You may have seen signs such as this one indicating that high-heeled shoes are not allowed on certain walking surfaces because of the risk of injury. High heels affect a person’s balance, and wearers ...You may have seen signs such as this one indicating that high-heeled shoes are not allowed on certain walking surfaces because of the risk of injury. High heels affect a person’s balance, and wearers can easily twist their ankle on uneven or slippery surfaces, causing a sprain or even a fracture. Besides twisting an ankle, wearing high heels on a regular basis can cause a variety of other negative health consequences — some of which may be long-lasting.