Most cases historically labeled as "amyotonia congenita" are now recognized as Spinal Muscular Atrophy Type 1 (Werdnig-Hoffmann disease). 2. Common Causes
Infants with amyotonia often appear limp, have difficulty holding their heads up, and may show a "frog-leg" posture when lying on their backs. amyotonia
Below is a guide to understanding the condition, its modern classifications, and management. 1. Understanding the Condition Most cases historically labeled as "amyotonia congenita" are