An American text-book of the diseases of childrenIncluding special chapters on essential surgical subjects; orthopaedics, diseases of the eye, ear, nose, and throat; diseases of the skin; and on the diet, hygiene, and general management of children . Anterior Leg Type, with Drop-foot. 792 AMERICAN TEXT-BOOK OF DISEASES OF CHILDREN. cells making up a part of their arc. Bones which have not attained their fullgrowth are retarded or fail entirely to develop if their trophic centres areimplicated. The seriously atrophied muscles become unyielding fibrous bands ; and sincethey offer to the synergic
An American text-book of the diseases of childrenIncluding special chapters on essential surgical subjects; orthopaedics, diseases of the eye, ear, nose, and throat; diseases of the skin; and on the diet, hygiene, and general management of children . Anterior Leg Type, with Drop-foot. 792 AMERICAN TEXT-BOOK OF DISEASES OF CHILDREN. cells making up a part of their arc. Bones which have not attained their fullgrowth are retarded or fail entirely to develop if their trophic centres areimplicated. The seriously atrophied muscles become unyielding fibrous bands ; and sincethey offer to the synergic and antergic muscles neither assistance nor opposition, Fig. Shoulder and Arm Type (Kindness of Drs. Ridlon and Jones). distortions soon develop with joint-changes and sometimes subluxations. Jointswhich depend upon muscular support, as the shoulder, may allow of so muchdeformity by the relaxation of the muscles which have lost their tonicity thatthe articular surfaces widely separate. The skin is inactive, often cold, andsometimes dry and scaly, but the atrophic conditions so usual in neuritis arepractically absent, and bed-sores are almost unknown. The distribution of the permanent paralysis and wasting is characterized bynon-conformity to any type, and the resulting deformities are therefore of allgrades and descriptions. The lower extremities are affected about three timesas frequently as the upper, and the left leg twice as often as the right. Acrossed form, in which the upper extremity on one side is involved with theopposite lower limb, is not rare; but involvement of both limbs on the same ACUTE ANTERIOR POLIOMYELITIS. 793 side is extre
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