File:Anatomy, descriptive and surgical (electronic resource) (1860) (14578239937).jpg

Identifier: b20386424 (find matches)
Title: Anatomy, descriptive and surgical (electronic resource)
Year: 1860 (1860s)
Authors: Gray, Henry, 1825-1861 Carter, H. V., ill Westmacott, John Guise, Dr, ill
Subjects: Anatomy
Publisher: London : J.W. Parker
Contributing Library: Wellcome Library
Digitizing Sponsor: Wellcome Library

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the upper one is joined about the twenty-fifth year. Attachment of Muscles. To the head, theBiceps, Soleus, and Peroneus longus: to theshaft, its anterior surface, the Extensor longusdigitorum, Peroneus tertius, and Extensor long-us poUicis: to the internal surface, the Soleus,Tibialis posticus, and Flexor longus pollicis: to the external surface, the Peroneuslongus and brevis. -Unites alout20^^^- THE FOOT. The Foot (figs. 113,114) is the terminal part of the inferior extremity; it servesto support the body in the erect posture, and is an important instrument of loco-motion. It consists of three divisions: the Tarsus, Metatarsus, and Phalanges. The Tarsus. The bones of the Tarsus are seven in number; viz., the calcaneum, or os calcis,astragalus, cuboid, scaphoid, internal, middle, and external, cuneiform bones. The Calcaneum. The Calcaneum, or Os Calcis, is the largest and strongest of the tarsal bones.It is irregularly cuboidal in form, and situated at the lower and back part of the
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140 OSTEOLOGY. foot, serving to transmit the weight of the body to the ground, and forming a stronglever for the muscles of the calf. It presents for examination six surfaces; supe-rior, inferior, external, internal, anterior, and posterior. The superior surface is formed behind, of the upper aspect of that part ofthe OS calcis which projects backwards to form the heel. It varies in lengthin different individuals; is convex from side to side, concave from before back-wards, and corresponds above to a mass of adipose substance placed in frontof the tendo Achillis. In the middle of this surface are two (sometimes three)articular facets, separated by a broad shallow groove, directed obliquely for-wards and outwards, and rough for the attachment of the interosseous ligamentconnecting the astragalus and os calcis. Of these two articular surfaces, theexternal is the larger, and situated on the body of the bone; it is of an oblongform, wider behind than in front, and convex from before backw

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