Effectiveness of the MBT shoe in terms of selected joint strain parameters in overweight persons .pdf


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Effectiveness of the MBT shoe in terms of selected joint strain
parameters in overweight persons while walking (Buchecker et al.,
2010)
Department of Sport Science and Kinesiology, University of Salzburg, Austria
Authors: Michael Buchecker, Herbert Wagner, Jürgen Pfusterschmied, Erich Müller

Publication:
Buchecker, M., Wagner, H. , Pfusterschmied, J., Stöggl, T.L., Müller, E., 2010.
Lower extremity

joint

loading

during

level

walking

with

Masai

barefoot

technology shoes in overweight males. Scand J Med Sci Sports, Article first
published online: 30 AUG 2010: DOI: 10.1111/j.1600-0838.2010.01179.x
Buchecker M., Wagner H., Pfusterschmied J., Müller E., Knee joint loading during
level walking with MBT shoes in overweight man. 14th Annual Congress of the
European College of Sport Science, Oslo, Norway June 24-27, 2009. Oral
Presentation.
ABSTRACT
PURPOSE: The purpose of this study was to evaluate the effects of Masai
barefoot technology (MBT) shoes on lower extremity joint loading in overweight
males during level walking.
METHODS:

Therefore,

lower

extremity

kinematics,

kinetics,

and

muscle

electromyographic signals of the vastus lateralis (VL), biceps femoris (BF), and
gastrocnemius medialis (GM) were recorded in 10 overweight males at a selfchosen walking speed with MBT shoes and conventional shoes. Selected peak
joint moments, maximal joint force loading rates, mean muscle intensities, and
co-activation indices of the VL/BF, as well as of the VL/GM were analyzed and
compared for the two shoe conditions using paired Student’s t-tests (a50.05).
RESULTS: Results showed that walking with MBT shoes reduced first peak knee
adduction moments in overweight subjects. During midstance and terminal
stance, increases in VL/GM co-activation, accompanied by increases in VL and
GM (only terminal stance) intensities were found for the MBT situation. Kinetic
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variables analyzed to assess ankle and hip joint loading did not exhibit any
statistical differences.
CONCLUSION: These results suggest that using MBT shoes diminishes medial
compartment loads at the knee without overloading hip or ankle joints in
overweight males. However, the additional muscle loading should not be
overlooked, and warrants further investigation.
© 2010 John Wiley & Sons A/S
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