Biofeedback Insole Usage Creates Morphological Changes to Foot Structure

Under Foot Pressure and Impact Observations using a F‐Scan Data Collection System


Following is Pre‐Clinical data collected in an effort to observe trends and assist in refining data collection protocols for larger scale studies. Within this Appendix you will find the summary data provided by:


1) Under Foot Surface Area pressure Mapping With F‐Scan

a. Objective: To observe hypothesided changes in surface area of the plantar aspect of the foot associated with the use of the BAREFOOTSCIENCE™ insole product.


b. Design: A Cohort study introducing the use the BAREFOOTSCIENCE™ insole technology as an independent variable.


c. Participants: N=12 adult males aged 25‐40 of medium activity level and non symptomatic for foot pathologies.


d. Methods: Data was collected using a F‐Scan in shoe pressure mapping system manufactured by Tekscan Inc. The test subjects used the BAREFOOTSCIENCE™ insoles for a period of 8 weeks during their normal activities and in their footwear of choice.


e. Outcome measures: Pre‐test and Post‐test plantar surface area was collected and the results were analysed using elementary statistical analysis to observe trends .


f. Results: When the raw data was analysed to compare the pre‐test surface area and the post‐test surface area it was found that on average there was a 36.36% reduction in surface area. Filtering w as done on the raw data by symmetrically removing the extreme 30% of the raw data for the purpose of eliminating anomalies. After filtering the overall average reduction was found to be 32.40%. The variability between the extremes revealed a 9.8% plantar surface area reduction and a 55.63% reduction. 100% of the subjects showed a reduction in plantar surface area.


g. Conclusions: The findings conclusively demonstrate that through the use of the BAREFOOTSCIENCE™ insole it is possible to create morphological changes to the foot and in particular the arch system resulting in plantar surface area reduction. Although morphological changes can in theory be attributable to a combination of soft tissue and osseous remodelling it is the opinion of the testers that over such a short time period it is unlikely that any noticeable osseous remodelling would have occurred resulting in morphological changes to the magnitudes observed. It is therefore logical to conclude that the major contributor to the morphological changes would ebb the strengthening and tightening of the foot’s support musculature.


h. Discussion: Changes of this magnitude were not hypothesised however when compared to an article detailing the results of making a transition to barefoot running accompanied by Harris Mat ink imprint records, the analysis of those surface areas showed a plantar surface decrease of 50% simply by making a transition to being barefoot.



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