Shock attenuation in shoes compared to barefoot: a systematic review
© Fong Yan et al; licensee BioMed Central Ltd. 2012
Published: 10 April 2012
The debate over the advantages and disadvantages of barefoot versus shod running has gained momentum recently [1, 2] with the retail market aiming to mimic the motion of the foot during barefoot gait. The aim of this study was to conduct a systematic review of articles that compared shock attenuation in the shod condition to barefoot during weight bearing activity in healthy individuals.
Materials and methods
The major databases were searched for the following keywords: barefoot, foot, feet, boot*, shoe*, impact, shock, pressure, force, viscoelastic, and insert. Articles were screened with inclusion and exclusion criteria set a priori. Articles were grouped according to shoe type and where possible, a meta-analysis was used.
Pooled effect of bare feet vs. athletic footwear during running (+’ve: attenuated in BF, –‘ve: attenuated in shod)
Time of Collection
# of Studies
Mean Difference [95% CI]
Vertical Ground Reaction Force
De Wit et al 2000, Divert et al 2005, Esnault 1985, Lieberman et al 2010
0.22 [0.20, 0.23]
Alcantara et al 1996, Braunstein et al 2010, Dickinson et al 1986, Fong et al 2007, Kerrigan et al 2009, Serrao & Amadio 2001, Squadrone & Gallozzi 2009,Stockton & Dyson 1998
-0.03 [-0.07, 0.01]
De Wit 2000, Lieberman 2010
-3.56 [-4.10, -3.02]*
Alcantara 1996, Serrao & Amadio 2001
-0.59 [-2.52, 1.35]*
Alcantara et al 1996, McNair & Marshall 1994
-3.19 [-4.35, -2.03]*
Evidence suggests the shock absorbing properties of athletic footwear are effective during jump landings. Results varied significantly in favour of the shod or barefoot condition depending on whether data was collected at the impact transient or the peak. Footfall technique appears to have a significant effect on vertical ground reaction force. Activity-specific designs for footwear should take into account the region of the shoe which absorbs the initial impact. Attention should be given to develop consistent protocols for examining shock attenuation in footwear research.
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