The disease of metatarsalgia under consideration may be described as a painful affection of the plantar digital nerves, directly caused by pressure upon or pinching of them or of their articular branches by certain portions of the metatarso-phalangeal articulations – especially the fourth. https://www.podiatrybooks.co.nz/review/metatarsalgia-mortons-painful-affection-of-the-foot/