January 08, 2020
According to the National Institutes of Health:
"Spinal muscular atrophy is a genetic disorder characterized by weakness and wasting (atrophy) in muscles used for movement (skeletal muscles). It is caused by a loss of specialized nerve cells, called motor neurons that control muscle movement. The weakness tends to be more severe in the muscles that are close to the center of the body (proximal) compared to muscles away from the body's center (distal)."
Are you familiar with the the most common form of spinal muscular atrophy? Test yourself below: