Plantar Surface Area of the Foot Reduced Through Use of Biofeedback Insole

Insole System Decrease Plantar Surface Area


Following is the published data collection which occurred in an effort to observe trends in footprint surface area reductions when BAREFOOTSCIENCE™ insoles are introduced as an in‐shoe exercise system. Within this Appendix you will find the published article in the October 2001 Issue of “Biomechanics”:


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

a. Objective: To observe hypothesised 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=15, between the ages of 21 and 45 and displaying a moderate level. The gender breakdown was 7 males and 8 females.


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. Data was collected during static standing and dynamic walking activities in both a shod and unshod condition.


e. Outcome measures: Independent two‐sample tests and repeated measures ANOVA using SPSS ver10 statistical software.


f. Results: A significant difference was observed for the Barefoot Walking condition at a P >0.05. In the static shod and walking shod there were definite trends shown in the reduction of planate surface area at p= 0.069 for the static and p=0.082 for the walking.


g. Conclusions: The results demonstrate that through the use of the BAREFOOTSCIENCE™ insole it is possible to create structural changes to the foot and in particular the plantar surface area. It is safe to also propose that said reductions in plantar surface area would be the result of changes to the arch system of the foot.


Although the structural changes can in theory be attributed to a combination of soft tissue and osseous factors it is highly logical that over such a short time period it is unlikely that any noticeable osseous remodelling would have occurred resulting in the structural changes observed. It is therefore logical and safe to conclude that the major contributor to the structural changes would be the strengthening and conditioning of the foot’s supporting musculature.


h. Discussion: Further research needs to be done in the field and the findings here should be correlated with those found by proponents of barefoot exercise to observe any commonality between the results of truly targeted foot exercising and the results attained through the use of insoles devices such as BAREFOOTSCIENCE™.



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