Spinal muscular atrophy (SMA) is an inherited disease characterized by the selective death of motor neurons, resulting in generalized muscle weakness that is often fatal in infancy or early childhood. (smafoundation.org)
Abstract Actinopathies are genetically and clinically heterogeneous disorders mainly characterized by generalized muscle weakness. (inmg.fr)
Generalized muscle weakness due to myasthenia gravis may appear in some dogs as exercise intolerance that improves with rest. (thesprucepets.com)