Plantar neuralgia : (metatarsalgia, Morton's painful affection of the foot) / by Robert Jones.

  • Jones, Robert, 1857-1933.
Date:
1897
Catalogue details

Licence: Public Domain Mark

Credit: Plantar neuralgia : (metatarsalgia, Morton's painful affection of the foot) / by Robert Jones. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    bones. The fourth has greater mobility, the fifth still more than the fourth, and in this respect resembles the fifth meta- carpal. Lateral pressure brings the head of the fifth metatarsal and the phalanx of the little toe into direct contact with the head and neck of the fourth metatarsal, and to some extent the extremity of the fifth metatarsal rolls above or under the fourth metatarsal. The mechanism of the affection, Morton asserts, becomes apparent when the nerve supply of the parts is Fio. 1.—Diagram of frozen section, showing that there is most space between the metatarsals of 4tli and 5tli. considered. The branches of the external plantar nerve aie fully distributed to the little toe and to the outer side of the fourth : there are also numerous branches of this nerve deeply lodged in between these toes, and they are liable, Morton argues,. not only to be unduly compressed, but pinched by a sudden twist of the anterior part of the foot. Any foot move- ment which may suddenly displace the toes when confined in