SMA (Spinal Muscular Atrophy): What It Is, Symptoms & Types
Spinal muscular atrophy (SMA) is a genetic condition that causes worsening muscle weakness. There are five subtypes, which range in severity and age of onset. There’s no cure for SMA, but certain therapies and medications can help manage symptoms.
Spinal muscular atrophy - Wikipedia
Spinal muscular atrophy (SMA) is a rare neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting. [3] [4] [5] It is usually diagnosed in infancy or early childhood and if left untreated it is the most common genetic cause of infant death. [6]
Spinal Muscular Atrophy: Causes, Symptoms, and Treatment
Apr 8, 2023 · Spinal muscular atrophy (SMA) most often affects babies and children and makes it hard for them to use their muscles. When your child has SMA, there's a breakdown of the nerve cells in the...
Spinal Muscular Atrophy (SMA) - Diseases - Muscular Dystrophy Association
What is spinal muscular atrophy? Spinal muscular atrophy (SMA) is a genetic disease affecting the central nervous system, peripheral nervous system, and voluntary muscle movement (skeletal muscle). Most of the nerve cells that control muscles are located in the spinal cord, which accounts for the word spinal in the name of the disease.
Spinal muscular atrophy (SMA) - NHS
Find out about spinal muscular atrophy (SMA) including the symptoms, types, causes, how it's diagnosed and the treatment and support available.
Spinal Muscular Atrophy (SMA): Types, Symptoms, Causes
Sep 20, 2023 · Spinal muscular atrophy (SMA) is a genetic disease that causes muscle weakness, making it difficult to stand, walk, move the arms and head, and even breathe or swallow. The symptoms are caused by a loss of nerve cells in the spinal cord and brain stem. It is a progressive motor neuron disease.
What is Spinal Muscular Atrophy (SMA) and Causes Muscle …
Spinal muscular atrophy (SMA) is a genetic disorder where muscles become weak and waste away. It happens when spinal cord nerve cells die, causing important muscles to become inactive. It is the most common genetic cause of death in infants. 1,2
Causes/Inheritance - Spinal Muscular Atrophy (SMA) - Diseases ...
What causes spinal muscular atrophy (SMA)? SMA is characterized by the loss of motor neurons, nerve cells in the spinal cord. It is classified as a motor neuron disease. Muscle-controlling nerve cells (motor neurons) are located mostly in the spinal cord. Long, wire-like projections connect the motor neurons to muscles in the limbs and trunk.
Spinal Muscular Atrophy - Rare Disease Advisor
Spinal muscular atrophy (SMA) is an autosomal recessive neurodegenerative disorder that leads to progressive weakness and loss of movement. SMA results from the degeneration of alpha motor neurons in the anterior horn of the spinal cord. 1,2 Common symptoms include symmetrical muscle weakness, hypotonia, and muscular atrophy, typically of the ...
Spinal Muscular Atrophy: Causes, Types, Symptoms, Diagnosis
Jan 23, 2020 · Spinal muscular atrophy (SMA) is a genetic disorder characterized by weakness in the muscles used to control movement (atrophy is a medical term for wasting away). This...