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Do corns affect the gait of a person

 

I believe a more germane question would be: "Why do some people develop corns while other people do not?"

The answer to that question is two-fold: foot mechanics and shoe construction.

Shoe construction

Wearing shoes that are poorly constructed (too narrow, pointed toes, ridged areas) can cause the formation of corns.

Foot mechanics

Altered foot mechanics (e.g., hyperpronation resulting from RFS or PCFD) is the most common cause of corns. Hyperpronation generates shear between the skin and inside surfaces of the shoe which can lead to corn formation. (Analogy: think of the calluses that develop on your hands from constant shear forces)

The more severe the altered foot mechanics, the higher the probability of developing corns.

 

To answer your question. Corns sometimes cause pain and pain alters how the person walks if they have sensation in their feet. Callus or corns are caused by high pressure. Callus build up can increase the pressure. High pressure causes the pain, not necessarily the callus.