A review just published in the British Journal of Sports Medicine looks at how how foot orthotics might 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 did a systematic review and meta-analysis looking at the evidence for the physiological basis for orthoses under the biomechanical, shock attenuation and neuromotor paradigms.
