The triumphant event in the study of chronic infantile paralysis is the change in the minds of the profession toward a more favorable prognosis. Whereas only a decade ago the accepted verdict was that "muscles which do not recover in the first weeks or months usually remain paralyzed for a whole life time" (Strümpell), now the belief is that "treatment faithfully and persistently continued is frequently rewarded by the return of power and usefulness in the atrophied and helpless limb" (Young).
Coupled with this change is the growing confidence in the simpler forms of treatment for this disease. For instance, it has but recently dawned on orthopedists that in tendon transplantation the benefits derived were due to the persistency of the after-treatment rather than to the substitution of a healthy tendon for a degenerated one. In the Hospital for Deformities and Joint Diseases of the City of New York, where