A meta-analysis and systematic review in the British Journal of Sports Medicine shows just how little clear research there is on how foot work ( Foot Orthoses and Gait: A Systematic Review and Meta-analysis of Literature Pertaining to Potential Mechanisms. Br J Sports Med. 2009 Dec 8 ) The authors looked at the evidence for the biomechanical, shock attenuation and neuromotor paradigms
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Foot orthotic mechanisms of action