Vern, a 65-year-old male, was diagnosed with amyotrophic lateral sclerosis (ALS), or Lou Gehrig's disease. This disease damages the upper and lower motor neurons, eventually preventing neural signals from reaching the muscles. In response to the lack of signaling, the muscles become weaker and smaller.
a) Muscle hypertrophy
b) Muscular dystrophy
c) Muscle atrophy
d) Myasthenia gravis