British medical journal . e with naturalarches, which arerecognized by en-gineers to be thestrongest in exist-ence. The hollowbony arches of thefoot give it the ne-cessar5 strengthand elasticity, and,in addition, protectdelicate structures(blood vessels andnerves), frompressure and in-jury. In man, the archof the foot wasevolved by: (<i) Development of a tonic and tetanic conditionof the muscles of the toe and the flexors. Q) The stiffening of the mid-tarsal joint. (<?) The approximation of the metatarsals 2, 3, 4, 5, tometatarsal 1, and not the opposite, as is usuallysupposed. From with
British medical journal . e with naturalarches, which arerecognized by en-gineers to be thestrongest in exist-ence. The hollowbony arches of thefoot give it the ne-cessar5 strengthand elasticity, and,in addition, protectdelicate structures(blood vessels andnerves), frompressure and in-jury. In man, the archof the foot wasevolved by: (<i) Development of a tonic and tetanic conditionof the muscles of the toe and the flexors. Q) The stiffening of the mid-tarsal joint. (<?) The approximation of the metatarsals 2, 3, 4, 5, tometatarsal 1, and not the opposite, as is usuallysupposed. From within outwards, the longitudinal arch is depcn-flent upon; (flj The way in which the bones are fitted together toform an arch. (I) The way in which the bones are held together byligaments, especially the inferior calcaneo scaphoidligament, suiiporting the head of the astragalus. Fig 2.—Diagram of the foot of anauthroiioid ape. Tbe beel is not bontso much, and nearly tbabranch ; mid-tarsal joiot 13 less 3,—Diagram of section of a foot Icn^ bones of longitudinal arch.
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectmedicine, bookyear185
