Chafing, blisters and sores are common problems for people fitted with an artificial limb. The artificial limb's fixed, rigid shape can't adapt to changes in a person's body, ultimately causing it to rub against a person's residual limb. Advertisement "Ultimately, no matter how sophisticated the limb itself is, if it cannot connect closely and comfortably with the human body, it becomes unwearable," researcher Firat Guder , a reader in intelligent interfaces in the Department of Bioengineering