aichi, Japan;4. Uji Takeda Hospital, Kyoto, Japan;5. Kobayashi Orthopaedic Clinic, Kyoto, Japan;1. Centre for Studies in Aging, Sunnybrook Health Sciences Centre, Toronto, ON, Canada;2. Department of Kinesiology and Health, Georgia State University, Atlanta, GA, USA;3. Center for Human Growth and Development, University of Michigan, Ann Arbor, MI, USA;4. INEFC, Department of Health and Applied Sciences, University of Barcelona, Barcelona, Spain;1. Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada;2. Department of Kinesiology & Physical Education, Wilfrid Laurier University, Waterloo, ON, Canada;1. UNESP, São Paulo State University at Rio Claro, 1515 24-A Avenue, Rio Claro, São Paulo State 13506-900, Brazil;2. Centro Universitário UNIFAFIBE, 325 Prof. Orlando França de Carvalho Street, Bebedouro, São Paulo State 14701-070, Brazil;1. Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada;2. School of Public Health and Health Systems, University of Waterloo, Waterloo, Ontario, Canada;1. Faculty of Systems Engineering, Shibaura Institute of Technology, Saitama, Japan;2. Departiment of Bio-Science and Engineering, College of Systems Engineering and Science, Shibaura Institute of Technology, Saitama, Japan;3. Graduate School of Engineering, Iwate University, Iwate, Japan;4. Graduate School of Arts and Sciences, The University of Tokyo, Japan;5. Rehabilitation Engineering Laboratory, Toronto Rehabilitation Institute - University Health Network, Toronto, Ontario, Canada M4G 3V9;6. Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 3G9;7. Graduate School of Education, The University of Tokyo, Tokyo, Japan;1. Department of Rehabilitation Medicine, VU University Medical Centre, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands;2. Department of Orthopedics, A.I. DuPont Hospital, 1600 Rockland Road, Wilmington, DE 190803, USA |
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| Abstract: | Footwear modification can beneficially alter knee loading in patients with knee osteoarthritis. This study evaluated the effect of Masai Barefoot Technology shoes on reductions in external knee moments in patients with knee osteoarthritis. Three-dimensional motion analysis was used to examine the effect of Masai Barefoot Technology versus control shoes on the knee adduction and flexion moments in 17 women (mean age, 63.6 years) with radiographically confirmed knee osteoarthritis. The lateral and anterior trunk lean values, knee flexion and adduction angles, and ground reaction force were also evaluated. The influence of the original walking pattern on the changes in knee moments with Masai Barefoot Technology shoes was evaluated. The knee flexion moment in early stance was significantly reduced while walking with the Masai Barefoot Technology shoes (0.25 ± 0.14 N m/kg m) as compared with walking with control shoes (0.30 ± 0.19 N m/kg m); whereas the knee adduction moment showed no changes. Masai Barefoot Technology shoes did not increase compensatory lateral and anterior trunk lean. The degree of knee flexion moment in the original walking pattern with control shoes was correlated directly with its reduction when wearing Masai Barefoot Technology shoes by multiple linear regression analysis (adjusted R2 = 0.44, P < 0.01). Masai Barefoot Technology shoes reduced the knee flexion moment during walking without increasing the compensatory trunk lean and may therefore reduce external knee loading in women with knee osteoarthritis. |
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| Keywords: | Gait Knee osteoarthritis Joint moment MBT |
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