Insole with Biofeedback Properties Produces Foot Shape Changes

Scholl PLC / University of Huddersfield: Impact of the Dynapro Insole on Foot Shape

 

Following is the third party data collection on foot arch characteristic changes resulting from the use of the BAREFOOTSCIENCE™ (aka Dynapro) insole system sanctioned by Scholl PLC and conducted at the University of Huddersfield in the UK. Within this Appendix you will find the results of the above noted data collection.

 

1) Foot Arch and Structural Changes Associated with BAREFOOTSCIENCE™ Usage

 

a. Objective: To observe hypothesiSed changes in foot arch characteristics 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=20 said to be living an active lifestyle.

 

d. Methods: Data was collected by taking 3 primary linear measures of the foot, the Foot Length, the Metatarsal Width and the Lateral Arch Width, along with a measure of the Valgus Index of the foot.

 

e. Outcome measures: Elementary data analysis to show primary outcomes of means, variance etc. was performed on the data collected.

 

f. Results: Definitive trends were shown in reducing the linear measures of foot length and width. Trends increasing the value of the valgus index were also demonstrated.

 

                                              week 0    week 3    week 8    % diff
  Foot length (cm)                   25.048     25.003      24.939     -0.4352%
  Metatarsal Width (cm)           8.93         8.895       8.732      -2.2172%
  Lateral Arch Length (cm)       3.52         3.438       3.371      -4.2330%
  Valgus Index                         4.713       4.906       4.856       3.0342%

 

g. Conclusions: The results indicate that through the use of the BAREFOOTSCIENCE™ insole it is possible to create changes in the foot shape. The reductions in the length and width of the foot’s main measures can be logically linked to a increase in height of the foot’s arch complex involving the interplay between the lateral, medial and transverse arches.

 

h. Discussion: The foot types commonly attributed to higher arch characteristics (pes cavus) are considered by those skilled in art of foot health and foot diagnoses to more stable and less prone to, or characteristic of, a “pronated” (pes planus) foot. The trends shown here in the reduction of these pes planus foot characteristics may possibly be linked to reductions in the pain, discomfort and pathologies considered to be more common to those with pes planus attributes than those with pes cavus attributes.

 

*The Dynapro Insole was manufactured to the specification outlined in US Patent 5,404,659.

 

 

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