Transfer the Ground Composition to the Sole of the Foot for Mechanostimulation

NewsBot · Jun 30, 2022

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A new shoe sole technology that transfers the ground composition to the sole of the foot : a user experience evaluation
Sommer, Bettina et al
XXVIII Congress of the International Society of Biomechanics, online, 25-29 July 2021

Introduction: Neither comfortable, shock-absorbing shoes nor minimal shoes do stimulate the mechanoreceptors of the sole of the foot. This lack of stimulation leads to worse proprioception, poor posture and risk of injuries [1] A new sole technology is introduced, which transfers the ground composition to the sole of the foot and may provide enough stability through an integrated footbed (Figure1).

Methods: The stimuli transmitting shoe sole technology is performed mechanically. The shoe sole consists of hard plastic balls, which are pushed towards the sole of the foot due to uneven surfaces (Figure2). This technologies’ user experience was evaluated. The tests consisted of a two-week user study that evaluated three shoe sole in daily life as well as a one-hour monitored parcourse evaluating the shoe sole on specific grounds.
All participants were healthy with shoe size EU38-43. The user study included 20 participants (Ø 64 years). Additionally, 10 persons (Ø 41 years) participated in the parcourse. Questionnaires covered intensity of sensory transmission, general walking comfort and complaints and the effect of the ground composition on comfort. Answering options were on a Likert scale as well as open questions.

Results & Discussion
Intensity: Most of the participants rated the stimulus transmission as very or rather strong. Nobody rated it as very weak. In the parcourse, the strongest sensation was on coarse stones and pavement transitions, followed by the forest floor (Figure3).
Comfort & complaints: The majority perceived the shoe sole as very or rather comfortable. Participants perceived the stimuli strongest in the forefoot, where also most of the complaints occurred. The complaints were reported as tired feet, pain, pressure and burning feet, and occurred roughly every third day.

Conclusions: All participants perceived the stimuli transmission of the shoe sole. However, the product polarizes. While some considered the stimuli as comfortable, others found them too strong. The forefoot was the part with the strongest stimuli sensation, but also with the most complaints.
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NewsBot · Jun 30, 2022

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Attached Files:

2021_Sommer-etal_New-shoe-sole-technology_Poster.pdf

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