Categories Health Days Spinal muscular atrophy is a genetic condition that causes muscle weakness and atrophy affecting a child’s ability to crawl, walk, sit up, and control head movements. adminPosted onAugust 17, 2021September 17, 2021 Spinal muscular atrophy is a genetic condition that causes muscle weakness and atrophy affecting a … Continue ReadingSpinal muscular atrophy is a genetic condition that causes muscle weakness and atrophy affecting a child’s ability to crawl, walk, sit up, and control head movements.