Shoes are one year old. The midsoles are medially compressed

When a proprioceptive insole is used in these shoes, the proprioceptive stimulation is distorted (e.g., increased foot twist).

Unstable/Unevenly Worn Shoes - Gait Analysis

Impact on Proprioceptive Signal

Unstable Shoes can distort the proprioceptive stimulation, which in turn, can increase the foot twist (See Animation Below)