Yes, there are diseases that target the muscular system. The one most people are familiar with is MD, muscular dystrophy. Another one is actually a nervous system disorder but if affects the muscles and that is Lou Gehrig's disease.
Lou Say died June 5, 1930, in Fallston, MD, USA.
Lou Sleater died March 25, 2013, in Timonium, MD, USA.
Lou Thuman died December 19, 2000, in Baltimore, MD, USA.
Lou Say was born February 4, 1854, in Baltimore, MD, USA.
Lou Thuman was born December 13, 1916, in Baltimore, MD, USA.
Lou Grasmick was born September 11, 1924, in Baltimore, MD, USA.
There are lots of conditions associated with symptoms of muscle weakening, including multiple sclerosis, polio, amyotrophic lateral sclerosis, myasthenia gravis, and nerve trauma. Are you thinking about one in particular?
a rheumatologist is a doctor who specializes in this disease as where a regular MD is not a specialist
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A allopathic physician is a MD that treats disease and injury using counteractive methods.
Clearly, it should be assessed and diagnosed by an MD who is a specialist in conditions and diseases of the ear.