Science that brings relief

A study (Protopapas et al., Clinical Biomechanics, 2020; n=18 young adults with flat feet) analysed the effect of rigid insoles on the intrinsic muscles of the foot. Result: weakening of the abductor hallucis muscle by up to 17% within 12 weeks. Muscles that maintain the arch of the foot and stability simply switch off when they receive passive support.

The hydraulic MEDICOVI Water Wave™ membrane reacts dynamically to load — it transfers pressure, stimulates nerve endings, and is designed to support muscle function with every step.

Traditional insoles keep your foot in a static position — Water Wave™ teaches it to work actively. Here's what happens with every step:

Step 1. The patented water-filled hydraulic membrane (US10413014B2) transfers pressure under your foot in real-time. When landing on your heel, water dynamically shifts towards the forefoot — and returns when pushing off.

Step 2. Mechanoreceptors in your foot register the change in pressure with every movement of the water. These receptors are your foot's natural keyboard — they send a signal to your brain about how you're standing, where you're pressing, and which way you're leaning.

Step 3. 29 intrinsic foot muscles activate on a signal from mechanoreceptors — the same muscles that rigid, fitted insoles can immobilise. A 2020 study (Protopapas et al., Clinical Biomechanics, 2020, n=18 young adults with flat feet) showed a weakening of up to 17% within 12 weeks.

Step 4. Even pressure distribution and active muscular stabilisation mean less strain on the plantar fascia, knees, and spine. This is the principle of Danish biomechanics – confirmed by 30 years of intensive research and rigorous clinical studies.

Prof. Pascal Madeleine, DSc, PhD, MSc BME — Danish Diabetes and Endocrine Academy

MEDICOVI Clinical Studies
Stroke rehabilitation (RCT) — BBS +2.2 vs +0.09, p=0.046 (Århus, n=25). Parkinson's disease — improved balance (Aalborg University).

Scientific Research
Rigid custom insoles: weakening of foot arch muscles by up to 17% within 12 weeks (Protopapas et al., Clinical Biomechanics, 2020, n=18). Custom vs. prefabricated insoles – no additional, proven benefits (Whittaker et al., BJSM 2018). Foot core system: intrinsic foot muscles (McKeon et al., BJSM 2015).

Water Wave™ technology is the result of 30 years of Danish biomechanical research, MEDICOVI's own rigorous clinical studies, and two patents. Every claim on this page is backed by a documented source.